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  • Missing the Rails gem. Please `gem install -v=2.3.4 rails`

    - by Brian Roisentul
    I was trying to fix this error and I ended up with a new one. I have installed ruby 1.8.6, but using Built-in JRuby 1.4.0 for my app. Everything was working fine until I updated every gem(as specified by the answer I got from that link) and everything crashed: ever since I tried to start the app I received the following error message: Missing the Rails 2.3.4 gem. Please gem install -v=2.3.4 rails, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed. Then, I tried to uninstall the updates(to v2.3.8, most of them), so the last version is 2.3.4. In my config/environment.rb file I have this: RAILS_GEM_VERSION = '2.3.4' unless defined? RAILS_GEM_VERSION so I guess everything is as I left it before the update. The question is....why do I keep getting the error and I can't start the app?

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  • What's wrong with this vcl config for varnish-cache as load balancer?

    - by dabito
    I have the current configurations active on my default.vcl varnish file on the machine that balances the load for other two machines (the other two machines also have varnish active). My intention is to have this server do only the load balancing and the other machines do the processing and also their own caching. My problem is that even with the config testing (not even a stress test or anything, just a few requests a minute) I get the guru meditation error and have to restart varnish. This is the default.vcl for the load balancing server: backend vader { .host = "app1.server.com"; .probe = { .url = "/"; .interval = 10s; .timeout = 4s; .window = 5; .threshold = 3; } } backend malgus { .host = "app2.server.com"; .probe = { .url = "/"; .interval = 10s; .timeout = 4s; .window = 5; .threshold = 3; } } director dooku round-robin { { .backend = vader; } { .backend = malgus; } } sub vcl_recv { if (req.http.host ~ "^balancer.server.com$") { set req.backend = dooku; } } Am I doing something wrong or missing something? EDIT: This is varnishlog's output: 0 CLI - Rd ping 0 CLI - Wr 200 19 PONG 1345839995 1.0 0 CLI - Rd ping 0 CLI - Wr 200 19 PONG 1345839998 1.0 0 CLI - Rd ping 0 CLI - Wr 200 19 PONG 1345840001 1.0 0 Backend_health - malgus Still sick 4--X--- 0 3 5 0.000000 3.846876 0 Backend_health - vader Still sick 4--X--- 0 3 5 0.000000 3.839194 0 CLI - Rd ping 0 CLI - Wr 200 19 PONG 1345840004 1.0 14 SessionOpen c 10.150.7.151 38272 :80 14 ReqStart c 10.150.7.151 38272 458200540 14 RxRequest c GET 14 RxURL c / 14 RxProtocol c HTTP/1.1 14 RxHeader c Host: dooku-dev.excelsior.com 14 RxHeader c Connection: keep-alive 14 RxHeader c User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11 14 RxHeader c Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 14 RxHeader c Accept-Encoding: gzip,deflate,sdch 14 RxHeader c Accept-Language: en-US,en;q=0.8,es-419;q=0.6,es;q=0.4 14 RxHeader c Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 14 RxHeader c Cookie: SESSa87d6c6da0c61037a9169122dc5e4a19=HR_0Srhgc-uDArT3aJFzOBy31FtzneTXg38byr1eGMU; __atuvc=4%7C33 14 VCL_call c recv pass 14 VCL_call c hash 14 Hash c / 14 Hash c dooku-dev.excelsior.com 14 VCL_return c hash 14 VCL_call c pass pass 14 FetchError c no backend connection 14 VCL_call c error deliver 14 VCL_call c deliver deliver 14 TxProtocol c HTTP/1.1 14 TxStatus c 503 14 TxResponse c Service Unavailable 14 TxHeader c Server: Varnish 14 TxHeader c Content-Type: text/html; charset=utf-8 14 TxHeader c Retry-After: 5 14 TxHeader c Content-Length: 418 14 TxHeader c Accept-Ranges: bytes 14 TxHeader c Date: Fri, 24 Aug 2012 20:26:44 GMT 14 TxHeader c X-Varnish: 458200540 14 TxHeader c Age: 0 14 TxHeader c Via: 1.1 varnish 14 TxHeader c Connection: close 14 Length c 418 14 ReqEnd c 458200540 1345840004.916415691 1345840004.965190172 0.020933390 0.048741817 0.000032663 14 SessionClose c error 14 StatSess c 10.150.7.151 38272 0 1 1 0 1 0 256 418 14 SessionOpen c 10.150.7.151 38273 :80 14 ReqStart c 10.150.7.151 38273 458200541 14 RxRequest c GET 14 RxURL c /favicon.ico 14 RxProtocol c HTTP/1.1 14 RxHeader c Host: dooku-dev.excelsior.com 14 RxHeader c Connection: keep-alive 14 RxHeader c Accept: */* 14 RxHeader c User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11 14 RxHeader c Accept-Encoding: gzip,deflate,sdch 14 RxHeader c Accept-Language: en-US,en;q=0.8,es-419;q=0.6,es;q=0.4 14 RxHeader c Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 14 RxHeader c Cookie: SESSa87d6c6da0c61037a9169122dc5e4a19=HR_0Srhgc-uDArT3aJFzOBy31FtzneTXg38byr1eGMU; __atuvc=4%7C33 14 VCL_call c recv pass 14 VCL_call c hash 14 Hash c /favicon.ico 14 Hash c dooku-dev.excelsior.com 14 VCL_return c hash 14 VCL_call c pass pass 14 FetchError c no backend connection 14 VCL_call c error deliver 14 VCL_call c deliver deliver 14 TxProtocol c HTTP/1.1 14 TxStatus c 503 14 TxResponse c Service Unavailable 14 TxHeader c Server: Varnish 14 TxHeader c Content-Type: text/html; charset=utf-8 14 TxHeader c Retry-After: 5 14 TxHeader c Content-Length: 418 14 TxHeader c Accept-Ranges: bytes 14 TxHeader c Date: Fri, 24 Aug 2012 20:26:45 GMT 14 TxHeader c X-Varnish: 458200541 14 TxHeader c Age: 0 14 TxHeader c Via: 1.1 varnish 14 TxHeader c Connection: close 14 Length c 418 14 ReqEnd c 458200541 1345840005.226389885 1345840005.226457834 0.000026941 0.000043154 0.000024796 14 SessionClose c error 14 StatSess c 10.150.7.151 38273 0 1 1 0 1 0 256 418

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  • Swap space maxing out - JVM dying

    - by travega
    I have a server running 3 WordPress instances, MySql, Apache and the play framework 2.0 on 64m initial & max heap. If I increase the max heap of the JVM that play is running in even by 16m I see the 128m of swap space steadily fill up until the the JVM dies. I notice that it is only when I am plugging away at the wordpress sites that the JVM will die. I assume this is because the JVM is not asking for memory at the time so gets collected. I notice that when I restart Apache I reclaim about half of my swap and RAM. So is there some way I can configure apache to consume less memory? Also what could be causing the swap space to get so heavily thrashed with just 16m added to the max heap size of the JVM? Server running: Ubuntu 12.04 RAM: 408m Swap: 128m Apache mods: alias.conf alias.load auth_basic.load authn_file.load authz_default.load authz_groupfile.load authz_host.load authz_user.load autoindex.conf autoindex.load cgi.load deflate.conf deflate.load dir.conf dir.load env.load mime.conf mime.load negotiation.conf negotiation.load php5.conf php5.load proxy_ajp.load proxy_balancer.conf proxy_balancer.load proxy.conf proxy_connect.load proxy_ftp.conf proxy_ftp.load proxy_http.load proxy.load reqtimeout.conf reqtimeout.load rewrite.load setenvif.conf setenvif.load status.conf status.load

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  • HA Proxy won't load balance my web requests. What have I done wrong?

    - by Josh Smeaton
    I've finally got HA Proxy set up and running in a way I think I want. However, it is not load balancing the web requests it receives. All requests are currently being forwarded to the first server in the cluster. I'm going to paste my configuration below - if anyone can see where I may have gone wrong, I'd appreciate it. This is my first stab at configuring web servers in a *nix environment. First up, I have HA Proxy running on the same host as the first server in the apache cluster. We are moving these servers to virtual later on, and they will have different virtual hosts, but I wanted to get this running now. Both web servers are receiving their health checks, and are reporting back correctly. The haproxy?stats page correctly reports servers that are up and down. I've tested this by altering the name of the file that is checked. I haven't put any load onto these servers yet. I've just opened up the URLs on several tabs (private browsing), and had several co-workers hit the URL too. All of the traffic goes to WEB1. Am I balancing incorrectly? global maxconn 10000 nbproc 8 pidfile /var/run/haproxy.pid log 127.0.0.1 local0 debug daemon defaults log global mode http retries 3 option redispatch maxconn 5000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen WEBHAEXT :80,:8443 mode http cookie sessionbalance insert indirect nocache balance roundrobin option httpclose option forwardfor except 127.0.0.1 option httpchk HEAD health_check.txt stats enable stats auth rah:rah server WEB1 10.90.2.131:81 cookie WEB_1 check server WEB2 10.90.2.130:80 cookie WEB_2 check

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  • Can't get heroku site updated on custom domain

    - by Joseph Brown
    I have hosayif.com registered at GoDaddy, and I set up a cname for rails.hosayif.com to point to my heroku app at sharp-meadow-6535.herokuapp.com. I set this up with a previous app, and it worked. I made a new app, renamed the old one, and then renamed the new one so that it is sharp-meadow-6535.herokuapp.com in hopes of not having to change anything at GoDaddy. In theory, rails.hosayif.com and sharp-meadow-6535.herokuapp.com should be the same site, but they are not. Can someone tell me what I am doing wrong?

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  • How to approach people you've found through internet with similar programming interests?

    - by randomguy
    I've recently really dived into Ruby/Rails and I'm falling in love. I have a gut feeling this might be something that could last for a while. What I've been missing is interaction with people who are as passionate about Ruby, Rails and things closely related to these. I live in a relatively small city, but was able to find five local people through a RoR website. Weekly meetups with Macs, beer and bro-love rushed through my mental theater. Seriously though, I have no clue how I could approach these people. I have their e-mail addresses. Any advice?

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  • Demantra Performance Clustering Factor Out of Order Ratio TABLE_REORG CHECK_REORG (Doc ID 1594372.1)

    - by user702295
    Hello!   There is a new document available: Demantra Performance Clustering Factor Out of Order Ratio TABLE_REORG CHECK_REORG (Doc ID 1594372.1) Demantra Performance Clustering Factor Out of Order Ratio TABLE_REORG CHECK_REORG The table reorganization can be setup to automatically run in version 7.3.1.5.  In version 12.2.2 we run the TABLE_REORG.CHECK_REORG function at every appserver restart. If the function recommends a reorg then we strongly encourage to reorg the database object.  This is documented in the official docs. In versions 7.3.1.3 and 7.3.1.4, the TABLE_REORG module exists and can be used. It has two main functions that are documented in the Implementation Guide Supplement, Release 7.3, Part No. E26760-03, chapter 4. In short, if you are using version 7.3.1.3 or higher, you can check for the need to run a reorg by doing the following 2 steps: 1. Run TABLE_REORG.CHECK_REORG('T'); 2. Check the table LOG_TABLE_REORG for recommendations If you are on a version before 7.3.1.3, you will need to follow the instructions below to determine if you need to do a manual reorg. How to determine if a table reorg is needed 1. It is strongly encouraged by DEV that You gather statistics on the required table.  The prefered percentage for the gather is 100%. 2. Run the following SQL to evaluate how table reorg might affect Primary Key (PK) based access:   SELECT ui.index_name,trunc((ut.num_rows/ui.clustering_factor)/(ut.num_rows/ut.blocks),2) FROM user_indexes ui, user_tables ut, user_constraints uc WHERE ui.table_name=ut.table_name AND ut.table_name=uc.table_name AND ui.index_name=uc.index_name AND UC.CONSTRAINT_TYPE='P' AND ut.table_name=upper('&enter_table_name');   3. Based on the result: VALUE ABOVE 0.75 - DOES NOT REQUIRE REORG VALUE BETWEEN 0.5 AND 0.75 - REORG IS RECOMMENDED VALUE LOWER THAN 0.5 - IT IS HIGHLY RECOMMENDED TO REORG

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  • isometric drawing order with larger than single tile images - drawing order algorithm?

    - by Roger Smith
    I have an isometric map over which I place various images. Most images will fit over a single tile, but some images are slightly larger. For example, I have a bed of size 2x3 tiles. This creates a problem when drawing my objects to the screen as I get some tiles erroneously overlapping other tiles. The two solutions that I know of are either splitting the image into 1x1 tile segments or implementing my own draw order algorithm, for example by assigning each image a number. The image with number 1 is drawn first, then 2, 3 etc. Does anyone have advice on what I should do? It seems to me like splitting an isometric image is very non obvious. How do you decide which parts of the image are 'in' a particular tile? I can't afford to split up all of my images manually either. The draw order algorithm seems like a nicer choice but I am not sure if it's going to be easy to implement. I can't solve, in my head, how to deal with situations whereby you change the index of one image, which causes a knock on effect to many other images. If anyone has an resources/tutorials on this I would be most grateful.

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  • Auto Save and Auto Load Game onto the Device's Storage Concept Question

    - by David Dimalanta
    I'm trying to make a simple app that will test the save and load state. Is it a good idea to make an app that has an auto save and load game feature only every time the newbies open the first app then continues it on the other day? I tried making a sprite that is moving, starting at the center. When I close and re-open the app, the sprite goes back to the center instead of the last coordinate where the sprite land on this part (i.e. at the top). The thing I want to know how the sequence of saving and loading goes like this: I open the app The starting sprite at the center. It displays a coordinate of the sprite plus number of times does the sprite move. I exit the app that automatically saves the game without notice. Finally, when I re-opened it, it automatically loads the game retaining the number of times the sprite move, coordinates, and the sprite's area landed. These steps above are similar, but not the sprite movement test app, to the sequence of saving and loading the game's level and record in Jewel Stackers for the Android app. And, by default, if there is no SD card in any tab or phone that runs on Android, does it automatically save/load onto the internal drive or the APK file itself? Is it also useful to use auto save and auto load feature for protecting and fetching informations (i.e. fastest time, last time where the sprite is located via coordinates, etc.)?

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  • A good example project to 'prove' my skills [closed]

    - by David Archer
    I've been a commercial programmer for about 3 years now but all of my commercial work is based upon PHP (with Cake PHP, Wordpress and Wildfire) and ASP.Net (on C#, including MVC 3, Umbraco and Kentico) as well as plenty of HTML/CSS/jQuery examples to show. A future employer has asked me to show my Ruby on Rails potential. I've done Ruby on Rails before for fun, but nothing worthy of commercial showing. What I'd like to know, from a group of programmers, is what would be a good 'portfolio demo' piece for you? What have you seen in the past that impressed you? What are you looking for? For Ruby lead developers specifically, what sort of things are you looking to see in the code? Cheers!

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  • Z-order with Alpha blending in a 3D world

    - by user41765
    I'm working on a game in a 3D world with 2D sprites only (like Don't Starve game). (OpenGL ES2 with C++) Currently, I'm ordering elements back to front before drawing them without batch (so 1 element = 1 drawcall). I would like to implement batching in my framework to decrease draw calls. Here is what I've got for the moment: Order all elements of my scene back to front. Send order list of elements to the Renderer. Renderer look in his batch manager if a batch exist for the given element with his Material. Batch didn't exist: create a new one. Batch exist for element with this Material: Add sprite to the batch. Compute big mesh with all sprite for each batch (1 material type = 1 batch). When all batches are ok, the batch manager compute draw commands for the renderer. Renderer process draw commands (bind shader, bind textures, bind buffers, draw element) Image with my problem here: Explication here But I've got some problems because objects can be behind another objects inside another batch. How can I do something like that? Thanks!

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  • Display Call To Action bar on page load [migrated]

    - by dasickle
    I am using the following code to load the bar on click but I can't figure our how to load it on page load automatically. <script> var autohide; $('body').prepend('<div id="bn-bar"><b>DON\'T MISS OUT!</b> Only 9 seats remain for the Google Tag Manager training on May 22! <a href="#">Book Your Seat Today!</a><div id="hider"> </div></div>'); $(document).ready(function(){ $("#hider").click(function(){ $("#bn-bar").animate({ top: "-50" }, "fast","linear", function(){}); }) $("#bn-bar").mouseover(function(){clearTimeout(autohide);}); setTimeout(function(){$("#bn-bar").animate({top: "0"}, "slow","linear", function(){});},2500); autohide = setTimeout(function(){$("#bn-bar").animate({top: "-30"}, "fast","linear", function(){});},10000); }) </script> Basically I am trying to load a the message when user enters my website and I will be inserting it via Google Tag Manager. Below is a page where I found the code: Creative Tag Manager – Ads, Promotions, and Visitor Messaging -Lunametrics

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  • SharePoint Unit Testing and Load Testing Finally?

    - by Kit Ong
    It has always been a real pain to incorporate extensive SharePoint Unit Testing and Load Testing in a project, could Visual Studio 2012 finally make this easier? It certaining looks like it, here's a brief overview on SharePoint support in Visual Studio 2012. Load testing – We now support load testing for SharePoint out of the box. This is more involved than you might imagine due to how dynamic SharePoint is. You can’t just record a script and play it back – it won’t work because SharePoint generates and expects dynamic data (like GUIDs). We’ve built the extensions to our load testing solution to parse the dynamic SharePoint data and include it appropriately in subsequent requests. So now you can record a script and play it back and we will dynamically adjust it to match what SharePoint expects.Unit testing – One of the big problems with unit testing SharePoint is that most code requires SharePoint to be running and trying to run tests against a live SharePoint instance is a pain. So we’ve built a SharePoint “emulator” using our new VS 2012 Fakes & Stubs capability. This will make unit testing of SharePoint components WAY easier.Read more in the link belowhttp://blogs.msdn.com/b/bharry/archive/2012/09/12/visual-studio-update-this-fall.aspx

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  • Order in which passphrase is asked for encrypted volumes

    - by Lars Kotthoff
    I have installed 12.10 on a machine with two disks. The root partition is on one disk, the swap partition on the other. Both disks are encrypted and I have added the corresponding entries to /etc/crypttab. During boot, it asks for the passphrase for the disk with the root filesystem. Then it continues booting and gets to the login screen before I get a chance to enter the passphrase for the other disk. After logging in, I verified that it was actually waiting for me to enter the passphrase for that second partition (askpass process is running). But at that point, I have no way of entering the passphrase anymore. The manpage for crypttab suggests that the order in which the volumes are specified matters, so I changed it to have the swap disk first. I updated the initramfs and grub afterwards, but it didn't make any difference. How can I specify the order in which the encrypted partitions are unlocked? I'm looking for a solution that either asks for the swap passphrase first or tells the system to wait until all encrypted partitions are unlocked before displaying the login screen.

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  • Website hosting and deployment

    - by squixy
    I'm relatively new to Web Development especially when it comes to infrastructure. I have AngularJS application build and served by brunch.io locally. It uses rails-api JSON data. I'd like to deploy my angular application separately from rails server. For now, JS app is placde inside public directory of backend server and deployed together. It isn't elegant nor effective so I want to use some other hosting service. I was thinking about VPS where I could place both Angular and Ruby applications. I read about NodeJS or Nginx that can serve static files, but I don't have any knowledge or experience with these technologies. How is the best way to provide separate frontend and backend applications communicating with each other?

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  • How to register a domain for a beginner?

    - by garbage collection
    I've never registered a .com , .net like domain before, and I would like to do some research before doing so. I currently have a ruby on rails app running Heroku. Is there anything special I have to do prior to registering domain on my ruby on rails app at all? Or is it as easy as just inserting my current Heroku address to mask it with another .com or .net name? Is there some special features I should look for registering domain? Or is it typical for domain seller to just sell domain names only? Any recommendations on sellers? Thank you.

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  • Internet Explorer menu z-order problem [migrated]

    - by robgt
    I have what appears to be a z-order problem with Internet Explorer 9. It might be in other IE versions also, but not tested. I have to assume so. This page: http://www.modelhelicopters.co.uk/partsfinder/trex500esp/frames If you hover over the "All pages for this model" menu item on the parts finder menu bar (below the currency selector) - it should drop down a list of all the parts finder pages for the selected model helicopter. If you view the same page in IE or Chrome etc, you will see how it should appear. In IE9, the menu gets cut off at the top of the main exploded view image - suggesting the z-order is wrong. I have tried amending this with a jquery snippet but it didn't fix IE9. I know the code was inserted by jquery as shown by firebug in firefox. $j('div.std img[src*="/partsfinder/img"]').attr("style","position:relative;z-index:-100;"); I really do not know why this is not working.

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  • Cloud proxying service

    - by ChristopherJ
    I have an app that mashes up images from Bing image search, it's hosted on Heroku written in rails. The app is client side in javascript, so the mashup is done on an html5 canvas - this means though that if I fetch the images direct from the Bing server, the canvas gets dirty and I can't save it. As a quick work around, i have set up a route on my rails app that simply proxies the request to Bing and passes the result back through. Obviously this is a very poor performance solution and will eat up my dynos very quickly. Can anyone suggest a more suitable option? At the moment I'm thinking maybe Amazon EC2 with apache mod_rewrite rules would be better performing and more cost effective. Is there a cloud service (or an app I could deploy to a cloud service) that would be more appropriate for proxying requests for me so that my javascript can fetch the images without dirtying the canvas?

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  • Requiring a specific order of compilaiton

    - by Aber Kled
    When designing a compiled programming language, is it a bad idea to require a specific order of compilation of separate units, according to their dependencies? To illustrate what I mean, consider C. C is the opposite of what I'm suggesting. There are multiple .c files, that can all depend on each other, but all of these separate units can be compiled on their own, in no particular order - only to be linked together into a final executable later. This is mostly due to header files. They enable separate units to share information with each other, and thus the units are able to be compiled independently. If a language were to dispose of header files, and only keep source and object files, then the only option would be to actually include the unit's meta-information in the unit's object file. However, this would mean that if the unit A depends on the unit B, then the unit B would need to be compiled before unit A, so unit A could "import" the unit B's object file, thus obtaining the information required for its compilation. Am I missing something here? Is this really the only way to go about removing header files in compiled languages?

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  • Help - since adding an elastic load balancer to my EC2 web application I cannot connect with the MySQL database (not in AWS)

    - by undefined
    I have a web application that uses an EC2 instance to receive uploaded images, resize and store on S3 and update my MySQL database with the image record. This database is hosted outside Amazon Web Services and so obviously involves communication between the EC2 instance and the database. Images are posted to the upload server from a Flash client which receives the IP address of the upload server when it is loaded and so sends images to 1.12.23.34/resize_script.php This has worked great .. until i started to try and include a load balancer. Since the ELBs do not use an IP address but a DNS address I am now passing this to Flash. Now when I upload images I get the following response from the server - Could not connect to MySQL: Lost connection to MySQL server at 'reading initial communication packet', system error: 111 What might be causing the lost connection to MySQL server. Is there any additional steps I need to take to allow my upload servers to be load balanced? I have set the host property of my MySQL privileges for this user to % any pointers greatly appreciated thanks.

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  • I am trying to deploy my first rails app using Capistrano and am getting an error.

    - by Andrew Bucknell
    My deployment of a rails app with capistrano is failing and I hoping someone can provide me with pointers to troubleshoot. The following is the command output andrew@melb-web:~/projects/rails/guestbook2$ cap deploy:setup * executing `deploy:setup' * executing "mkdir -p /var/www/dev/guestbook2 /var/www/dev/guestbook2/releases /var/www/dev/guestbook2/shared /var/www/dev/guestbook2/shared/system /var/www/dev/guestbook2/shared/log /var/www/dev/guestbook2/shared/pids && chmod g+w /var/www/dev/guestbook2 /var/www/dev/guestbook2/releases /var/www/dev/guestbook2/shared /var/www/dev/guestbook2/shared/system /var/www/dev/guestbook2/shared/log /var/www/dev/guestbook2/shared/pids" servers: ["dev.andrewbucknell.com"] Enter passphrase for /home/andrew/.ssh/id_dsa: Enter passphrase for /home/andrew/.ssh/id_dsa: [dev.andrewbucknell.com] executing command command finished andrew@melb-web:~/projects/rails/guestbook2$ cap deploy:check * executing `deploy:check' * executing "test -d /var/www/dev/guestbook2/releases" servers: ["dev.andrewbucknell.com"] Enter passphrase for /home/andrew/.ssh/id_dsa: [dev.andrewbucknell.com] executing command command finished * executing "test -w /var/www/dev/guestbook2" servers: ["dev.andrewbucknell.com"] [dev.andrewbucknell.com] executing command command finished * executing "test -w /var/www/dev/guestbook2/releases" servers: ["dev.andrewbucknell.com"] [dev.andrewbucknell.com] executing command command finished * executing "which git" servers: ["dev.andrewbucknell.com"] [dev.andrewbucknell.com] executing command command finished * executing "test -w /var/www/dev/guestbook2/shared" servers: ["dev.andrewbucknell.com"] [dev.andrewbucknell.com] executing command command finished You appear to have all necessary dependencies installed andrew@melb-web:~/projects/rails/guestbook2$ cap deploy:migrations * executing `deploy:migrations' * executing `deploy:update_code' updating the cached checkout on all servers executing locally: "git ls-remote [email protected]:/home/andrew/git/guestbook2.git master" Enter passphrase for key '/home/andrew/.ssh/id_dsa': * executing "if [ -d /var/www/dev/guestbook2/shared/cached-copy ]; then cd /var/www/dev/guestbook2/shared/cached-copy && git fetch origin && git reset --hard 369c5e04aaf83ad77efbfba0141001ac90915029 && git clean -d -x -f; else git clone [email protected]:/home/andrew/git/guestbook2.git /var/www/dev/guestbook2/shared/cached-copy && cd /var/www/dev/guestbook2/shared/cached-copy && git checkout -b deploy 369c5e04aaf83ad77efbfba0141001ac90915029; fi" servers: ["dev.andrewbucknell.com"] Enter passphrase for /home/andrew/.ssh/id_dsa: [dev.andrewbucknell.com] executing command ** [dev.andrewbucknell.com :: err] Permission denied, please try again. ** Permission denied, please try again. ** Permission denied (publickey,password). ** [dev.andrewbucknell.com :: err] fatal: The remote end hung up unexpectedly ** [dev.andrewbucknell.com :: out] Initialized empty Git repository in /var/www/dev/guestbook2/shared/cached-copy/.git/ command finished failed: "sh -c 'if [ -d /var/www/dev/guestbook2/shared/cached-copy ]; then cd /var/www/dev/guestbook2/shared/cached-copy && git fetch origin && git reset --hard 369c5e04aaf83ad77efbfba0141001ac90915029 && git clean -d -x -f; else git clone [email protected]:/home/andrew/git/guestbook2.git /var/www/dev/guestbook2/shared/cached-copy && cd /var/www/dev/guestbook2/shared/cached-copy && git checkout -b deploy 369c5e04aaf83ad77efbfba0141001ac90915029; fi'" on dev.andrewbucknell.com andrew@melb-web:~/projects/rails/guestbook2$ The following fragment is from cap -d deploy:migrations Preparing to execute command: "find /var/www/dev/guestbook2/releases/20100305124415/public/images /var/www/dev/guestbook2/releases/20100305124415/public/stylesheets /var/www/dev/guestbook2/releases/20100305124415/public/javascripts -exec touch -t 201003051244.22 {} ';'; true" Execute ([Yes], No, Abort) ? |y| yes * executing `deploy:migrate' * executing "ls -x /var/www/dev/guestbook2/releases" Preparing to execute command: "ls -x /var/www/dev/guestbook2/releases" Execute ([Yes], No, Abort) ? |y| yes /usr/lib/ruby/gems/1.8/gems/capistrano-2.5.17/lib/capistrano/recipes/deploy.rb:55:in `join': can't convert nil into String (TypeError) from /usr/lib/ruby/gems/1.8/gems/capistrano-2.5.17/lib/capistrano/recipes/deploy.rb:55:in `load'

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  • On saving an new active record, in what order are the associated objects saved?

    - by Bryan
    In rails, when saving an active_record object, its associated objects will be saved as well. But has_one and has_many association have different order in saving objects. I have three simplified models: class Team < ActiveRecord::Base has_many :players has_one :coach end class Player < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end class Coach < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end I expected that when team.save is called, team should be saved before its associated coach and players. I use the following code to test these models: t = Team.new team.coach = Coach.new team.save! team.save! returns true. But in another test: t = Team.new team.players << Player.new team.save! team.save! gives the following error: > ActiveRecord::RecordInvalid: > Validation failed: Players is invalid I figured out that team.save! saves objects in the following order: 1) players, 2) team, and 3) coach. This is why I got the error: When a player is saved, team doesn't yet have a id, so validates_presence_of :team_id fails in player. Can someone explain to me why objects are saved in this order? This seems not logical to me.

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  • Saving an active record, in what order are the associated objects saved?

    - by Bryan
    In rails, when saving an active_record object, its associated objects will be saved as well. But has_one and has_many association have different order in saving objects. I have three simplified models: class Team < ActiveRecord::Base has_many :players has_one :coach end class Player < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end class Coach < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end I expected that when team.save is called, team should be saved before its associated coach and players. I use the following code to test these models: t = Team.new team.coach = Coach.new team.save! team.save! returns true. But in another test: t = Team.new team.players << Player.new team.save! team.save! gives the following error: > ActiveRecord::RecordInvalid: > Validation failed: Players is invalid I figured out that team.save! saves objects in the following order: 1) players, 2) team, and 3) coach. This is why I got the error: When a player is saved, team doesn't yet have a id, so validates_presence_of :team_id fails in player. Can someone explain to me why objects are saved in this order? This seems not logical to me.

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  • Howto WCF Service HTTPS Binding and Endpoint Configuration in IIS with Load Balancer?

    - by Mike G
    We have a WCF service that is being hosted on a set of 12 machines. There is a load balancer that is a gateway to these machines. Now the site is setup as SSL; as in a user accesses it through using an URL with https. I know this much, the URL that addresses the site is https, but none of the servers has a https binding or is setup to require SSL. This leads me to believe that the load balancer handles the https and the connection from the balancer to the servers are unencrypted (this takes place behind the firewall so no biggie there). The problem we're having is that when a Silverlight client tries to access a WCF service it is getting a "Not Found" error. I've set up a test site along with our developer machines and have made sure that the bindings and endpoints in the web.config work with the client. It seems to be the case in the production environment that we get this error. Is there anything wrong with the following web.config? Should we be setting up how https is handled in a different manner? We're at a loss on this currently since I've tried every programmatic solution with endpoints and bindings. None of the solutions I have found deal with a load balancer in the manner we're dealing. Web.config service model info: <system.serviceModel> <behaviors> <serviceBehaviors> <behavior name="TradePMR.OMS.Framework.Services.CRM.CRMServiceBehavior"> <serviceMetadata httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> <behavior name="TradePMR.OMS.Framework.Services.AccountAggregation.AccountAggregationBehavior"> <serviceMetadata httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> </serviceBehaviors> </behaviors> <bindings> <customBinding> <binding name="SecureCRMCustomBinding"> <binaryMessageEncoding /> <httpsTransport /> </binding> <binding name="SecureAACustomBinding"> <binaryMessageEncoding /> <httpsTransport /> </binding> </customBinding> <mexHttpsBinding> <binding name="SecureMex" /> </mexHttpsBinding> </bindings> <serviceHostingEnvironment aspNetCompatibilityEnabled="true" /> <!--Defines the services to be used in the application--> <services> <service behaviorConfiguration="TradePMR.OMS.Framework.Services.CRM.CRMServiceBehavior" name="TradePMR.OMS.Framework.Services.CRM.CRMService"> <endpoint address="" binding="customBinding" bindingConfiguration="SecureCRMCustomBinding" contract="TradePMR.OMS.Framework.Services.CRM.CRMService" name="SecureCRMEndpoint" /> <!--This is required in order to be able to use the "Update Service Reference" in the Silverlight application--> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> <service behaviorConfiguration="TradePMR.OMS.Framework.Services.AccountAggregation.AccountAggregationBehavior" name="TradePMR.OMS.Framework.Services.AccountAggregation.AccountAggregation"> <endpoint address="" binding="customBinding" bindingConfiguration="SecureAACustomBinding" contract="TradePMR.OMS.Framework.Services.AccountAggregation.AccountAggregation" name="SecureAAEndpoint" /> <!--This is required in order to be able to use the "Update Service Reference" in the Silverlight application--> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> </system.serviceModel> </configuration> The ServiceReferences.ClientConfig looks like this: <configuration> <system.serviceModel> <bindings> <customBinding> <binding name="StandardAAEndpoint"> <binaryMessageEncoding /> <httpTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" /> </binding> <binding name="SecureAAEndpoint"> <binaryMessageEncoding /> <httpsTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" /> </binding> <binding name="StandardCRMEndpoint"> <binaryMessageEncoding /> <httpTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" /> </binding> <binding name="SecureCRMEndpoint"> <binaryMessageEncoding /> <httpsTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" /> </binding> </customBinding> </bindings> <client> <endpoint address="https://Service2.svc" binding="customBinding" bindingConfiguration="SecureAAEndpoint" contract="AccountAggregationService.AccountAggregation" name="SecureAAEndpoint" /> <endpoint address="https://Service1.svc" binding="customBinding" bindingConfiguration="SecureCRMEndpoint" contract="CRMService.CRMService" name="SecureCRMEndpoint" /> </client> </system.serviceModel> </configuration> (The addresses are of no consequence since those are dynamically built so that they will point to a dev's machine or to the production server)

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  • How should secret files be pushed to an EC2 (on AWS) Ruby on Rails application?

    - by nikc
    How should secret files be pushed to an EC2 Ruby on Rails application using amazon web services with their elastic beanstalk? I add the files to a git repository, and I push to github, but I want to keep my secret files out of the git repository. I'm deploying to aws using: git aws.push The following files are in the .gitignore: /config/database.yml /config/initializers/omniauth.rb /config/initializers/secret_token.rb Following this link I attempted to add an S3 file to my deployment: http://docs.amazonwebservices.com/elasticbeanstalk/latest/dg/customize-containers.html Quoting from that link: Example Snippet The following example downloads a zip file from an Amazon S3 bucket and unpacks it into /etc/myapp: sources: /etc/myapp: http://s3.amazonaws.com/mybucket/myobject Following those directions I uploaded a file to an S3 bucket and added the following to a private.config file in the .elasticbeanstalk .ebextensions directory: sources: /var/app/current/: https://s3.amazonaws.com/mybucket/config.tar.gz That config.tar.gz file will extract to: /config/database.yml /config/initializers/omniauth.rb /config/initializers/secret_token.rb However, when the application is deployed the config.tar.gz file on the S3 host is never copied or extracted. I still receive errors that the database.yml couldn't be located and the EC2 log has no record of the config file, here is the error message: Error message: No such file or directory - /var/app/current/config/database.yml Exception class: Errno::ENOENT Application root: /var/app/current

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