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• Rainbows and Unicorns at the Devoxx OTN Hack Fest

  - by Tori Wieldt

  At the OTN Hack Fest at Devoxx, several developers did their first "hello world" with the Internet of Things (IoT). They had fun and built basic applications with Java Embedded, Raspberry Pi and Leap Motion controllers. Experts Yara & Vinicius Senger and Geert Bevin provided the basics and support. Geert Bevin did a bit of hacking too. Check out this video to see what he came up with a short amount of time: &amp;amp;amp;amp;lt;span id=&amp;amp;amp;amp;quot;XinhaEditingPostion&amp;amp;amp;amp;quot;&amp;amp;amp;amp;gt;&amp;amp;amp;amp;lt;/span&amp;amp;amp;amp;gt; Learn more about Java Embedded at the Oracle Technology Network. 

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• Virtual Developer Day - EMEA-friendly time

  - by Tori Wieldt

  OTN's Virtual Developer Day lets you learn about the latest technical improvements in Java without leaving your desk/couch/park bench. Watch informative tutorials on your laptop and improve your Java programming expertise and engage in live chat sessions with Java experts, all for FREE.  OTN Virtual Developer Day: Java Europe/Africa/Middle East - June 25 09:00 to 13:00 BST / 10:00 to 14:00 CEST / 13:30 to 17:30 IST / 12:00 to 16:00 MSK / 08:00 to 12:00 Corresponding UTC (GMT) After a short keynote, you can dive into one of these three tracks:  Java SE 8 Track Learn about the features scheduled for Java SE 8, including Lambda expressions, extension methods for interfaces and a new Date and Time API. Learn how to create basic apps with JavaFX.  Java EE Track Take a close look at the new functionality in Java EE 7. Get presentations and demos on JSON, WebSockets, Batch, Concurrency, JAX-RS 2, JMS 2,  Java Embedded Track Provides an introductions to the Raspberry Pi, the Keil board, ARM architecture, and how to make it all work with Java Embedded. You know Java, now really know Java. Register now!

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• Java Embedded @ JavaOne

  - by Tori Wieldt

  Developers, tell your manager (or the other half of your developer-entrepreneur self) about this new event being held Wednesday, Oct. 3th and Thursday, Oct. 4th in San Francisco at the Hotel Nikko (during JavaOne).Java Embedded @ JavaOne is designed to provide business and technical decision makers, as well as Java embedded ecosystem partners, a unique occasion to come together and learn about how they can use Java Embedded technologies for new business opportunities. The ideal audience for this event is business and technical decision makers (e.g. System Integrators, CTO, CXO, Chief Architects/Architects, Business Development Managers, Project Managers, Purchasing managers, Technical Leads, Senior Decision Makers, Practice Leads, R&D Heads, and Development Managers/Leads).A call for papers has gone out, but is ONLY for business-focused submissions. Event organizers are looking for best practices, case studies and panel discussions on emerging opportunities in the Java embedded space. Please consider submitting a paper. The deadline for submission is July 18.Attendees of both JavaOne and Oracle Openworld can attend Java Embedded @ JavaOne by purchasing a $100.00 USD upgrade to their full conference pass. Rates for attending Embedded @ JavaOne alone are here.

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• How do I get my programs to communicate with each other

  - by Benjamin Lindqvist

  I'm basically just getting started with programming. The problem I have with progressing is that I have a hard time learning stuff just for the sake of knowing them - I do better when there's a problem to be solved or a task to be completed so I can learn 'on the job'. So I'm interested in starting some interesting project. I know the basics of Python, Java, Matlab and some C++ aswell and I know enough about microcontrollers to make LED blink etc. The type of stuff I'm looking for is for example scraping some weather forecast site (with Python) and outputting the chance of rain to a LCD display, or a program that makes chrome open and log in to facebook if I say "HAL, time for facebook", or more generally, a program that reads serial/USB input, looks for certain sequences and sends instructions to some other program if it finds one. Do you open some kind of shared stream in which one program reads and one writes? What do I need to read up on to do accomplish this myself? I have no experience with linux or the linux terminal, but looking over peoples shoulders makes me suspect that's what people use. Is that correct?

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• JavaOne Latin America 2011: Keynotes, Sessions, Hands-on Lab, Geek Bike Ride, etc.

  - by arungupta

  After a very successful JavaOne San Francisco, the first JavaOne on the road for 2011 is heading to Latin America next week. There are 59 sessions delivered by several rock star speakers and with 60% sessions delivered by the local community. There are strategy, technical and community keynotes. The community keynote on Thursday will particularly be lot of fun with appearances from Java Champions, JUG leaders, jHome, and several others. Also check out the Exhibitor Floor Plan and don't forget to Register! The complete session schedule gives an overview for the list of technical sessions and hands-on lab. There are several Java EE, GlassFish, and WebLogic sessions and are highlighted below: Tuesday, Dec 6 Oracle WebLogic Server XML-Free Programming: Java Server and Client Development without <> Java EE Application in Production: Tips and Tricks to achieve zero downtime Web Applications and Wicket Scala on GlassFish and Java EE 6 REST and Java best practices, issues and solutions for the Enterprise Building a RESTful Web Application with JAX-RS and Ext JS 4 Wednesday, Dec 7 Oracle GlassFish Server in the Virtual World JAX-RS 2.0: What's in JSR 339 ? JSF 343: What's coming in Java Message Service 2.0 ? The Great News of JSF 2.0! Thursday, Dec 8 Servlet 3.1 Update Develop, Deploy, and Monitor a Java EE 6 Application with Clustered GlassFish 3.1 Migrating from EJB/SOAP to REST with JAX-RS: The Case of the Central Bank of Brazil GlassFish REST Administration Back End: An Insider look at a real REST Application Scripting and Agile Java EE Applications with Jython And this is Brazil so a fun element is important. There are the usual Caiprihinas, Churrascaria, late night social dinners, community engagement, and multiple other fun activities. Fabiane Nardon and SOUJava gang are also organizing a Geek Bike Ride on the Sunday (Dec 4th) before JavaOne. The 20k ride (map) starts at 7am and goes through the streets of Sao Paulo. This is an opportunity to meet some of the JavaOne speakers and attendees outside the conference. They've even designed a t-shirt and 32 geeks have signed up so far. I'm glad my discussion with Fabiane during FISL early this year for arranging this bike ride is finally taking shape! I'm definitely looking forward to it and will be bringing nice fruity Odwalla bars for all the riders. Be there to ride with me and many others :-) Stay updated by following @oracledobrasil and @javaoneconf. I'll be there, will you ? Don't wait and register now! And in case you are interested in reading about the experience from last year ... it was lot of fun! Just check out a collage of pictures yourself ... And the complete album at:

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• NetBeans 7.1 RC1 now available - JavaFX 2, Enhanced Java Editor, Improved JavaEE, WebLogic 12 support

  - by arungupta

  NetBeans 7.1 RC1 is now available! What's new in NetBeans 7.1 ? Support for JavaFX 2 Full compile/debug/profile development cycle Many editor enhancements Deployment tools  Customized UI controls using CSS3 Enhanced Java editor Upgrade projects completely to JDK 7 Import statement organizer Rectangular block selection Getters/Setters included in refactoring Java EE  50+ CDI improvements RichFaces4 and ICEFaces2 component libraries EJB Timer creation wizard Code completion for table, column, and PU names CSS3, GUI Builder, Git, Maven3, and several other features listed at New and Noteworthy Download and give us your feedback using NetBeans Community Acceptance Testing by Dec 7th. Check out the latest tutorials. To me the best part was creating a Java EE 6 application, deploying on GlassFish, and then re-deploying the same application by changing the target to Oracle WebLogic Server 12c (internal build). And now see the same application deployed to both the servers: Don't miss the Oracle WebLogic Server 12c Launch Event on Dec 1. You can provide additional feedback about NetBeans on mailing lists and forums, file reports, and contact us via Twitter. The final release of NetBeans IDE 7.1 is planned for December.

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• Introducing the new Demantra Guided Resolutions!

  - by user702295

  There is a new method to find your solution called guided resolution or search helper. Currently, we cover 5 specific topical areas: Oracle Demantra 7.x and Above Data Loading Guided Resolution Note 1461899.1 Oracle Demantra Load Data Issues Not Necessarily Error Code Related Guided Resolution Note 1468884.1 Oracle Demantra 7.x and Above Workflow Issues Guided Resolution Note 1353217.1 Oracle Demantra 7.x and Above Worksheet Related Guided Resolution Note 1486639.1 Oracle Demantra 7.x and Above Engine Related Guided Resolution Note 1486634.1 The guides will be updated with the latest proven solutions on a regular basis, keeping the contect relevant. What is a guided resolution?   What is the best practice using a guided resolution? How to Use the Demantra Guided Resolution, a Proactive Services Tutorial.  Note 1473992.1

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• Hack Fest Going Strong!

  - by Yolande Poirier

  Today was the first day of  the Hack Fest at Devoxx, the Java developer conference in Belgium.  The Hack Fest started with the Raspberry Pi & Leap Motion hands-on lab. Vinicius Senger introduced the Java Embedded, Arduino and Raspberry Pi. Java Champion Geert Bevin presented the Leap Motion, a controller sensing your hands and fingers to play games by controlling the mouse as an example. "Programmers are cooler than musicians because they can create entire universe using all senses" explained Geert In teams, participants started building applications using Raspberry Pi, sensors and relays. One team tested the performance of Tomcat, Java EE and Java Embedded Suite on the Raspberry Pi. Another used built an text animation using a LCD screen. Teams are using the Leap Motion to close and open programs on the desktop and other teams are using it as a game control. 

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• It happens only at Devoxx ...

  - by arungupta

  After attending several Java conferences world wide, this was my very first time at Devoxx. Here are some items I found that happens only at Devoxx ... Pioneers of theater-style seating - This not only provides comfortable seating for each attendee but the screens are very clearly visible to everybody in the room. Intellectual level of attendees is very high - Read more explanation on the Java EE 6 lab blog. In short, a lab, 1/3 of the content delivered at Devoxx 2011, could not be completed at other developer days in more than 1/3 the time. Snack box for lunches - Even though this suits well to the healthy lifestyle of multiple-snacks-during-a-day style but leaves attendees hungry sooner in the day. The longer breaks before the next snack in the evening does not help at all. Fortunately, Azure cupcakes and Android ice creams turned out to be handy. I finally carried my own apple :-) Wrist band instead of lanyard - The good part about this is that once tied to your hand then you are less likely to forget in your room. But OTOH you are a pretty much a branded conference attendee all through out the city. It was cost effective as it costed 20c as opposed to 1 euro for the lanyard. Live streaming from theater #8 (the biggest room) on parleys.com All talks recorded and released on parleys.com over next year. This allows attendees to not to miss any session and watch replay at their own leisure. Stephan promised to start sharing the sessions by mid December this year. No need to pre-register for a session - This is true for most of the conferences but bigger rooms (+ overflow room for key sessions) provide sufficient space for all those who want to attend the session. And of course all sessions are available on parleys.com anyway! Community votes on whiteboard - Devoxx attendees gets a chance to vote on topics ranging from their favorite non-Java language, operating system, or love from Oracle. Captured pictures at the end of Day 2 are shown below. Movie on the last but one night - This year it was The Adventures of Tintin and was lots of fun. Fries with mayo - This is a typical Belgian thing. Guys going in ladies room to avoid the long queues ... wow! Tweet wall everywhere and I mean literally everywhere, in rooms, hallways, front desk, and other places. The tweet picking algorithm was not very clear as I never saw my tweet appear on the wall ;-) You can also watch it at wall.devoxx.com. Cozy speaker dinner with great food and wine List of parallel and upcoming sessions displayed on the screen - This makes the information more explicit with the attendees. REST API with multiple mobile clients - This API is also used by some other conferences as well. And there always is iphone.devoxx.com. Steering committee members were recognized multiple times. The committee members were clearly identifiable wearing red hoodies. The wireless SSID was intuitive "Devoxx" but hidden to avoid some crap from Microsoft Windows. All of 9000 addresses were used up most of the times with each attendee having multiple devices. A 1 GB fibre optic cable was stretched to Metropolis to support the required network bandwidth. Stephan is already planning to upgrade the equipment and have a better infrastructure next year. Free water, soda, juice in a cooler Kinect connected to TV screens so that attendees can use their hands to browse through the list of sesssions. #devoxxblog, #devoxxwomen, #devoxxfrance, #devoxxgreat, #devoxxsuggestions And Devoxx attendees are called Devoxxians ... how cool is that ? :-) What other things do you think happen only at Devoxx ? And now the pictures from the community whiteboard: And a more complete album (including bigger pics of community votes) is available below:

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• Session Tracking - Advantages and Disadvantages

  I use to work for a major internet company that sold Dental Plans to customers through their large customer-driven websiteto consumers. They start tracking their users as soon as they hit their web servers, and then they log everything they can about the user. There are a lot of benefits for using session tracking for both the user and the website. Users can benefit from session tracking due to the fact that a website can retain pertaining information for the user so that they do not have to re-enter the same information repeatedly. In addition, websites can hold specific items in a cart for each user so that they can pay for all of their  items at once when they are ready to complete their purchases. Websites can also benefit from session tracking because they can determine where a specific user came from and which advertising partner gave them a sale. This information is very useful when deciding on where to spend an advertising budget. There is only one real disadvantage when it comes to session tracking, Users can not really control what is actually tracked by a website. Yes, they can disable cookies and this will help, but that means that no tracking can be done at all. Most sites require users to have cookies enabled in order for users to make purchases or login to their accounts.  

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• Devoxx Belgium - CFP Closes On July 5th

  - by Yolande Poirier

  The biggest Java conference in Europe is taking place in Antwerp, Belgium from November 11 to 15, 2013. The conference is designed by developers for developers and attracts renowned international speakers. The review committee looks for passionate speakers who are technically knowledgeable and not afraid to speak in front of a full room of Devoxxians. The speakers can increase CFP acceptance rate by submitting one or more talks for Tools in Action, Quickie, BOF, University session, Conference and Hands On Labs sessions.

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• Call for Papers for both Devoxx UK and France now open!

  - by Yolande

  Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} The two conferences are taking place the last week of March 2013 with London on March 26th and 27 and Paris on March 28th and 29th. Oracle fully supports "Devoxx UK" and "Devoxx France" as a European Platinum Partner. Submit proposals and participate in both conferences since they are a two-hour train ride away from one another. The Devoxx conferences are designed “for developers by developers.” The conference committees are looking for speakers who are passionate developers unafraid to share their knowledge of Java, mobile, web and beyond. The sessions are about frameworks, tools and development with in-depth conference sessions, short practical quickies, and bird-of-a-feather discussions. Those different formats allow speakers to choose the best way to present their topics and can be mentioned during the submission process Devoxx has proven its success under Stephan Janssen, organizer of Devoxx in Belgium for the past 11 years. Devoxx has been the biggest Java conference in Europe for many years. To organize those local conferences, Stephan has enrolled the top community leaders in the UK and France. Ben Evans and Martijn Verberg are the leaders of London Java User Group (JUG) and are also known internationally for starting the Adopt-a-JSR program. Antonio Goncalves is the leader of the Paris JUG. He organized last year’s Devoxx France, which was a big success with twice the size first expected. The organizers made sure to add the local character to the conferences. "The community energy has to feel right," said Ben Evans and for that he picked an "old Victoria hall" for the venue. Those leaders are part of very dynamic Java communities in France and in the UK. France has 22 JUGs; the Paris JUG alone has 2,000 members. The UK has over 50,000 developers working in London and its surroundings; a lot of them are Java developers working in the financial industry. The conference fee is kept as low as possible to encourage those developers to attend. Devoxx promises to be crowded and sold out in advance. Make sure to submit your talks to both Devoxx UK and France before January 31st, 2013. 

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• Tech Article: Tired of Null Pointer Exceptions? Use Java SE 8's Optional!

  - by Tori Wieldt

  A wise man once said you are not a real Java programmer until you've dealt with a null pointer exception. The null reference is the source of many problems because it is often used to denote the absence of a value. Java SE 8 introduces a new class called java.util.Optional that can alleviate some of these problems. In the tech article "Tired of Null Pointer Exceptions? Use Java SE 8's Optional!" Java expert Raoul-Gabriel Urma shows you how to make your code more readable and protect it against null pointer exceptions. Urma explains "The purpose of Optional is not to replace every single null reference in your codebase but rather to help design better APIs in which—just by reading the signature of a method—users can tell whether to expect an optional value. In addition, Optional forces you to actively unwrap an Optional to deal with the absence of a value; as a result, you protect your code against unintended null pointer exceptions." Learn how to go from writing painful nested null checks to writing declarative code that is composable, readable, and better protected from null pointer exceptions. Read "Tired of Null Pointer Exceptions? Use Java SE 8's Optional!"

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• Blog on hiatus once more

  - by Steven Chan

  I am off for a much-needed vacation, so this blog is going on hiatus until mid-June.  You're welcome to post comments and questions; they'll be reviewed and approved for publication in my absence.  However, I won't be publishing any new articles until my return.See you in a few weeks.

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• EMEA Partner Community for Hardware at OpenWorld!

  - by Giuseppe Facchetti

  If you are going to OpenWorld next September, do not miss the opportunity to meet the key EMEA Resellers driving Hardware growth! EMEA Partner Community for Hardware Partner Success Stories & Program UpdatesThe key appointment at OOW for EMEA Hardware Partners This interactive session, dedicated to EMEA partners interested in growing their Servers and Storage business, will open with Oracle EMEA Executives sharing their thoughts on Hardware latest news, announcements, and related EMEA partner programs -- and how to leverage them in the EMEA market. And the core of the session will feature a few EMEA partners sharing their recent successes in using Oracle Hardware as the infrastructure for mission critical solutions that solve key customer business issues -- and help EMEA customers (and partners!) grow their business. Details and logistics: Make sure you register for OPN Exchange @ OpenWorld and check the Content Catalog. Contact: [email protected]

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• Need to Determine the Engine Status?

  - by user702295

  If you need to establish the status of the engine, begin with this SQL: select status, engine, engine_version,fore_column_name from dm.forecast_history The status of an engine run is stored in the FORECAST_HISTORY table, in the “status” field.  We can also find in that table the FORE_COLUMN_NAME field. This field includes the name of the column in SALES_DATA in which the relevant forecast is stored. Here are the possible statuses: -1, -2 : The engine failed in the initialization phase.  Which means, before the engine manager created the engines.  0 : The engine stopped in the optimization phase.  Which means, after the engines were created.  1: The engine finished the run successfully.  2: Forecast was never calculated for the relevant column that is mentioned in FORE_COLUMN_NAME.  

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• How to do thread management in C++?

  - by Dipan Mehta

  We use pthread for thread management in C based systems. pthread is in general compilable by C++ compiler (like g++). However, what are the better ways of abstractions for threads in C++? Also, for making any system to be working in a multi-threaded system, it is also important to make thread safe. What are the standard libraries that requires alternative (installs) to be thread safe or are they unsafe for multi-threaded environments? Is smart pointers, templates require special measures to make it safe? What are the best practices for the thread managements in C++?

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• Unteachable Disaster Recovery Techniques

  There are some skills which are extensions of your instincts, and which you can only learn though years of experience. Matt Simmons has this brought home by the fact that he was recently minutes away from a data-loss disaster, and he doesn't quite know how he prevented it.

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• Server-Sent Events using GlassFish (TOTD #179)

  - by arungupta

  Bhakti blogged about Server-Sent Events on GlassFish and I've been planning to try it out for past some days. Finally, I took some time out today to learn about it and build a simplistic example showcasing the touch points. Server-Sent Events is developed as part of HTML5 specification and provides push notifications from a server to a browser client in the form of DOM events. It is defined as a cross-browser JavaScript API called EventSource. The client creates an EventSource by requesting a particular URL and registers an onmessage event listener to receive the event notifications. This can be done as shown var url = 'http://' + document.location.host + '/glassfish-sse/simple';eventSource = new EventSource(url);eventSource.onmessage = function (event) { var theParagraph = document.createElement('p'); theParagraph.innerHTML = event.data.toString(); document.body.appendChild(theParagraph);} This code subscribes to a URL, receives the data in the event listener, adds it to a HTML paragraph element, and displays it in the document. This is where you'll parse JSON and other processing to display if some other data format is received from the URL. The URL to which the EventSource is subscribed to is updated on the server side and there are multipe ways to do that. GlassFish 4.0 provide support for Server-Sent Events and it can be achieved registering a handler as shown below: @ServerSentEvent("/simple")public class MySimpleHandler extends ServerSentEventHandler { public void sendMessage(String data) { try { connection.sendMessage(data); } catch (IOException ex) { . . . } }} And then events can be sent to this handler using a singleton session bean as shown: @Startup@Statelesspublic class SimpleEvent { @Inject @ServerSentEventContext("/simple") ServerSentEventHandlerContext<MySimpleHandler> simpleHandlers; @Schedule(hour="*", minute="*", second="*/10") public void sendDate() { for(MySimpleHandler handler : simpleHandlers.getHandlers()) { handler.sendMessage(new Date().toString()); } }} This stateless session bean injects ServerSentEventHandlers listening on "/simple" path. Note, there may be multiple handlers listening on this path. The sendDate method triggers every 10 seconds and send the current timestamp to all the handlers. The client side browser simply displays the string. The HTTP request headers look like: Accept: text/event-streamAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3Accept-Encoding: gzip,deflate,sdchAccept-Language: en-US,en;q=0.8Cache-Control: no-cacheConnection: keep-aliveCookie: JSESSIONID=97ff28773ea6a085e11131acf47bHost: localhost:8080Referer: http://localhost:8080/glassfish-sse/faces/index2.xhtmlUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.54 Safari/536.5 And the response headers as: Content-Type: text/event-streamDate: Thu, 14 Jun 2012 21:16:10 GMTServer: GlassFish Server Open Source Edition 4.0Transfer-Encoding: chunkedX-Powered-By: Servlet/3.0 JSP/2.2 (GlassFish Server Open Source Edition 4.0 Java/Apple Inc./1.6) Notice, the MIME type of the messages from server to the client is text/event-stream and that is defined by the specification. The code in Bhakti's blog can be further simplified by using the recently-introduced Twitter API for Java as shown below: @Schedule(hour="*", minute="*", second="*/10") public void sendTweets() { for(MyTwitterHandler handler : twitterHandler.getHandlers()) { String result = twitter.search("glassfish", String.class); handler.sendMessage(result); }} The complete source explained in this blog can be downloaded here and tried on GlassFish 4.0 build 34. The latest promoted build can be downloaded from here and the complete source code for the API and implementation is here. I tried this sample on Chrome Version 19.0.1084.54 on Mac OS X 10.7.3.

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• On-demand Webcast: Java in the Smart Grid

  - by Jacob Lehrbaum

  The Smart Grid is one of the most significant evolutions of our utility infrastructure in recent history. This innovative grid will soon revolutionize how utilities manage and control the energy in our homes--helping utilities reduce energy usage during peak hours, improve overall energy efficiency, and lower your energy bills. If you'd like to learn more about the Smart Grid and the role that Java is poised to play in this important initiative you can check out our on-demand webcast. We'll show you how Java solutions--including Java ME and Java SE for Embedded --can help build devices and infrastructure that take advantage of this new market. As the world's most popular developer language, Java enables you to work with a wide range of developers and provides access to tools and resources to build smarter devices, faster and more affordably.

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• New ZFS Encryption features in Solaris 11.1

  - by darrenm

  Solaris 11.1 brings a few small but significant improvements to ZFS dataset encryption.  There is a new readonly property 'keychangedate' that shows that date and time of the last wrapping key change (basically the last time 'zfs key -c' was run on the dataset), this is similar to the 'rekeydate' property that shows the last time we added a new data encryption key. $ zfs get creation,keychangedate,rekeydate rpool/export/home/bob NAME PROPERTY VALUE SOURCE rpool/export/home/bob creation Mon Mar 21 11:05 2011 - rpool/export/home/bob keychangedate Fri Oct 26 11:50 2012 local rpool/export/home/bob rekeydate Tue Oct 30 9:53 2012 local The above example shows that we have changed both the wrapping key and added new data encryption keys since the filesystem was initially created.  If we haven't changed a wrapping key then it will be the same as the creation date.  It should be obvious but for filesystems that were created prior to Solaris 11.1 we don't have this data so it will be displayed as '-' instead. Another change that I made was to relax the restriction that the size of the wrapping key needed to match the size of the data encryption key (ie the size given in the encryption property).  In Solaris 11 Express and Solaris 11 if you set encryption=aes-256-ccm we required that the wrapping key be 256 bits in length.  This restriction was unnecessary and made it impossible to select encryption property values with key lengths 128 and 192 when the wrapping key was stored in the Oracle Key Manager.  This is because currently the Oracle Key Manager stores AES 256 bit keys only.  Now with Solaris 11.1 this restriciton has been removed. There is still one case were the wrapping key size and data encryption key size will always match and that is where they keysource property sets the format to be 'passphrase', since this is a key generated internally to libzfs and to preseve compatibility on upgrade from older releases the code will always generate a wrapping key (using PKCS#5 PBKDF2 as before) that matches the key length size of the encryption property. The pam_zfs_key module has been updated so that it allows you to specify encryption=off. There were also some bugs fixed including not attempting to load keys for datasets that are delegated to zones and some other fixes to error paths to ensure that we could support Zones On Shared Storage where all the datasets in the ZFS pool were encrypted that I discussed in my previous blog entry. If there are features you would like to see for ZFS encryption please let me know (direct email or comments on this blog are fine, or if you have a support contract having your support rep log an enhancement request).

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• Java Champion Dick Wall Explores the Virtues of Scala (otn interview)

  - by Janice J. Heiss

  In a new interview up on otn/java, titled “Java Champion Dick Wall on the Virtues of Scala (Part 2),” Dick Wall explains why, after a long career in programming exploring Lisp, C, C++, Python, and Java, he has finally settled on Scala as his language of choice. From the interview: “I was always on the lookout for a language that would give me both Python-like productivity and simplicity for just writing something and quickly having it work and that also offers strong performance, toolability, and type safety (all of which I like in Java). Scala is simply the first language that offers all those features in a package that suits me. Programming in Scala feels like programming in Python (if you can think it, you can do it), but with the benefit of having a compiler looking over your shoulder and telling you that you have the wrong type here or the wrong method name there.The final ‘aha!’ moment came about a year and a half ago. I had a quick task to complete, and I started writing it in Python (as I have for many years) but then realized that I could probably write it just as fast in Scala. I tried, and indeed I managed to write it just about as fast.”Wall makes the remarkable claim that once Java developers have learned to work in Scala, when they work on large projects, they typically find themselves more productive than they are in Java. “Of course,” he points out, “people are always going to argue about these claims, but I can put my hand over my heart and say that I am much more productive in Scala than I was in Java, and I see no reason why the many people I know using Scala wouldn’t say the same without some reason.”Read the interview here.

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• Test your internet connection - Emtel Fixed Broadband

  Already at the begin of April, I had a phone conversation with my representative at Emtel Ltd. about some upcoming issues due to the ongoing construction work in my neighbourhood. Unfortunately, they finally raised the house two levels above ours, and of course this has to have a negative impact on the visibility between the WiMAX outdoor unit on the roof and the aimed access point at Medine. So, today I had a technical team here to do a site survey and to come up with potential solutions. Short version: It doesn't look good after all. The site survey Well, the two technicians did their work properly, even re-arranged the antenna to check the connection with another end point down at La Preneuse. But no improvements. Looks like we are out of luck since the construction next door hasn't finished yet and at the moment, it even looks like they are planning to put at least one more level on top. I really wonder about the sanity of the responsible bodies at the local district council. But that's another story. Anyway, the outdoor unit was once again pointed towards Medine and properly fixed with new cable guides (air from the sea and rust...). Both of them did a good job and fine-tuned the reception signal to a mere 3 over 9; compared to the original 7 over 9 I had before the daily terror started. The site survey has been done, and now it's up to Emtel to come up with (better) solutions. Well, I wouldn't mind to have an unlimited, symmetric 3G/UMTS or even LTE connection. Let's see what they can do... Testing the connection There are several online sites available which offer you to check certain aspects of your internet connection. Personally, I'm used to speedtest.net and it works very well. I think it is good and necessary to check your connection from time to time, and only a couple of days ago, I posted the following on Emtel's wall at Facebook (21.05.2013 - 14:06 hrs): Dear Emtel, could you eventually provide an answer on the miserable results of SpeedTest? I chose Rose Hill (Hosted by Emtel Ltd.) as testing endpoint... Sadly, no response to this. Seems that the marketing department is not willing to deal with customers on Facebook. Okay, over at speedtest.net you can use their Flash-based test suite to check your connection to quite a number of servers of different providers world-wide. It's actually very interesting to see the results for different end points and to compare them to each other. The results Following are the results of Rose Hill (hosted by Emtel) and respectively Frankfurt, Germany (hosted by Vodafone DE): Speedtest.net result of 30.05.2013 between Flic en Flac and Rose Hill, Mauritius (Emtel - Fixed Broadband) Speedtest.net result of 30.05.2013 between Flic en Flac and Frankfurt, Germany (Emtel - Fixed Broadband) Luckily, the results are quite similar in terms of connection speed; which is good. I'm currently on a WiMAX tariff called 'Classic Browsing 2', or Fixed Broadband as they call it now, which provides a symmetric line of 768 Kbps (or roughly 0.75 Mbps). In terms of downloads or uploads this means that I would be able to transfer files in either direction with approximately 96 KB/s. Frankly speaking, thanks to compression, my choice of browser and operating system I usually exceed this value and I have download rates up to 120 KB/s - not too bad after all. Only the ping times are a little bit of concern. Due to the difference in distance, or better said based on the number of hubs between the endpoints, they indicate the amount of time that it takes to send a package from your machine to the remote server and get a response back. A lower value is better, and usually the ping is less than 300 ms between Mauritius and Europe. The alternatives in Mauritius Not sure whether I should note this done because for my requirements there are no alternatives to Emtel WiMAX at the moment. It would be great to have your opinion on the situation of internet connectivity in Mauritius. Are there really alternatives? And if so, what are the conditions?

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• Cream of the Crop

  - by KemButller

  JD Edwards has been working hard to ensure that you shouldn't have to work so hard! Yet there are still JD Edwards customers that may not be up to speed on all the new and or improved tools and utilities we have delivered, all designed to make your life easier. So today, I want to share what I consider to be the cream of the crop….those items that every customer should know about and leverage to make ERP life just a little bit (or A LOT) easier! These are my top picks, the cream of a very good crop! Explore and enjoy, and gain some of your time back to do with as you please. · www.runjde.com It’s where to go when you need to know! The Resource Kits available on www.runjde.com provide comprehensive Resource Kits (guides) by user type. The guides provide brief descriptions of the wide array of resources that are available to JD Edwards’s eco system and links to each of those resources. · My Oracle Support (MOS) Information Centers This link will take you to an index that is designed to provide you with simple and quick navigation to the available EnterpriseOne Information Centers. This index provides links to: · EnterpriseOne Application specific Information Centers · EnterpriseOne Tools and Technology Information Centers · EnterpriseOne Performance Information Center · EnterpriseOne 9.1 and 9.0 Information Centers Information Centers give Oracle the ability to aggregate content for a given focus area and present this content in categories for easy browsing by our customers. Information Centers offer a variety of focused dynamic content organized around one or more of the following tasks. · Overview · Use · Troubleshooting · Patching and Maintenance · Install and Configure · Upgrade · Optimize Performance · Security · Certify JD Edwards Newsletters Be in the know by reading the Global Customer Support Product Newsletters. They are PACKED with news and information covering a wide range of topics and news. It is a must read if you want to know what’s happening in the JD Edwards universe! Read the latest EntepriseOne newsletter Read the latest World newsletter Learn How to receive notification when a new newsletter edition is published Oracle Learning Library – (OLL) Oracle Learn Library is the place to go for easy access to JD Edwards Application and Tools training. For a comprehensive view of the training available for a specific product/functional area, explore the Knowledge Paths For Net Change (new feature) training, explore the TOI sessions (TOI stands for Transfer Of Information). Tip: Be sure to experiment with the search filters! · www.upgradejde.com The site designed to help customers and partners with the process of upgrading JD Edwards. The site is a wealth of information, tools and resources designed to assist in the evaluation, planning and execution steps required when upgrading. Of note is the wildly successful upgrade strategy known as “The Art of the Possible” wherein JD Edwards and many of our partners hold free workshops to teach customers how to conduct upgrades in 100 days or less. Equally important is the fact that on www.upgradejde.com, customers can gain visibility into planned enhancements using the Product and Technology Feature Catalogs. The catalogs are great for creating customer specific reports about the net change between older releases and current or planned releases. Examples of other key resources on www.upgradejde.com are the product data base changes between releases, extensibility guides, (formerly known as programmer’s guides), whitepapers, ROI calculators and much more!

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• Oracle IronMan

  - by [email protected]

  http://ironman.oracle.edgesuite.net/ironman2/index.htmlhttp://www.youtube.com/watch?v=y56CbCpXohk

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