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• Amusing or Sad? Network Solutions

  - by dbasnett

  When I got sick my email ended up in every drug sellers email list. Some days I get over 200 emails selling everything from Viagra to Xanax. Either they don't know what my condition is or they are telling me you are a goner, might as well chill-ax and have a good time. In order to cut down on the mail being downloaded I thought I would add all of the Junk email senders from Outlook to my Network Solution mail server. Much to my amazement I could not find that import Spammers button, so I submitted a tech support request. Here is the response: Thank you for contacting Network Solutions Customer Service Department. We are committed to creating the best Customer experience possible. One of the first ways we can demonstrate our commitment to this goal is to quickly and efficiently handle your recent request. We apologize for any inconvenience this might have caused you. With regard to your concern, please be advised that we cannot import blocked senders in to you e-mail servers. An alternative option is for you to create a Custom Filter that filters unwanted e-mails. To create a Custom Filter: Open a Web browser (e.g., Netscape, Microsoft Internet Explorer, etc.). Type mail.[domain name].[ext] in the address line. Login to your Network Solutions email account. Click on the Configuration left menu tab. Click on the Custom Filter link. Type the rule name. blah, blah, blah Basically add them one at a time. "We are committed to creating the best Customer experience possible." No you are not. You are trying to squeeze every nickle you can out of me. "With regard to your concern, please be advised that we cannot import blocked senders in to you e-mail servers." Maybe I should apply for a job to write those ten complicated lines of code... Maybe I should question my choice of vendors, because if they truly "cannot" then they are to stupid to have my business. It is both amusing and sad. I'll be posting this in every forum I am a member of.

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• How to resolve "HTTP/1.1 403 Forbidden" errors from iCal/CalDAV server after upgrade to Snow Leopard Server?

  - by morgant

  We recently upgraded our Open Directory Master & Replica to Mac OS X 10.6.4 Snow Leopard Server. We had a mismatched server FQDN & LDAP Search Base/Kerberos Realm, so we exported all users & groups, created the new Open Directory Master w/matching FQDN & Search Base/Realm, reimported users & groups, and re-bound all servers & workstations to the new OD Master. At the same time as all of this, we upgraded our iCal/CalDAV server to Mac OS X 10.6.4 Snow Leopard Server. Ever since doing so, we've seen the following issues with our iCal/CalDAV server and iCal clients on both Mac OS X 10.5 Leopard & Mac OS X 10.6: If a user attempts to move or delete an event (single or repeating) that was created prior to the upgrade to 10.6 Server, they get the following error: Access to "blah" in "blah" in account "blah" is not permitted. The server responded: "HTTP/1.1 403 Forbidden" to operation CalDAVWriteEntityQueueableOperation. New users added to the directory get the following error when attempting to add their account to in iCal's preferences: The user "blah" has no configured pricipals. Confirm with your network administrator that your account has at least one CalDAV principal configured. Interestingly, we've since discovered that users seem to be able to delete individual events from an old repeating event without error, but that's a massive amount of work to get rid of a repeating event. I will note that we have not yet added an SRV record in DNS as instructed on page 19 of iCal_Server_Admin_v10.6.pdf. Further Investigation: In this particular case, a user is attempting to decline repeating events created prior to the upgrade to Snow Leopard Server. Granting the user full write access with sudo calendarserver_manage_principals --add-write-proxy users:user1 users:user2 (which did work) doesn't allow deletion of the events. Still get the usual error: Access to "blah blah" in "blah blah" in account "blah blah" is not permitted. The server responded: "HTTP/1.1 403 Forbidden" to operation CalDAVWriteEntityQueueableOperation. The error that shows up in /var/log/caldavd/error.log on the iCal Server when attempting to delete one of the events is: 2011-03-17 15:14:30-0400 [-] [caldav-8009] [PooledMemCacheProtocol,client] [twistedcaldav.extensions#info] PUT /calendars/__uids__/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/calendar/XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX.ics HTTP/1.1 2011-03-17 15:14:30-0400 [-] [caldav-8009] [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.implicit#error] Cannot change ORGANIZER: UID:XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX And the error in /var/log/system.log on the client is: Mar 17 15:14:30 192-168-21-169-dhcp iCal[33509]: CalDAV CalDAVWriteEntityQueueableOperation failed: status 'HTTP/1.1 403 Forbidden' request:\n\nBEGIN:VCALENDAR^M\nVERSION:2.0^M\nPRODID:-//Apple Inc.//iCal 3.0//EN^M\nCALSCALE:GREGORIAN^M\nBEGIN:VTIMEZONE^M\nTZID:US/Eastern^M\nBEGIN:DAYLIGHT^M\nTZOFFSETFROM:-0500^M\nTZOFFSETTO:-0400^M\nDTSTART:20070311T020000^M\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU^M\nTZNAME:EDT^M\nEND:DAYLIGHT^M\nBEGIN:STANDARD^M\nTZOFFSETFROM:-0400^M\nTZOFFSETTO:-0500^M\nDTSTART:20071104T020000^M\nRRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU^M\nTZNAME:EST^M\nEND:STANDARD^M\nEND:VTIMEZONE^M\nBEGIN:VEVENT^M\nSEQUENCE:5^M\nDTSTART;TZID=US/Eastern:20090117T094500^M\nDTSTAMP:20081227T143043Z^M\nSUMMARY:blah blah^M\nATTENDEE;CN="First Last";CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT:urn:uuid^M\n :XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX^M\nATTENDEE;CN="First Last";CUTYPE=INDIVIDUAL;PARTSTAT=ACCEPTED:mailto:user@d^M\n omain.tld^M\nEXDATE;TZID=US/Eastern:20110319T094500^M\nDTEND;TZID=US/Eastern:20090117T183000^M\nRRULE:FREQ=WEEKLY;INTERVAL=1^M\nTRANSP:OPAQUE^M\nUID:XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX^M\nORGANIZER;CN="First Last":mailto:[email protected]^M\nX-WR-ITIPSTATUSML:UNCLEAN^M\nCREATED:20110317T191348Z^M\nEND:VEVENT^M\nEND:VCALENDAR^M\n\n\n... response:\nHTTP/1.1 403 Forbidden^M\nDate: Thu, 17 Mar 2011 19:14:30 GMT^M\nDav: 1, access-control, calendar-access, calendar-schedule, calendar-auto-schedule, calendar-availability, inbox-availability, calendar-proxy, calendarserver-private-events, calendarserver-private-comments, calendarserver-principal-property-search^M\nContent-Type: text/xml^M\nContent-Length: 134^M\nServer: Twisted/8.2.0 TwistedWeb/8.2.0 TwistedCalDAV/2.5 (iCal Server v12.56.21)^M\n^M\n<?xml version='1.0' encoding='UTF-8'?><error xmlns='DAV:'>^M\n <valid-attendee-change xmlns='urn:ietf:params:xml:ns:caldav'/>^M\n</error> One thing I have noticed, and I'm not sure if this has any real effect is that in many of these pre-Snow Leopard Server migration events, the ORGANIZER is specified like the following: ORGANIZER;CN=First Last:mailto:[email protected] But newer ones are more like one of the two following: ORGANIZER;CN=First Last;[email protected];SCHEDULE-STATUS=1 ORGANIZER;CN=First Last;[email protected]:urn:uuid:XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX iCal_Server_Admin_v10.6.pdf notes that the ".db.sqlite" files are completely disposable, they're merely a performance cache and are re-built on the fly, so are safe to delete. I did delete the one for the organizer's calendars and it took longer to process the attempted event delete while it rebuilt the database, but still errored out in the end. FWIW the error is thrown by this code: https://trac.calendarserver.org/browser/CalendarServer/trunk/twistedcaldav/scheduling/implicit.py Any further suggestions? I see lots of questions about this in my Google searches, but not solutions and this is a widespread problem on our iCal Server. Now, we mostly try to get users to ignore them (hence the amount of time this question has been open), but every now and then I dig in deeper trying to find the culprit and/or solution.

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• Using PHP's IMAP library triggers Kaspersky's Antivirus

  - by TMG

  Hello, I just started today working with PHP's IMAP library, and while imap_fetchbody or imap_body are called, it is triggering my Kaspersky antivirus. The viruses are Trojan.Win32.Agent.dmyq and Trojan.Win32.FraudPack.aoda. I am running this off a local development machine with XAMPP and Kaspersky AV. Now, I am sure there are viruses there since there is spam in the box (who doesn't need a some viagra or vicodin these days?). And I know that since the raw body includes attachments and different mime-types, bad stuff can be in the body. So my question is: are there any risks using these libraries? I am assuming that the IMAP functions are retrieving the body, caching it to disk/memory and the AV scanning it sees the data. Is that correct? Are there any known security concerns using this library (I couldn't find any)? Does it clean up cached message parts perfectly or might viral files be sitting somewhere? Is there a better way to get plain text out of the body than this? Right now I am using the following code (credit to Kevin Steffer): function get_mime_type(&$structure) { $primary_mime_type = array("TEXT", "MULTIPART","MESSAGE", "APPLICATION", "AUDIO","IMAGE", "VIDEO", "OTHER"); if($structure->subtype) { return $primary_mime_type[(int) $structure->type] . '/' .$structure->subtype; } return "TEXT/PLAIN"; } function get_part($stream, $msg_number, $mime_type, $structure = false, $part_number = false) { if(!$structure) { $structure = imap_fetchstructure($stream, $msg_number); } if($structure) { if($mime_type == get_mime_type($structure)) { if(!$part_number) { $part_number = "1"; } $text = imap_fetchbody($stream, $msg_number, $part_number); if($structure->encoding == 3) { return imap_base64($text); } else if($structure->encoding == 4) { return imap_qprint($text); } else { return $text; } } if($structure->type == 1) /* multipart */ { while(list($index, $sub_structure) = each($structure->parts)) { if($part_number) { $prefix = $part_number . '.'; } $data = get_part($stream, $msg_number, $mime_type, $sub_structure,$prefix . ($index + 1)); if($data) { return $data; } } // END OF WHILE } // END OF MULTIPART } // END OF STRUTURE return false; } // END OF FUNCTION $connection = imap_open($server, $login, $password); $count = imap_num_msg($connection); for($i = 1; $i <= $count; $i++) { $header = imap_headerinfo($connection, $i); $from = $header->fromaddress; $to = $header->toaddress; $subject = $header->subject; $date = $header->date; $body = get_part($connection, $i, "TEXT/PLAIN"); }

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• jQuery .ajax call to bit.ly returns results in IE but not FF or Chrome

  - by Ian Quigley

  I am trying to call to the bit.ly URL shortening service using jQuery with an .ajax call. <html><head> <script type="text/javascript" src="http://www.twipler.com/settings/scripts/jquery.1.4.min.js"></script> <script type="text/javascript"> jQuery.fn.shorten = function(url) { var resultUrl = url; $.ajax( { url: "http://api.bit.ly/shorten?version=2.0.1&login=twipler&apiKey=R_4e618e42fadbb802cf95c6c2dbab3763&longUrl=" + url, async: false, dataType: 'json', data: "", type: "GET", success: function (json) { resultUrl = json.results[url].shortUrl; } }); return resultUrl; } ; </script></head><body> <a href="#" onclick="alert($().shorten('http://amiconnectedtotheinternet.com'));"> Shorten</a> </body> </html> This works in IE8 but does not work in FireFox (3.5.9) nor in Chrome. In both cases 'json' is null. Headers in IE8 GET http://api.bit.ly/shorten?ver..[SNIP]..dtotheinternet.com HTTP/1.1 Accept: application/json, text/javascript, */* Accept-Language: en-US Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; Media Center PC 6.0; InfoPath.2; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30729) Host: api.bit.ly Connection: Keep-Alive Headers in Chrome GET http://api.bit.ly/shorten?versio..[SNIP]..nectedtotheinternet.com HTTP/1.1 Host: api.bit.ly Connection: keep-alive User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1045 Safari/532.5 Origin: file:// Accept: application/json, text/javascript, */* Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 So the only obvious difference is that Chrome is sending "Origin: file://" and I've no idea how to stop it doing that.

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• Cube project doesn't work because of permissions

  - by sms

  I'm doing "Multidimensional Project" with MS SQL Server 2012 (Server Data Tools - Visual Studio 2010 Shell). I can't run (debug) it. If the data source's impersonation information is set to "use the service account", this error occures: Error 2 Internal error: The operation terminated unsuccessfully. 0 0 Error 3 OLE DB error: OLE DB or ODBC error: Login failed for user 'NT Service\MSSQLServerOLAPService'.; 28000. 0 0 Error 4 Errors in the high-level relational engine. A connection could not be made to the data source with the DataSourceID of 'Data Warehouse', Name of 'Data Warehouse'. 0 0 Error 5 Errors in the OLAP storage engine: An error occurred while the dimension, with the ID of 'Items', Name of 'Items' was being processed. 0 0 Error 6 Errors in the OLAP storage engine: An error occurred while the 'Id' attribute of the 'Items' dimension from the 'Warehouse_MultidimensionalProject_Cube' database was being processed. 0 0 Error 7 Server: The current operation was cancelled because another operation in the transaction failed. 0 0 I guessed that this account has no premissions but (1) I coudn't even add this account (it seems that it doesn't exist) and (2) how is that even possible for it to not have built-it poremissions? When I'm setting impersonation to "use the credentials of current user" (which is the owner of the data source, btw.), another error occures: Error 2 Internal error: The operation terminated unsuccessfully. 0 0 Error 3 The datasource, 'Data Warehouse', contains an ImpersonationMode that is not supported for processing operations. 0 0 Error 4 Errors in the high-level relational engine. A connection could not be made to the data source with the DataSourceID of 'Data Warehouse', Name of 'Data Warehouse'. 0 0 Error 5 Errors in the OLAP storage engine: An error occurred while the dimension, with the ID of 'Items', Name of 'Items' was being processed. 0 0 Error 6 Errors in the OLAP storage engine: An error occurred while the 'Id' attribute of the 'Items' dimension from the 'Warehouse_MultidimensionalProject_Cube' database was being processed. 0 0 Error 7 Server: The current operation was cancelled because another operation in the transaction failed. 0 0 Any help?

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• MySQL-problem when baking with CakePHP.

  - by timkl

  I am currently reading "Beginning CakePHP:From Novice to Professional" by David Golding. At one point I have to use the CLI-command "cake bake", I get the welcome-screen but when I try to bake e.g. a Controller I get the following error messages: Warning: mysql_connect(): Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (2) in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 117 Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 122 Warning: mysql_get_server_info(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 130 Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 154 Error: Your database does not have any tables. I suspect that the error-messages has to do with php trying to access the wrong mysql-socket, namely the default osx mysql-socket - instead of the one that MAMP uses. Hence I change my database configurations to connect to the UNIX mysql-socket (:/Applications/MAMP/tmp/mysql/mysql.sock): class DATABASE_CONFIG { var $default = array( 'driver' => 'mysql', 'connect' => 'mysql_connect', 'persistent' => false, 'host' =>':/Applications/MAMP/tmp/mysql/mysql.sock', // UNIX MySQL-socket 'login' => 'my_user', 'password' => 'my_pass', 'database' => 'blog', 'prefix' => '', ); } But I get the same error-messages with the new socket: Warning: mysql_connect(): Can't connect to local MySQL server through socket '/Applications/MAMP/tmp/mysql/mysql.sock:3306' (2) in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 117 Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 122 Warning: mysql_get_server_info(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 130 Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /Applications/MAMP/htdocs/blog/cake/libs/model/datasources/dbo/dbo_mysql.php on line 154 Error: Your database does not have any tables. Also, even though I use the UNIX-socket that MAMP show on it's welcome-screen, CakePHP loses the database-connection, when using this socket instead of localhost. Any ideas on how I can get bake to work?

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• Can't launch Oneiric x64 instance on Eucalyptus

  - by Bruno Reis

  EDIT: after many hours, I've found out that the problem has nothing to do with Eucalyptus. It looks like the image is buggy. Very, very buggy. More details in the end. I didn't manage to fix it, and I will file a bug. EDIT 2: I managed to fix it, it apparently works. I have a 4-machine cluster running Ubuntu Server Natty (11.04) x64. I've installed "Ubuntu Enterprise Cloud" from the installtion CD (then updated it) on each of these machines. The cloud seems to work fine, I have lots of virtual machines running Natty servers on them. Now I'd like to run Oneiric in a virtual machine, but somehow I can't. I downloaded Oneiric's (x64) image from http://cloud-images.ubuntu.com/oneiric/current/, published it (uec-publish-tarball oneiric-server-cloudimg-amd64.tar.gz oneiric-server-cloudimg-amd64) exactly as I did with Natty, then tried to launch an instance (euca-run-instances -n 1 -k my-key -t m1.small -z my-cloud emi-XXXXXXXX) using Oneiric's image, but the instance is not able to boot. With euca-get-console-output I get the following: [ 0.461269] VFS: Cannot open root device "sda1" or unknown-block(0,0) [ 0.462388] Please append a correct "root=" boot option; here are the available partitions: [ 0.463855] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0.465331] Pid: 1, comm: swapper Not tainted 3.0.0-13-generic #22-Ubuntu [ 0.466526] Call Trace: [ 0.466989] [<ffffffff815d3ee5>] panic+0x91/0x194 [ 0.467860] [<ffffffff81ad1031>] mount_block_root+0xdc/0x18e [ 0.468891] [<ffffffff81ad126a>] mount_root+0x54/0x59 [ 0.469829] [<ffffffff81ad13dc>] prepare_namespace+0x16d/0x1a7 [ 0.470883] [<ffffffff81ad0d76>] kernel_init+0x140/0x145 [ 0.471837] [<ffffffff815f38e4>] kernel_thread_helper+0x4/0x10 [ 0.472889] [<ffffffff81ad0c36>] ? start_kernel+0x3df/0x3df [ 0.473884] [<ffffffff815f38e0>] ? gs_change+0x13/0x13 The filesystem is labeled "cloudimg-rootfs", inside the image both /etc/fstab and /boot/grub/grub.cfg always refer to the image by the label, everything seems to be correct, yet the kernel says it can't find the root file system. I've spent many hours googling, but nothing came out. I've asked on #ubuntu-server, but nobody knew what to do. I've asked on #eucalyptus but got no answer at all. Any ideas on why this is happening and how to solve it? Thanks EDIT: after many hours, I've found out that the problem has nothing to do with Eucalyptus. It looks like the image is buggy. Very, very buggy. The first problem is that the Kernel in the image is a -generic kernel, while I suppose it should be a -virtual one. I chrooted into the image, removed the -generic packages, replaced it with the -virtual ones. Then I extracted the new kernel (and replaced the original one (-generic) that came with the tarball) because I need it when I publish and launch an image with Eucalyptus. The problem described above was solved. But then, the console started showing this: mount: mount point ext4 does not exist If you check the /etc/fstab file in the image, it says: LABEL=cloudimg-rootfs ext4 defaults 0 1 Damnt, where's my mount point? Note that it is missing /proc as well. Well, when you think it is over, you will notice that your instance will have no network connectivity. Let's check /etc/network/interface: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback Oh my! It is missing eth0... here I stopped. I can't take no more. I give up. Looks like Canonical has just forgotten to properly set up this image. At first, I though: "have I downloaded a server image by mistake?", but no, I double checked. It is really the cloud image, it has even "cloud-init" installed (which is not, by default, on server images). They just forgot to prepare it. I will file a bug (and reference it here once this is done), and hope they fix it soon! EDIT 2: it looks like the network configuration was the last thing missing. I decided to test it with the fixes above, and it booted properly! However, I haven't got the slightest idea if the image is now good to go...

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• Alternatives to requiring users to register for an account?

  - by jamieb

  I'm working on a side project to build a new web app idea of mine. For the sake of discussion, let's say this app displays a random photograph of a famous work of art. On a scale of 1 to 5, users are asked to rate how well they like each piece of art, and then are shown the next photo. Eventually, the app is able to get an sense of the person's style and is able to recommend artwork that he/she may find pleasing. The whole concept is similar to Netflix. I understand how to do all the preference matching logic (although not as sophisticated as Netflix). But I'd like to find a way to do this without requiring that users create an account first. This is a novelty website that a typical user might use only a handful of times. Requiring registration is overkill and will likely drastically reduce it's utility. I'd like to allow people to begin rating artwork within five seconds of their initial pageview, yet maintain the integrity of the voting (since recommendations are predicated on how other people have rated the various pieces of artwork). Can it be done? Some ideas: OpenID. The perfect solution except for the fact that it's not wildly used and my target audience isn't the most technically adept demographic. Text message. User inputs phone number and is texted a four digit code to key into the web app. Quick, easy, and great way to limit abuse. However, privacy concerns abound... people are probably even less likely to give me their phone number than their email address. Facebook login. I personally don't have a Facebook account due to privacy concerns. And I'd really hate to support such a proprietary platform. Hash code/Bookmark. Vistor's initial pageview generates a 5 or 6 digit alphanumeric code that is embedded in each subsequent URL. They can bookmark any page to save their state. Good: Very simple system that doesn't require any user action. Bad: Very easy to stuff the ballot box, might be difficult to account for users sharing the link containing their ID code via email or social networking sites.

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• SSH not working over IPSec tunnel (Strongswan)

  - by PattPatel

  I configured a small network on a cloud virtual machine. This virtual machine has a static IP address assigned to eth0 interface that I'll call $EXTIP. mydomain.com points to $EXTIP. Inside, I have some linux containers, that get their ip through DHCP in the Subnet 10.0.0.0/24 (i called the virtual interface nat ). They run some services that can be reached through DNAT. Then I wanted to connect to these containers through an IPSec tunnel, so I configured StrongSwan. ipsec.conf: conn %default dpdaction=none rekey=no conn remote keyexchange=ikev2 ike=######## left=[$EXTIP] leftsubnet=10.0.1.0/24,10.0.0.0/24 leftauth=pubkey lefthostaccess=yes leftcert=########.pem leftfirewall=yes leftid="#########" right=%any rightsourceip=10.0.1.0/24 rightauth=######## rightid=%any rightsendcert=never eap_identity=%any auto=add type=tunnel Everything works fine, IPSec clients get IPs of the 10.0.1.0/24 subnet and can reach the containers subnet. My problem is that I'm not able to get SSH connections over the tunnel. It simply does not work, ssh client does not produce any output. Sniffing with tcpdump gives: tcpdump: 09:50:29.648206 ARP, Request who-has 10.0.0.1 tell mydomain.com, length 28 09:50:29.648246 ARP, Reply 10.0.0.1 is-at 00:ff:aa:00:00:01 (oui Unknown), length 28 09:50:29.648253 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [S], seq 4007849772, win 29200, options [mss 1460,sackOK,TS val 1151153 ecr 0,nop,wscale 7], length 0 09:50:29.648296 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [S.], seq 2809522632, ack 4007849773, win 14480, options [mss 1460,sackOK,TS val 11482992 ecr 1151153,nop,wscale 6], length 0 09:50:29.677225 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [.], ack 2809522633, win 229, options [nop,nop,TS val 1151162 ecr 11482992], length 0 09:50:29.679370 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [P.], seq 0:23, ack 1, win 229, options [nop,nop,TS val 1151162 ecr 11482992], length 23 09:50:29.679403 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [.], ack 24, win 227, options [nop,nop,TS val 11483002 ecr 1151162], length 0 09:50:29.684337 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [P.], seq 1:32, ack 24, win 227, options [nop,nop,TS val 11483003 ecr 1151162], length 31 09:50:29.685471 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [.], seq 32:1480, ack 24, win 227, options [nop,nop,TS val 11483003 ecr 1151162], length 1448 09:50:29.685519 IP mydomain.com > 10.0.0.1: ICMP mydomain.com unreachable - need to frag (mtu 1422), length 556 09:50:29.685567 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [.], seq 32:1402, ack 24, win 227, options [nop,nop,TS val 11483003 ecr 1151162], length 1370 09:50:29.685572 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [.], seq 1402:1480, ack 24, win 227, options [nop,nop,TS val 11483003 ecr 1151162], length 78 09:50:29.714601 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [.], ack 32, win 229, options [nop,nop,TS val 1151173 ecr 11483003], length 0 09:50:29.714642 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [P.], seq 1480:1600, ack 24, win 227, options [nop,nop,TS val 11483012 ecr 1151173], length 120 09:50:29.723649 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [P.], seq 1393:1959, ack 32, win 229, options [nop,nop,TS val 1151174 ecr 11483003], length 566 09:50:29.723677 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [.], ack 24, win 227, options [nop,nop,TS val 11483015 ecr 1151173,nop,nop,sack 1 {1394:1960}], length 0 09:50:29.725688 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [.], ack 1480, win 251, options [nop,nop,TS val 1151177 ecr 11483003], length 0 09:50:29.952394 IP 10.0.0.1.ssh > 10.0.1.2.54869: Flags [P.], seq 1480:1600, ack 24, win 227, options [nop,nop,TS val 11483084 ecr 1151173,nop,nop,sack 1 {1394:1960}], length 120 09:50:29.981056 IP mydomain.com.54869 > 10.0.0.1.ssh: Flags [.], ack 1600, win 251, options [nop,nop,TS val 1151253 ecr 11483084,nop,nop,sack 1 {1480:1600}], length 0 If you need it this is my iptables configuration file: iptables: *filter :INPUT ACCEPT [144:9669] :FORWARD DROP [0:0] :OUTPUT ACCEPT [97:15649] :interfacce-trusted - [0:0] :porte-trusted - [0:0] -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A FORWARD -j interfacce-trusted -A FORWARD -j porte-trusted -A FORWARD -j REJECT --reject-with icmp-host-unreachable -A FORWARD -d 10.0.0.1/32 -p tcp -m tcp --dport 80 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT -A FORWARD -d 10.0.0.1/32 -p tcp -m tcp --dport 443 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT -A FORWARD -d 10.0.0.3/32 -p tcp -m tcp --dport 1234 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT -A interfacce-trusted -i nat -j ACCEPT -A porte-trusted -d 10.0.0.1/32 -p tcp -m tcp --dport 80 -j ACCEPT -A porte-trusted -d 10.0.0.1/32 -p tcp -m tcp --dport 443 -j ACCEPT -A porte-trusted -d 10.0.0.3/32 -p tcp -m tcp --dport 1234 -j ACCEPT COMMIT *nat :PREROUTING ACCEPT [10:600] :INPUT ACCEPT [10:600] :OUTPUT ACCEPT [4:268] :POSTROUTING ACCEPT [18:1108] -A PREROUTING -d [$EXTIP] -p tcp -m tcp --dport 80 -j DNAT --to-destination 10.0.0.1:80 -A PREROUTING -d [$EXTIP] -p tcp -m tcp --dport 443 -j DNAT --to-destination 10.0.0.1:443 -A PREROUTING -d [$EXTIP] -p tcp -m tcp --dport 8069 -j DNAT --to-destination 10.0.0.3:1234 -A POSTROUTING -s 10.0.0.0/24 -o eth0 -m policy --dir out --pol ipsec -j ACCEPT -A POSTROUTING -s 10.0.1.0/24 -o nat -j MASQUERADE -A POSTROUTING -s 10.0.0.0/24 -o eth0 -j MASQUERADE COMMIT Probably I'm missing something stupid... Thanks in advance for helping :))

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• RCP applicatoon activities

  - by Peter

  I have a problem with my RCP application. First, I defined an activity in my plugin.xml: <extension point="org.eclipse.ui.activities"> <activity id="myproject.view.input.activity" name="myproject.view.input.activity"> <enabledWhen> <with variable="myproject.view.input.active"> <equals value="ENABLED"> </equals> </with> </enabledWhen> </activity> <activityPatternBinding activityId="myproject.view.input.activity" pattern="myproject.gui/myproject.view.input"> </activityPatternBinding> Then i defined my SourceProvider: <extension point="org.eclipse.ui.services"> <sourceProvider provider="myproject.util.CommandState"> <variable name="myproject.view.input.active" priorityLevel="workbench"> </variable> And, finally, my CommandState class: public class CommandState extends AbstractSourceProvider { public final static String OUTPUT_VIEW = "myproject.view.input.active"; // then goes some others variables, i just skip them // .... public final static String [] ACTIONS = {OUTPUT_VIEW /*and all others variables*/}; public final static String ENABLED = "ENABLED"; public final static String DISENABLED = "DISENABLED"; private final Map <String, String> currentState = new HashMap <String, String> (); @Override public void dispose() { } @Override public String[] getProvidedSourceNames() { return ACTIONS; } @Override public Map <String, String> getCurrentState() { return currentState; } public void setEnabled(boolean enabled, String [] commands) { String value = enabled ? ENABLED : DISENABLED; for (String command : commands) { currentState.put(command, value); fireSourceChanged(ISources.WORKBENCH, command, value); } } } In my Login window, application checks user permissions, and enable or disable views, commands, etc. with setEnabled method of CommandState. For commands it works fine, they are enabling or disabling correctly. But when i try to disable view and open perspective, that contains that view (myproject.view.input), it opened without that view, but also throws exception: !STACK 1 org.eclipse.ui.PartInitException: Could not create view: myproject.view.input at org.eclipse.ui.internal.ViewFactory.createView(ViewFactory.java:158) I can show full stacktrace if anyone want. I tried to debug my application and before i open my perspective whith that view, i checked currentState of my CommandState source provider, and all seemes to be ok: all variables values are correct and myproject.view.input.active = DISABLED Can anyone say, why exception is thrown? Thanks for any help. Sorry for big post and bad language

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• WCF Duplex Interaction with Web Server

  - by Mark Struzinski

  Here is my scenario, and it is causing us a considerable amount of grief at the moment: We have a vendor web service which provides base level telephony functionality. This service has a SOAP api, which we are leveraging to build up a custom UI that is integrated into our in house web apps. The api functions on 2 levels. You make standard client calls into the service to initiate actions, such as Login, Place Call, Hang Up, etc. On a different thread, the service sends events back to the client to alert the user of things that are occurring on the system (agent successfully logged in, call was disconnected, etc). I implemented a WCF service to sit between the web server and the vendor service. This WCF service operates in duplex mode, establishing a 2 way connection with the web server. The web server makes outbound calls to the WCF service, which routes them to the vendor's web service. Events are received back to the WCF service, which passes them onto the web server via a callback channel on the WCF client. As events are received on the web server, they are placed into a hash table with the user's name as the key, and a .NET queue as the value to hold the event. Each event is enqueued to the agent who owns it. On a 2 second interval, the web page polls the web server via an ajax request to get new events for the logged in user. It hits the hash table for the user key, dequeues any events that are present, and serializes them back up to the web page. From there, they are processed in order and appropriate messages are displayed to the user. This implementation performs well in a single user scenario. The second I put more than 1 user on the system, I start getting frequent timeouts with the following CommunicationException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond We are running Windows Server 2008 R2 both servers. Both the web app and WCF service are running on .NET 3.5. The WCF service is running under the net.tcp protocol in duplex mode. The web app is ASP.NET MVC 2. Has anyone dealt with anything like this scenario? Is there a more efficient way (or a widely accepted pattern) to implement this?

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• camera preview portrait problem in android application

  - by sujitjitu

  Hi this is my code for simple camera application in android .i have copied it from unlocking android e-book . Everything is working fine in emulator but when i am installing it in device the camera preview is working only in landscape mode. I have tried many thing but could not find any solution. Please see the code below and if you have any solution for it than it will be helpful to me. this is the code....... public class SimpleCamera extends Activity implements SurfaceHolder.Callback { private Camera camera; private boolean isPreviewRunning = false; private SimpleDateFormat timeStampFormat = new SimpleDateFormat("yyyyMMddHHmmssSS"); private SurfaceView surfaceView; private SurfaceHolder surfaceHolder; private Uri targetResource = Media.EXTERNAL_CONTENT_URI; public void onCreate(Bundle icicle) { super.onCreate(icicle); Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); getWindow().setFormat(PixelFormat.TRANSLUCENT); setContentView(R.layout.main); surfaceView = (SurfaceView)findViewById(R.id.surface); surfaceHolder = surfaceView.getHolder(); surfaceHolder.getSurface(); // Surface.setOrientation(Display.DEFAULT_DISPLAY,Surface.ROTATION_180); //didn't work at all surfaceHolder.addCallback(this); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public boolean onCreateOptionsMenu(android.view.Menu menu) { MenuItem item = menu.add(0, 0, 0, "View Pictures"); item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { Intent intent = new Intent(Intent.ACTION_VIEW, targetResource); startActivity(intent); return true; } }); return true; } protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } Camera.PictureCallback mPictureCallbackRaw = new Camera.PictureCallback() { public void onPictureTaken(byte[] data, Camera c) { camera.startPreview(); } }; Camera.ShutterCallback mShutterCallback = new Camera.ShutterCallback() { public void onShutter() { } }; public boolean onKeyDown(int keyCode, KeyEvent event) { ImageCaptureCallback camDemo = null; if(keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { try { String filename = timeStampFormat.format(new Date()); ContentValues values = new ContentValues(); values.put(Media.TITLE, filename); values.put(Media.DESCRIPTION, "Image from Android Emulator"); Uri uri = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, values); camDemo = new ImageCaptureCallback( getContentResolver().openOutputStream(uri)); } catch(Exception ex ){ } } if (keyCode == KeyEvent.KEYCODE_BACK) { return super.onKeyDown(keyCode, event); } if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { camera.takePicture(mShutterCallback, mPictureCallbackRaw, camDemo); return true; } return false; } protected void onResume() { Log.e(getClass().getSimpleName(), "onResume"); super.onResume(); } protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } protected void onStop() { super.onStop(); } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { if (isPreviewRunning) { camera.stopPreview(); } Camera.Parameters p = camera.getParameters(); p.setPreviewSize(w,h); //p.set("rotation","90"); // it didn't work //P.setRotation(90); // only work in 2.0 or later SDK but i am using 1.5 camera.setParameters(p); try { camera.setPreviewDisplay(holder); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } camera.startPreview(); isPreviewRunning = true; } public void surfaceCreated(SurfaceHolder holder) { camera = Camera.open(); } public void surfaceDestroyed(SurfaceHolder holder) { camera.stopPreview(); isPreviewRunning = false; camera.release(); } } any help will be appreciated..

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• PayPal sandbox Buy Now Problem

  - by Tushar Ahirrao

  Hi , I have paypal sandbox test account. I want to create a 'buy Now' button. I am trying it with GWT. But its even not working with simple HTML form. It displays a 'Buy Now' button on HTML page and after clicking on it redirects to PayPal site. Where it ask to login to buy product but after that it goes on displying message: The email address or password you have entered does not match our records. Please try again. I am using buyer user to purchase product. I am pretty sure about the username and password. Providing here the simple HTML form which I am trying: <form action="https://www.paypal.com/cgi-bin/webscr" method="post" id="payPalForm"> <input type="hidden" name="item_number" value="1"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" name="no_note" value="1"> <input type="hidden" name="business" value="[email protected]"> <input type="hidden" name="lc" value="US"> <input type="hidden" name="button_subtype" value="services"> <input type="hidden" name="cn" value="Add special instructions to the seller"> <input type="hidden" name="no_shipping" value="2"> <input type="hidden" name="rm" value="1"> <input type="hidden" name="bn" value="PP-BuyNowBF:btn_paynow_SM.gif:NonHosted"> <input type="hidden" name="variables" value="http://google.com"> <input type="hidden" name="cancel_return" value="http://google.com"> <input type="hidden" name="notify_url" value="http://google.com"> <input type="hidden" name="return" value="http://freelanceswitch.com/payment-complete /"> <input type="hidden" name="currency_code" value="USD"> <input name="item_name" type="hidden" value="Deal Name"> <input name="amount" type="hidden" value="500"> <input type="submit" name="Submit" value="Submit"> </form> Please advice. Thank you.

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• How to add the coding for displaying the address when a particular set of latitude and longitude is

  - by KKC

  import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import android.os.Bundle; import android.view.KeyEvent; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.AdapterView.OnItemSelectedListener; public class PopularAttractions extends MapActivity { private String[ ][ ] locations = { {"Singapore Zoological Garden","1.40502,103.793449"}, {"Singapore Night Safari","1.4037,103.789467"}, {"Jurong BirdPark","1.32005,103.707153"}, {"Jurong Reptile Park","1.321177,103.708486"}, {"Singapore Botanic Garden","1.31471,103.815689"}, {"Sungei Buloh Wetland Reserver","1.445144,103.729595"}, {"Escape Theme Park","1.38104,103.936928"}, {"Snow City","1.32823,103.74263"}, {"Super Ice World","1.300422,103.875348"}, {"Chinatown Heritage Center","1.2836,103.84425"}, {"Singapore Science Center","1.3249,103.740578"}, {"Red Dot Design Museum","1.277762,103.846225"}, {"G-Max Reverse Bungy","1.2906,103.845322"}, {"NEWater Visitor Center","1.33105,103.955311"} }; private Spinner spinnerView; private MapView mapView; private MapController mc; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); spinnerView = (Spinner) this.findViewById(R.id.spinner1); mapView = (MapView) findViewById(R.id.mapview1); mc = mapView.getController(); ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_spinner_dropdown_item); //--add the various locations--- for(int i = 0; i < locations.length; i++) adapter.add(locations[i][0]); adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item); spinnerView.setAdapter(adapter); spinnerView.setOnItemSelectedListener(selectListener); gotoSelected(); } //---when user selects an item--- private OnItemSelectedListener selectListener = new OnItemSelectedListener() { //---these are two methods you need to implement--- public void onItemSelected( AdapterView<?>parent, View v, int position, long id) { gotoSelected(); } public void onNothingSelected(AdapterView<?> arg0) {} }; //---when an item has been selected--- public void gotoSelected() { int index = spinnerView.getSelectedItemPosition(); String[] coordinates = locations[index][1].split(","); double lat = Double.parseDouble(coordinates[0]); double lng = Double.parseDouble(coordinates[1]); GeoPoint location = new GeoPoint ( (int)(lat * 1E6), (int)(lng * 1E6)); mc.animateTo(location); mc.setZoom(16); if (mapView.isSatellite()) mapView.setSatellite(false); else mapView.setStreetView(true); mapView.invalidate(); } public boolean onKeyDown(int keyCode, KeyEvent event) { MapController mc = mapView.getController(); switch (keyCode) { case KeyEvent.KEYCODE_3: mc.zoomIn(); break; case KeyEvent.KEYCODE_1: mc.zoomOut(); break; } return super.onKeyDown(keyCode, event); } @Override protected boolean isRouteDisplayed(){ //TODO Auto-generated method sub return false; } }

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• jQuery image crossfader problem

  - by Dr Casper Black

  Hey!, I have a image switcher fadein/out (it will crossfade iamges - auto(1 - x) ) and a pager but i cant manage to make the image rotation listen the click action on pager, when clicked on pager the image will NOT jup tu the specific img. The problem is in the rotate function the triggerID will hold the "rel" num of the current pager-element which is the equivalent to the image "list" num, so when clicked on the pager, the triggerID will show the rel number that was clicked... can i use that to display the image Here is the code for JQ: $(".paging a:first").addClass("active"); //Rotation rotate = function(){ var triggerID = $active.attr("rel"); //Get number of times to images $(".paging a").removeClass('active'); //Remove all active class $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function) //CrossFade Animation var $activeImg = $('.image_reel img.active'); if ( $activeImg.length == 0 ) $activeImg = $('.image_reel img:last'); var $next = $activeImg.next().length ? $activeImg.next() : $('.image_reel img:first'); $activeImg.addClass('last-active'); $next.css({opacity: 0.0}) .addClass('active') .animate({opacity: 1.0}, 500, function() { $activeImg.removeClass('active last-active'); }); }; //Rotation and Timing Event rotateSwitch = function(){ play = setInterval(function(){ //Set timer - this will repeat itself every 3 seconds $active = $('.paging a.active').next(); //Move to the next paging if ( $active.length === 0) { //If paging reaches the end... $active = $('.paging a:first'); //go back to first } rotate(); //Trigger the paging and slider function }, 3000); //Timer speed in milliseconds (3 seconds) }; rotateSwitch(); //Run function on launch //On Click $(".paging a").click(function() { $active = $(this); //Activate the clicked paging //Reset Timer clearInterval(play); //Stop the rotation rotate(); //Trigger rotation immediately rotateSwitch(); // Resume rotation timer return false; //Prevent browser jump to link anchor }); The HTML code: <div class="image_reel"> <img src="images/slideshow/img1.jpg" alt="image 1" class="active"> <img src="images/slideshow/img2.jpg" alt="image 2"> <img src="images/slideshow/img3.jpg" alt="image 3"> <img src="images/slideshow/img4.jpg" alt="image 4"> </div> <div class="paging"> <a href="#" rel="1" title="image 1">&nbsp;</a> <a href="#" rel="2" title="image 2">&nbsp;</a> <a href="#" rel="3" title="image 3">&nbsp;</a> <a href="#" rel="4" title="image 4">&nbsp;</a> </div> plz help.

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• Asynchronous vs Synchronous vs Threading in an iPhone App

  - by Coocoo4Cocoa

  I'm in the design stage for an app which will utilize a REST web service and sort of have a dilemma in as far as using asynchronous vs synchronous vs threading. Here's the scenario. Say you have three options to drill down into, each one having its own REST-based resource. I can either lazily load each one with a synchronous request, but that'll block the UI and prevent the user from hitting a back navigation button while data is retrieved. This case applies almost anywhere except for when your application requires a login screen. I can't see any reason to use synchronous HTTP requests vs asynchronous because of that reason alone. The only time it makes sense is to have a worker thread make your synchronous request, and notify the main thread when the request is done. This will prevent the block. The question then is bench marking your code and seeing which has more overhead, a threaded synchronous request or an asynchronous request. The problem with asynchronous requests is you need to either setup a smart notification or delegate system as you can have multiple requests for multiple resources happening at any given time. The other problem with them is if I have a class, say a singleton which is handling all of my data, I can't use asynchronous requests in a getter method. Meaning the following won't go: - (NSArray *)users { if(users == nil) users = do_async_request // NO GOOD return users; } whereas the following: - (NSArray *)users { if(users == nil) users == do_sync_request // OK. return users; } You also might have priority. What I mean by priority is if you look at Apple's Mail application on the iPhone, you'll notice they first suck down your entire POP/IMAP tree before making a second request to retrieve the first 2 lines (the default) of your message. I suppose my question to you experts is this. When are you using asynchronous, synchronous, threads -- and when are you using either async/sync in a thread? What kind of delegation system do you have setup to know what to do when a async request completes? Are you prioritizing your async requests? There's a gamut of solutions to this all too common problem. It's simple to hack something out. The problem is, I don't want to hack and I want to have something that's simple and easy to maintain.

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• i want to have some cross browser consistency on my fieldsets, do you know how can i do it?

  - by Omar

  i have this problem with fieldsets... have a look at http://i.imgur.com/IRrXB.png is it possible to achieve what i want with css??? believe me, i tried! as you can see on the img, i just want the look of the legend to be consistent across browsers, i want it to use the width of the fieldset no more (like chrome and ie) no less (like firefox), dont worry about the rounded corners and other issues, thats taken care of. heres the the core i'm using. CSS <style type="text/css"> fieldset {margin: 0 0 10px 0;padding: 0; border:1px solid silver; background-color: #f9f9f9; -moz-border-radius:5px; -webkit-border-radius:5px; border-radius:5px} fieldset p{clear:both;margin:.3em 0;overflow:hidden;} fieldset label{float:left;width:140px;display:block;text-align:right;padding-right:8px;margin-right: 2px;color: #4a4a4a;} fieldset input, fieldset textarea {margin:0;border:1px solid #ddd;padding:3px 5px 3px 5px;} fieldset legend { background: #C6D1E8; position:relative; left: -1px; margin: 0; width: 100%; padding: 0px 5px; font-size: 1.11em; font-weight: bold; text-align:left; border: 1px solid silver; -webkit-border-top-left-radius: 5px; -webkit-border-top-right-radius: 5px; -moz-border-radius-topleft: 5px; -moz-border-radius-topright: 3px; border-top-left-radius: 5px; border-top-right-radius: 5px; } #md {width: 400px;} </style> HTML <div id="md"> <fieldset> <legend>some title</legend> <p> <label>Login</label> <input type="text" /> </p> <p> <label>Password</label> <input type="text" /> </p> <p><label>&nbsp;</label> <input type="submit"> </p> </fieldset> </div>

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• Turning off ASP.Net WebForms authentication for one sub-directory

  - by Keith

  I have a large enterprise application containing both WebForms and MVC pages. It has existing authentication and authorisation settings that I don't want to change. The WebForms authentication is configured in the web.config: <authentication mode="Forms"> <forms blah... blah... blah /> </authentication> <authorization> <deny users="?" /> </authorization> Fairly standard so far. I have a REST service that is part of this big application and I want to use HTTP authentication instead for this one service. So, when a user attempts to get JSON data from the REST service it returns an HTTP 401 status and a WWW-Authenticate header. If they respond with a correctly formed HTTP Authorization response it lets them in. The problem is that WebForms overrides this at a low level - if you return 401 (Unauthorised) it overrides that with a 302 (redirection to login page). That's fine in the browser but useless for a REST service. I want to turn off the authentication setting in the web.config: <location path="rest"> <system.web> <authentication mode="None" /> <authorization><allow users="?" /></authorization> </system.web> </location> The authorisation bit works fine, but when I try to change the authentication I get an exception: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. I'm configuring this at application level though - it's in the root web.config How do I override the authentication so that all of the rest of the site uses WebForms authentication and this one directory uses none? This is similar to another question: 401 response code for json requests with ASP.NET MVC, but I'm not looking for the same solution - I don't want to just remove the WebForms authentication and add new custom code globally, there's far to much risk and work involved. I want to change just the one directory in configuration.

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• Database connection timeout

  - by Clinton Bosch

  Hi I have read so many articles on the Internet about this problem but none seem to have a clear solution. Please could someone give me a definite answer as to why I am getting database timeouts. The app is a GWT app that is being hosted on a Tomcat 5.5 server. I use spring and the session factory is created in the applicationContext.xml as follows <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">${connection.dialect}</prop> <prop key="hibernate.connection.username">${connection.username}</prop> <prop key="hibernate.connection.password">${connection.password}</prop> <prop key="hibernate.connection.url">${connection.url}</prop> <prop key="hibernate.connection.driver_class">${connection.driver.class}</prop> <prop key="hibernate.show_sql">${show.sql}</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.c3p0.min_size">5</prop> <prop key="hibernate.c3p0.max_size">20</prop> <prop key="hibernate.c3p0.timeout">1800</prop> <prop key="hibernate.c3p0.max_statements">50</prop> <prop key="hibernate.c3p0.idle_test_period">300</prop> </props> </property> <property name="annotatedClasses"> <list> <value>za.co.xxxx.traintrack.server.model.Answer</value> <value>za.co.xxxx.traintrack.server.model.Company</value> <value>za.co.xxxx.traintrack.server.model.CompanyRegion</value> <value>za.co.xxxx.traintrack.server.model.Merchant</value> <value>za.co.xxxx.traintrack.server.model.Module</value> <value>za.co.xxxx.traintrack.server.model.Question</value> <value>za.co.xxxx.traintrack.server.model.User</value> <value>za.co.xxxx.traintrack.server.model.CompletedModule</value> </list> </property> </bean> <bean id="dao" class="za.co.xxxx.traintrack.server.DAO"> <property name="sessionFactory" ref="sessionFactory"/> <property name="adminUsername" value="${admin.user.name}"/> <property name="adminPassword" value="${admin.user.password}"/> <property name="godUsername" value="${god.user.name}"/> <property name="godPassword" value="${god.user.password}"/> </bean> All works fine untile the next day: INFO | jvm 1 | 2010/06/15 14:42:27 | 2010-06-15 18:42:27,804 WARN [JDBCExceptionReporter] : SQL Error: 0, SQLState: 08S01 INFO | jvm 1 | 2010/06/15 14:42:27 | 2010-06-15 18:42:27,821 ERROR [JDBCExceptionReporter] : The last packet successfully received from the server was 38729 seconds ago.The last packet sent successfully to the server was 38729 seconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. INFO | jvm 1 | 2010/06/15 14:42:27 | Jun 15, 2010 6:42:27 PM org.apache.catalina.core.ApplicationContext log INFO | jvm 1 | 2010/06/15 14:42:27 | SEVERE: Exception while dispatching incoming RPC call I have read so many different things (none of which worked), please help

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• How to set width of parent div in css

  - by Marcin Wiankowski

  I am using vaadin in combination with navigator7 addon. In header and footer there are spacings between conponents That i would not have. I tried to remove the spacings using setSpacing(false) for header and footer component but it is not working probably becouse of the addon. So i tried to solve this using css. The sample below i a test output html that vaadin generates: <!DOCTYPE html> <html> <head> <style type="text/css"> div div .footer-label, .footer-label{ color: green; width: 100px !important; } </style> </head> <body> <div class="my-footer"> <div> <div style="color: red; height: 20px; width: 482px; overflow: hidden; float: left; padding-left: 0px; padding-top: 0px; background-color:yellow;"> <div style="float: left; margin-left: 0px;"> <button class="footer-label" style="width: 400px;">Text</button> </div> </div> </div> </div> </div> </body> </html> There is a button inside div div. I would like to make the width of root div to have exact same width as the button. I ended with this css code but it does not work. The root div stays in its 482 pixels width. div div .footer-label, .footer-label{ color: green; width: 100px !important; } Is it possible to do something like that in css and how to do it? Or how to solve this using problem using Vaadin? Vaadin Code public class MyAppLevelWindow extends HeaderFooterFixedAppLevelWindow { @Override protected Component createHeader() { ... } @Override protected Component createFooter() { HorizontalLayout myFooter = new HorizontalLayout(); akmedFooter.setSpacing(false); akmedFooter.setStyleName("my-footer"); NativeButton sendProblemButton = new NativeButton("Button"); sendProblemButton.setStyleName("footer-label"); akmedFooter.addComponent(sendProblemButton); ..... return akmedFooter; } ............. } Answer .my-footer div div{ width: auto !important; }

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• SaaS Architecture Question from Newbie

  - by user226767

  I have developed a number of departmental client-server applications, and am now ready to begin working on moving one of these applications to a SaaS model. I have done some basic web development, but I'm a newbie when it comes to SaaS architectures. One of the first questions that comes to mind as I try to design the architecture is the question of single vs. multi tenancy. The pros and cons of each vary significantly depending on the type of application and scale required, so I'd like to describe my application and scale needs below, and hope others can comment on how I should get started with the architecture. The client-server application currently consists of a Firebird database and a Windows application. The database contains about 20 tables containing a few thousand records in 4 primary tables, and a few hundred records in various lookup and related tables. Although the number of records is small, the size can get large, as the database can contain large BLOBS. Each customer sets up their own database and has a handful of users within the organization connected to it. When I update the db schema, a new windows application is released, and it checks the db schema and then applies the updates as needed. For the SaaS application, I am designing for 100's (not 1000's or millions) of new customers per year. My first thought was to go with a multi tenancy model to make updates easy (shut down apply the updates to one database, and then start up). On the other hand, a single tenancy model would provide a means to roll updates out to a group of customers at a time, and spread the risk of data corruption - i.e. if something goes wrong with a database, it will impact one customer instead of all customers. With this idea, I was thinking of having a single web front-end which would connect to a single customer database upon login. Thus, when a new customer creates an account, a new database would be created (each customer would have their own db with multiple users as needed for the customer). In this model, a db update would require either a process to go through each db to apply schema changes, or a trigger upon logging in to initiate a schema update similar to the client-server model currently in use. Can anyone point me to information for similar applications which have been ported from client-server to SaaS? Or provide any pointers to consider? Basically I'm looking for architecture examples of taking a departmental application and making it available as a self service website for multiple customers. Thanks for any suggestions, resources, etc.

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• My Optin form doesn't work in Internet Explorer, but works fine in Firefox.

  - by Allen

  I have the following code for my optin form: <script language="JavaScript"> function checkSub(){ if (document.signup.email.value.indexOf('@', 0) == -1) { alert("Please fill in your valid Email address.\nYour email should be in the following format: [email protected]"); document.signup.email.focus(); return false} else if (!document.signup.terms.checked) { alert("You must read and agree to the terms"); document.signup.terms.focus(); return false} else { switch(document.signup.extra1.value) { case "Platinum": answer = confirm("By clicking OK you confirm that you have\nalready entered the World Cup Giveaway\nas a Platinum upgrade contributor.\n\nIf you have not yet entered the giveaway\nclick Cancel.\n\nYou can enter using the link at the\nbottom of the page.\n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer."); if (!answer) { return false} break; case "Gold": answer = confirm("By clicking OK you confirm that you have\nalready entered the World Cup Giveaway\nas a Gold upgrade contributor.\n\nIf you have not yet entered the giveaway\nclick Cancel.\n\nYou can enter using the link at the\nbottom of the page. \n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer."); if (!answer) { return false} break; default: alert("You must sign up as a contributor to the \nWorld Cup Giveaway to take advantage of \nthis offer.\n\nPlease click the link at the bottom of this \npage or at the blog post mentioned below \nto sign up.\n\nIf you have already signed up using \nthis link, please select the upgrade level\nyou chose on signup or select \"Free\" if \nyou signed up as a free contributor.\n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer.\n\nNote: This page may not function properly\nif viewed in languages other than English."); return false} } } </script> <form action="http://ebizac.com/ar/optin.php" method="post" name="signup" onsubmit="return checkSub()"> <input type=hidden name="action" value="addlead"> <input type=hidden name="member" value="2315"> <input type=hidden name="auto" value="7584"> <input type=hidden name="thankyou" value="http://plr.forinternetnewbies.com/Offer1"> <input type=hidden name="resubsetting" value="Y"> <input type=hidden name="resubredirect" value=""> <input type=hidden name="invalid_redirect" value=""> <div style="padding:0 0 0 10px;"> <table border=0 cellspacing=0 cellpadding=2><tr><td class="label"><font size="2" face="arial, verdana">Name:</font></td><td><input type=text size=20 name="fname"></td></tr> <tr><td class="label" width="150"><font size="2" face="arial, verdana">Email address:</font></span></td><td><input type=text size=20 name="email"></td></tr> <tr><td class="label"><font size="2" face="arial, verdana">Upgrade Level:</font></td><td><select size=1 name="extra1"><option>Haven't Joined Yet</option><option>Platinum</option><option>Gold</option><option>Silver</option><option>Free</option></td></tr> <tr><td></td><td align=center><input type="checkbox" name="terms" value="agree">I agree to the terms as described on the <a href="http://short9.com/blog0522-sp" target="_blank">blog post</a> </td></tr> <tr><td></td><td align=center><input type="submit" value="Contribute Now"></td></tr></table></div></form> Everything does what I expect in Firefox, but in Internet Explorer the switch statement always goes to the default case. I tested with an extra alert(signup.extra1.value) in the default case and it shows an empty string. What could be the problem here?

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• Problem with Google Calendar API invocation at server side

  - by Raffo

  Hi guys, I have problems with the invocation of the Google Calendar API. I downloaded the library for java and I added as external JAR in eclipse the following files: gdata-core, gdata-calendar, gdata- calendar-meta, gdata-client-meta, gdata-client. Then, I created a the method as it follows: import com.google.gdata.client.calendar.CalendarService; import com.google.gdata.data.calendar.CalendarEntry; import com.google.gdata.data.calendar.CalendarFeed; import com.google.gwt.user.server.rpc.RemoteServiceServlet; public class GCalServImpl extends RemoteServiceServlet implements GCalServ { @Override public String RetrieveCalendars() { // TODO Auto-generated method stub // Create a CalenderService and authenticate try{ CalendarService myService = new CalendarService("taskR"); myService.setUserCredentials(***username***, "***password***"); // Send the request and print the response URL feedUrl = new URL("http://www.google.com/calendar/feeds/default/ allcalendars/full"); CalendarFeed resultFeed = myService.getFeed(feedUrl, CalendarFeed.class); System.out.println("Your calendars:"); System.out.println(); String s = ""; for (int i = 0; i < resultFeed.getEntries().size(); i++) { CalendarEntry entry = resultFeed.getEntries().get(i); s=entry.getTitle().getPlainText(); System.out.println("\t" + s); return s; } }catch(Exception e){ e.printStackTrace(); } return null; } I then call it from the client side doing a basic async invocation. If I try to launch the program I got the following errors: WARNING: Error for /taskr/cal java.lang.NoClassDefFoundError: com/google/gdata/client/calendar/ CalendarService at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) at java.lang.Class.getConstructor0(Class.java:2699) at java.lang.Class.newInstance0(Class.java:326) at java.lang.Class.newInstance(Class.java:308) at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153) at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java: 428) at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java: 339) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 487) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java: 51) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java: 43) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java: 122) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: 388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: 216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: 182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: 765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 418) at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java: 70) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: 152) at com.google.appengine.tools.development.JettyContainerService $ApiProxyHandler.handle(JettyContainerService.java:349) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: 152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: 542) at org.mortbay.jetty.HttpConnection $RequestHandler.content(HttpConnection.java:938) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: 409) at org.mortbay.thread.QueuedThreadPool $PoolThread.run(QueuedThreadPool.java:582) Caused by: java.lang.ClassNotFoundException: com.google.gdata.client.calendar.CalendarService at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java: 151) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398) ... 33 more What can I do??

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• Jasper report always showing no content, why?

  - by spderosso

  Hi, I have the following code: InputStream reportFile = MyPage.this.getClass().getResourceAsStream("test.jrxml"); HashMap<String, String> parameters = new HashMap<String, String>(); parameters.put("StringParameterName", "show me"); try { JasperReport report = JasperCompileManager.compileReport(reportFile); JasperPrint print = JasperFillManager.fillReport(report, parameters); return JasperExportManager.exportReportToPdf(print); } catch (JRException e) { // TODO Auto-generated catch block e.printStackTrace(); return null; } And the test.jrxml looks like this (I generated part of it with the iReport, the only thing I did was to remove the language="groovy" attribute): <?xml version="1.0" encoding="UTF-8"?> <jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="test" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20"> <property name="ireport.zoom" value="1.0"/> <property name="ireport.x" value="0"/> <property name="ireport.y" value="0"/> <parameter name="StringParameterName" isForPrompting="false" class="java.lang.String"/> <background> <band splitType="Stretch"/> </background> <title> <band height="20"> <staticText> <reportElement x="180" y="0" width="200" height="20"/> <text><![CDATA[Hello World!]]></text> </staticText> </band> </title> <pageHeader> <band height="35" splitType="Stretch"/> </pageHeader> <columnHeader> <band height="61" splitType="Stretch"/> </columnHeader> <detail> <band height="125" splitType="Stretch"> <textField> <reportElement x="243" y="77" width="100" height="20"/> <textElement/> <textFieldExpression class="java.lang.String"><![CDATA[$P{StringParameterName}]]></textFieldExpression> </textField> </band> </detail> <columnFooter> <band height="45" splitType="Stretch"/> </columnFooter> <pageFooter> <band height="54" splitType="Stretch"/> </pageFooter> <summary> <band height="42" splitType="Stretch"/> </summary> </jasperReport> As a result I always get a blank pdf file. What could be the reason?

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• WPF Application Slow Unresponsive when demonstrating using remote sharing software

  - by Kev

  After spending 14 hours on this I think its time to share my woes and see if anyone has experienced this issue before. Ill describe the issue and tests I have done to rule out certain things. Ok so I have a WPF application which loads in data from an SQL database. I am using DevExpress Components for datagrids, ribbons etc.. and FluentNhibernate to provide a session for database operations. I am also using log4net to log events to a textfile. Using the application on my laptop with SQL Express 2008 works fine.. the application starts up, retrieves 1000 records and I can tab through the controls on the ribbon. Now, I decided to demo the application to a third party and used remote login/sharing software online to share my desktop with the other person so as I could load the application on my laptop and they could view me using the application. Now, the application takes approx 45 seconds to load... 30 seconds with a blank database where as, when im not sharing out my screen using the online software the application loads in about 7-10 seconds. As well as that, even using the controls in the application during the demo were very sticky, slow and unresponsive. During the sharing session though however I was able to use other applications without any problems.. everything else worked fine. But I cannot understand how my application works ok under normal conditions , even browsing the net at the same time etc... BUT totally fails to perform correctly when I am sharing a session with another user... the CPU usage shot up to 100% too at times when the application was trying to start up... Please see below a list of 3rd party dlls I am using as references in my project. DevExpress dlls FluidKit PixelLab.WPF PixelLab.Common Galasoft WPF Kit FluentNHibernate NHibernate Nhibernate.ByteCode.Castle Skype4ComLib TXTEXTControl log4net LinqKit All of these DLLs are in the output folder with the application dlls created from the class assemblys in the project. So when installed via an installer on a machine the dlls will be in the same application folder as the application file itself. Many thanks

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