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• How do I learn Scheme?

  - by Gautam

  Hey, I'm a relative newbie to programming. I've picked up some very basic Java (File I/O, GUIs, inheritance) and would like to take a look at functional programming - in particular, I would like to learn Scheme. I'm having some trouble finding a Scheme implementation I can understand. Interpreters are weird; I'm not sure how to save my programs and create executables. I've downloaded PLT Scheme, but I would prefer using something less condescending, something similar to NetBeans. Is there a plugin or tool that will allow me to quickly and easily create and manage Scheme programs? All help is appreciated!

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• Best way to access a sqlite database file in a web service.

  - by rogernorling

  First question from me on stack overflow. I have created a java web application containing a web service using netbeans (I hope a web application were the correct choice). I use the web application as is with no extra frameworks. This web service use a sqlite JDBC driver for accessing a sqlite database file. My problem is that the file path end up incorrect when I try to form the JDBC connection string. Also, the working directory is different when deploying and when running JUnit tests. I read somewhere about including the file as a resource, but examples of this were nowhere to be seen. In any case, what is the best way to open the sqlite database, both when the web service is deployed and when I test it "localy"? I don't know much about web services, I just need it to work, so please, help me with the technicalities.

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• using eclipse to connect to remote machine[linux server] using ssh

  - by lalit

  Hi, I am searching out for solution to use any of the IDE's such as Netbeans/ eclipse to run .jsp and .java files from a remote machine using linux as the OS. The .java and .jsp files are on the server . So, an IDE which would let me access the server and let me update the files directly on the server would be great. I use SSH terminal to connect to the server to update and get files. Now, if there was an easier way to just have an access using IDE to the linux remote machine. that would be great. Please let me know regarding the same. Thank you very much for your time. Regards.

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• can constructors actually return Strings?

  - by elwynn

  Hi all, I have a class called ArionFileExtractor in a .java file of the same name. public class ArionFileExtractor { public String ArionFileExtractor (String fName, String startText, String endText) { String afExtract = ""; // Extract string from fName into afExtract in code I won't show here return afExtract; } However, when I try to invoke ArionFileExtractor in another .java file, as follows: String afe = ArionFileExtractor("gibberish.txt", "foo", "/foo"); NetBeans informs me that there are incompatible types and that java.lang.String is required. But I coded ArionFileExtractor to return the standard string type, which is java.lang.string. I am wondering, can my ArionFileExtractor constructor legally return a String? I very much appreciate any tips or pointers on what I'm doing wrong here.

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• The JAR file not open(it open with the winRAR)?

  - by Tofiq

  Hi I'm working with the netbeans and I create a jar file, but it not opened with the java. When I try to open it opened with the winRAR program. This is the MainClass code: public class MainClass { public static void main(String arg[]){ Ludec cal=new Ludec(); cal.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); cal.setSize( 314, 380 ); cal.setLocation(600,150); cal.setVisible( true ); } } It run in the cmd by this command: java -jar "C:\Users\Tofiq\Documents\NetBeansProjects\JavaApplication1\dist\JavaApplication1.jar" but not run by clicking and its error:

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• Failure retrieving contents of directory

  - by Bondye

  Currently I have a couple of websites. My problem is that if I login on 1 specific domain with any of my programs (using notepadd++, FileZilla and Netbeans) the program stops at the content listing. I had it correctly running, (I'm working on a project on this domain for more than a year now) and suddenly I broke it somehow. This only happens on 1 specific domain, all other domains (from other hosts) are working. My colleague (next to me with same ip address) is able to login on this domain. Notepadd++ says: Failure retrieving contents of directory Filezilla says: Failed to retrieve directory listing Netbean popups: Upload files on save failed. (Because I have the setting upload on save enabled.) What I tried: First I thought it's my firewall, I disabled firewall but no result. Also notice that all other domain are working. Maby a blacklist with my ip address? No my colleague has the same ip address. Could anyone help me on this? Notepad++ Log [NppFTP] Everything initialized -> TYPE I Connecting -> Quit 220 ProFTPD 1.3.3e Server ready. -> USER username 331 Password required for domain -> PASS *HIDDEN* 230 User username logged in -> TYPE A 200 Type set to A -> MODE S 200 Mode set to S -> STRU F 200 Structure set to F -> CWD /domains/domain.nl/ 250 CWD command successful Connected -> CWD /domains/domain.nl/ 250 CWD command successful -> PASV 227 Entering Passive Mode (194,247,31,xx,137,xx). -> LIST -al Failure retrieving contents of directory /domains/domain.nl/ Filezilla log Status: Verbinden met 194.247.xx.xx:21... Status: Verbinding aangemaakt, welkomstbericht afwachten... Antwoord: 220 ProFTPD 1.3.3e Server ready. Commando: USER username Antwoord: 331 Password required for username Commando: PASS ******** Antwoord: 230 User username logged in Commando: SYST Antwoord: 215 UNIX Type: L8 Commando: FEAT Antwoord: 211-Features: Antwoord: MDTM Antwoord: MFMT Antwoord: LANG en-US;ja-JP;zh-TW;it-IT;fr-FR;zh-CN;ru-RU;bg-BG;ko-KR Antwoord: TVFS Antwoord: UTF8 Antwoord: AUTH TLS Antwoord: MFF modify;UNIX.group;UNIX.mode; Antwoord: MLST modify*;perm*;size*;type*;unique*;UNIX.group*;UNIX.mode*;UNIX.owner*; Antwoord: PBSZ Antwoord: PROT Antwoord: REST STREAM Antwoord: SIZE Antwoord: 211 End Commando: OPTS UTF8 ON Antwoord: 200 UTF8 set to on Status: Verbonden Status: Mappenlijst ophalen... Commando: PWD Antwoord: 257 "/" is the current directory Commando: TYPE I Antwoord: 200 Type set to I Commando: PASV Antwoord: 227 Entering Passive Mode (194,247,31,xx,xxx,xx). Commando: MLSD Fout: Verbinding verloren Fout: Ontvangen van mappenlijst is mislukt Sorry that it's dutch.

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• Java Spotlight Episode 139: Mark Heckler and José Pereda on JES based Energy Monitoring @MkHeck @JPeredaDnr

  - by Roger Brinkley

  Interview with Mark Heckler and José Pereda on using JavaSE Embedded with the Java Embedded Suite on a RaspberryPI along with a JavaFX client to monitor an energy production system and their JavaOne Tutorial- Java Embedded EXTREME MASHUPS: Building self-powering sensor nets for the IoT Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Java Virtual Developer Day Session Videos Available JavaFX Maven Plugin 2.0 Released JavaFX Scene Builder 1.1 build b28 FXForm 2 release 0.2.2 OpenJDK8/Zero cross compile build for Foundation model HSAIL-based GPU offload: the Quest for Java Performance Begins Progress on Moving to Gradle Java EE 7 Launch Keynote Replay Java EE 7 Technical Breakouts Replay Java EE 7 support in NetBeans 7.3.1 Java EE 7 support in Eclipse 4.3 Java Magazine - May/June Events Jul 16-19, Uberconf, Denver, USA Jul 22-24, JavaOne Shanghai, China Jul 29-31, JVM Language Summit, Santa Clara Sep 11-12, JavaZone, Oslo, Norway Sep 19-20, Strange Loop, St. Louis Sep 22-26 JavaOne San Francisco 2013, USA Feature Interview Mark Heckler is an Oracle Corporation Java/Middleware/Core Tech Engineer with development experience in numerous environments. He has worked for and with key players in the manufacturing, emerging markets, retail, medical, telecom, and financial industries to develop and deliver critical capabilities on time and on budget. Currently, he works primarily with large government customers using Java throughout the stack and across the enterprise. He also participates in open-source development at every opportunity, being a JFXtras project committer and developer of DialogFX, MonologFX, and various other projects. When Mark isn't working with Java, he enjoys writing about his experiences at the Java Jungle website (https://blogs.oracle.com/javajungle/) and on Twitter (@MkHeck). José Pereda is a Structural Engineer working in the School of Engineers in the University of Valladolid in Spain for more than 15 years, and his passion is related to applying programming to solve real problems. Being involved with Java since 1999, José shares his time between JavaFX and the Embedded world, developing commercial applications and open source projects (https://github.com/jperedadnr), and blogging (http://jperedadnr.blogspot.com.es/) or tweeting (@JPeredaDnr) of both. What’s Cool AquaFX 0.1 - Mac OS X skin for JavaFX by Claudine Zillmann DromblerFX adds a docking framework Part 2 of Gerrit’s taming the Nashorn for writing JavaFX apps in Javascript Tool from mihosoft called JSelect for quickly switching JDKs Apache Maven Javadoc Plugin 2.9.1 Released Proposal: Java Concurrency Stress tests (jcstress) Slide-free Code-driven session at SV JUG JavaOne approvals/rejects gone out

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• links for 2010-04-27

  - by Bob Rhubart

  @oracletechnet: Oracle Technology Network Newsletters Revisited "You may find this hard to believe, but some analysts contend that email newsletters are still among the most preferred methods of "information awareness" by developers today. And in our experience, the numbers back it up: subscriptions to Oracle Technology Network newsletters grow organically by 15% every year, even after you take continual list cleanup into account. " -- Justin Kestelyn (tags: oracle otn newsletters developers architects) Sylvain Duloutre: Directory Services as a Web Service Sylvain Duloutre shares a WSDL file he created to deal with issues involved in XML binding generation. (tags: oracle sun wsdl webservices DSEE netbeans jdeveloper) Nick Wooler: Iron-Clad Cloud: Secure Cloud Computing "One solution to the security problem with cloud services can be overcome using Service Oriented Security. The Oracle approach to using Service Oriented Security allows developers to pull from a centralized, authoritative source of identity services. This allows developers to build security into every application from the inside-out. This is critical to ensuring this is done in a standardized manner and most importantly it allows developers to develop without being security experts." -- Nick Wooler (tags: oracle sun security cloud saas) Andy Mulholland: A week of visits; Cisco, HP, Oracle, SAP and VMware (in alphabetical order!) "I now am considering that we should be thinking about ‘clouds’ in virtual way, by which I mean that a succession of virtual ‘clouds’ will need to exist, each possessing specific characteristics that suit certain types of services. Really it’s no different to what we see with servers today. Adding a hypervisor to a server adds new flexibility, but creating a virtualised environment means much more. What I suspect will happen is that we will start to use vendor specific approaches to building what I will term a physical cloud solution using their technology and approach to supporting a specific objective, but with time we will find these physical clouds will interoperate as a fully virtualised cloud environment." -- Andy Mulholland (tags: entarch enterprisearchitecture cloudcomputing virtualization) @fteter: Highlights From The Bright Lights - Tuesday #c10 Oracle Ace Director Floyd Teter of JPL with one last wrap-up of Collaborate 10. (tags: oracle otn collaborate2010 las vegas) Rittman Mead India – Call for very good Oracle BI Developers/Architects "Now that we have an office in India and if you are interested in joining us, do drop us a line at [email protected], and we will be glad to have technical discussions with you. If you are also an Oracle BI, DW or EPM customer looking for help on projects in the Asia-Pacific region, again we’ll be pleased to hear from you and to let you know how we can help." -- Venkatakrishnan J (tags: otn oracle jobs india developers architects software)

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• Java Spotlight Episode 58: Peter Korn and Ofir Leitner on ME Accessibility

  - by Roger Brinkley

  Tweet Interview with Peter Korn and Ofir Leitner on Mobile and Embedded Accessibility. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador and Alexis Moussine-Pouchkine, Java EE Developer Advocate. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Announcing Oracle WebLogic 12c Geronimo 3 beta - Another Apache project now compatible with Java EE 6 NetBeans 7.1 RC1 is out JavaFX links of the weeks JavaFX videos on Parleys: Nicolas Lorain's Introduction to JavaFX 2.0 from JavaOne 2011 & Richard Bair on JavaFX Architecture and Programming Model Events Dec 4, SOUJava Geek Bike Ride 2011, Sao Paulo  Dec 5-7, UKOUG, Birmingham, UK Dec 6-8, Java One Brazil, Sao Paulo Dec 9 UAIJUG, Uberlandia Dec 9 CEJUG, Fortaleza/CE Dec 10 GUJAVA, Florianopolis Dec 10 ALJUG, Maceio/AL Dec 11 Javaneiros, Campo Grande/MS Dec 12 GOJAVA, Goiania/GO Dec 13 RioJUG, Rio de Janeiro Feature interview Peter Korn is Oracle's Accessibility Principal – their senior individual contributor on accessibility. He is also Technical Manager of the AEGIS project, leading an EC-funded €12.6m investment building accessibility into future mainstream ICT (FP7-ICT224348). Mr. Korn co-developed and co-implemented the Java Accessibility API, and developed the Java Access Bridge for Windows. He helped design the open source GNOME Accessibility architecture found on most modern UNIX and GNU/Linux systems, and consulted on accessibility support for OpenOffice.org, Firefox, Thunderbird, and other applications. Prior to Sun/Oracle, Peter co-developed the outSPOKEN for Windows screen reader. Mr. Korn represented Sun/Oracle on TEITAC for the Section 508/255 refresh, co-led the OASIS ODF Accessibility subcommittee, and sits on INCITS V2 where he is contributing to ISO 13066: defining AT-IT interoperability standards including specifically the Java Accessibility API. Ofir Leitner is the architect of one of LWUIT's key features - the HTMLComponent which allows rendering HTML within LWUIT applications and to embed web-flows inside apps. Ofir is also responsible for LWUIT's bidirectional and RTL support and for the accessibility work that is being done these days in LWUIT. Mail Bag What's Cool Devoxx 2011 (Alexis) Eclipsecon Europe Talk by Andrew Overholt: IcedTea & IcedTea-Web Geek bike ride & Rio 500 Twitter followers @JavaSpotlight Show Transcripts Transcript for this show is available here when available.

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• Java Space on Parleys

  - by Yolande Poirier

  Now available! A great selection of JavaOne 2010 and JVM Language Summit 2010 sessions as well as Oracle Technology Network TechCasts on the new Java Space on Parleys website. Oracle partnered with Stephan Janssen, founder of Parleys to make this happen. Parleys website offers a user friendly experience to view online content. You can download some of the talks to your desktop or watch them on the go on mobile devices. The current selection is a well of expertise from top Java luminaries and Oracle experts. JavaOne 2010 sessions: ·        Best practices for signing code by Sean Mullan   ·        Building software using rich client platforms by Rickard Thulin ·        Developing beyond the component libraries by Ryan Cuprak ·        Java API for keyhole markup language by Florian Bachmann ·        Avoiding common user experience anti-patterns by Burk Hufnagel ·        Accelerating Java workloads via GPUs by Gary Frost JVM Languages Summit 2010 sessions: ·      Mixed language project compilation in Eclipse by Andy Clement  ·      Gathering the threads by John Rose  ·      LINQ: language features for concurrency by Neal Gafter  ·      Improvements in OpenJDK useful for JVM languages by Eric Caspole  ·      Symmetric Multilanguage - VM Architecture by Oleg Pliss  Special interviews with Oracle experts on product innovations: ·      Ludovic Champenois, Java EE architect on Glassfish 3.1 and Java EE. ·      John Jullion-Ceccarelli and Martin Ryzl on NetBeans IDE 6.9 You can chose to listen to a section of talks using the agenda view and search for related content while watching a presentation.  Enjoy the Java content and vote on it! 

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• JavaFX 2.0 at Devoxx 2011

  - by Janice J. Heiss

  JavaFX Sessions Abound JavaFX had a big presence at Devoxx 2011 as witnessed by the number of sessions this year given by leading JavaFX movers and shakers.     “JavaFX 2.0 -- A Java Developer's Guide” by Java Champions Stephen Chin and Peter Pilgrim     “JavaFX 2.0 Hands On” by Jasper Potts and Richard Bair     “Animation Bringing your User Interfaces to Life” by Michael Heinrichs and John Yoong (JavaFX development team)     “Complete Guide to Writing Custom Bindings in JavaFX 2.0” by Michael Heinrichs (JavaFX development team)     “Java Rich Clients with JavaFX 2.0” by Jasper Potts and Richard Bair     “JavaFX Properties & Bindings for Experts” (and those who want to become experts) by Michael Heinrichs (JavaFX development team)     “JavaFX Under the Hood” by Richard Bair     “JavaFX Open Mic” with Jasper Potts and Richard Bair With the release of JavaFX 2.0 and Oracle’s move towards an open development model with an open bug database already created, it’s a great time for developers to take the JavaFX plunge. One Devoxx attendee, Mark Stephens, a developer at IDRsolutions blogged about a problem he was having setting up JavaFX on NetBeans to work on his Mac. He wrote: “I’ve tried desperate measures (I even read and reread the instructions) but it did not help. Luckily, I am at Devoxx at the moment and there seem to be a lot of JavaFX gurus here (and it is running on all their Macs). So I asked them… It turns out that sometimes the software does not automatically pickup the settings like it should do if you give it the JavaFX SDK path. The solution is actually really simple (isn’t it always once you know). Enter these values manually and it will work.” He simply entered certain values and his problem was solved. He thanked Java Champion Stephen Chin, “for a great talk at Devoxx and putting me out of my misery.” JavaFX in Java Magazine Over in the November/December 2011 issue of Java Magazine, Oracle’s Simon Ritter, well known for his creative Java inventions at JavaOne, has an article up titled “JavaFX and Swing Integration” in which he shows developers how to use the power of JavaFX to migrate Swing interfaces to JavaFX. The consensus among JavaFX experts is that JavaFX is the next step in the evolution of Java as a rich client platform. In the same issue Java Champion and JavaFX maven James Weaver has an article, “Using Transitions for Animation in JavaFX 2.0”. In addition, Oracle’s Vice President of Java Client Development, Nandini Ramani, provides the keys to unlock the mysteries of JavaFX 2.0 in her Java Magazine interview. Look for the JavaFX community to grow and flourish in coming years.

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• Java Spotlight Episode 78: Jasper Potts on the JavaFX Scene Builder

  - by Roger Brinkley

  Tweet An interview with Jasper Potts about the new JavaFX Scene Builder. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador and Arun Gupta, Java EE Guy. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News JavaFX Scene Builder Developer Preview available for testing. Java EE Unlock the Java EE 6 Platform using NetBeans 7.1 Tuning GlassFish for Production JSF 2.2 Update from Ed Burns John Rose at Microsoft's Lang.NEXT summit Recording of John's Java 8 presentation Jeroen Frijters' presentation on IKVM.NET Martin Odersky's keynote JVM Language Summit 2012 July 30 – August 1; Oracle Santa Clara (same as last year) CFP coming in a few days JVM Language Summit 2011 Presentations & Recordings Proposed development schedule for JDK 8 Say hello to Mathias Axelsson Events April 11, Cleveland JUG, Cleveland, OH April 12, GreenJUG, Greenville, SC April 17-18, JavaOne Russia, Moscow Russia April 18–20, Devoxx France, Paris, France April 17-20, GIDS, Bangalore April 21, Java Summit, Chennai April 26, Mix-IT, Lyon, France, May 3-4, JavaOne India, Hyderabad, India May 5, Bangalore, Pune, ?? - JUG outreach May 7, OTN Developer Day, Mumbai May 8, OTN Developer Day, Delhi Feature InterviewJasper Potts is the Developer Experience Architect for the Java Client Group at Oracle. Responsible for technical design for everything thats sis on the core platform including Controls, Tools, Samples and Blueprints. Formally a lead engineer on the JavaFX & Swing teams working on the new JavaFX UI Controls and Graphics frameworks. Also responsible for designing, developing and presenting demos during the keynotes at JavaOne and Devoxx. A JavaOne Rockstar presenter having presented many sessions on JavaFX and Swing at many conferences. Prior to Sun he founded Xerto a desktop applications company developing Imagery a Java professional photo management application. In this interview Jasper talks about the recently release JavaFX Scene Builder. Mail Bag What’s Cool Contribute to GlassFish in Five Different Ways Stephen Chin and James Weaver join Oracle Adam Bien - Building Java FX 2 Libraries From Source With Maven 3 Paul Sandoz - Java Boomerang Building Jigsaw on Mac OS X using VirtualBox Mandy Chung: Jigsaw for Mac OS X

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• Docky have stopped working since update

  - by Fraekkert

  I'm running Ubuntu 10.10 64-bit. I'm using the Docky ppa, and since the latest update It won't start. If i run it from the terminal, this is what i get: [Info 09:21:19.005] Docky version: 2.1.0 bzr docky r1761 ppa [Info 09:21:19.024] Kernel version: 2.6.35.24 [Info 09:21:19.026] CLR version: 2.0.50727.1433 [Debug 09:21:19.493] [UserArgs] BufferTime = 0 [Debug 09:21:19.494] [UserArgs] MaxSize = 2147483647 [Debug 09:21:19.494] [UserArgs] NetbookMode = False [Debug 09:21:19.494] [UserArgs] NoPollCursor = False [Debug 09:21:19.528] [SystemService] Using org.freedesktop.UPower for battery information [Info 09:21:19.564] [ThemeService] Setting theme: Transparent [Debug 09:21:19.587] [DesktopItemService] Loading remap file '/usr/share/docky/remaps.ini'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'Picasa3.exe' to 'picasa'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'nbexec' to 'netbeans'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'deja-dup-preferences' to 'deja-dup'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'VirtualBox' to 'virtualbox'. [Warn 09:21:19.600] [DesktopItemService] Could not find remap file '/home/lasse/.local/share/docky/remaps.ini'! [Debug 09:21:19.602] [DesktopItemService] Loading desktop item cache '/home/lasse/.cache/docky/docky.desktop.en_DK.utf8.cache'. [Info 09:21:20.101] [DockServices] Dock services initialized. [Debug 09:21:20.134] [DBusManager] DBus Registered: org.gnome.Docky [Debug 09:21:20.142] [DBusManager] DBus Registered: net.launchpad.DockManager Stacktrace: at (wrapper managed-to-native) System.IO.MonoIO.Read (intptr,byte[],int,int,System.IO.MonoIOError&) <IL 0x00012, 0x00062> at (wrapper managed-to-native) System.IO.MonoIO.Read (intptr,byte[],int,int,System.IO.MonoIOError&) <IL 0x00012, 0x00062> at System.IO.FileStream.ReadData (intptr,byte[],int,int) <IL 0x00009, 0x00047> at System.IO.FileStream.RefillBuffer () <IL 0x0001c, 0x0002b> at System.IO.FileStream.ReadByte () <IL 0x00079, 0x000c7> at Mono.Addins.Serialization.BinaryXmlReader.ReadNext () <IL 0x0000b, 0x00031> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x0003c, 0x00053> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x00047, 0x0005f> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x00047, 0x0005f> And this .Skip () continues infinitely, and very fast. I've tried cleaning the cache and reinstalling docky, but without luck.

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• Java Spotlight Episode 111: Bruno Souza @brjavaman and Fabiane Nardon @fabianenardonon StoryTroop @storytroop

  - by Roger Brinkley

  Interview with Bruno Souza and Fabiane Nardon on StoryTroop. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News End of Puplic Updates for JDK 6 Bean Valdiation 1.1 public review approved Two key JSRs accepted in time for JavaEE7 Public_JCP EC_meeting_audio_and materials posted Devoxx UK and Devoxx France CFP open JPA 2.1 Schema Generation WebSocket, Java EE 7, and GlassFish Events Dec 3-5, jDays, Göteborg, Sweden Dec 4-6, JavaOne Latin America, Sao Paolo, Brazil Dec 14-15, IndicThreads, Pune, India JCP Spec Lead Call December on Developing a TCK JCP EC Face to Face Meeting, January 15-16, West Coast USA Feature InterviewBruno Souza is a Java Developer and Open Source Evangelist at Summa Technologies, and a Cloud Expert at ToolsCloud. Nurturing developer communities is a personal passion, and Bruno worked actively with Java, NetBeans, Open Solaris, OFBiz, and many other open source communities. As founder and coordinator of SouJava (The Java Users Society), one of the world's largest Java User Groups, Bruno leaded the expansion of the Java movement in Brazil. Founder of the Worldwide Java User Groups Community, Bruno helped the creation and organization of hundreds of JUGs worldwide. A Java Developer since the early days, Bruno participated in some of the largest Java projects in Brazil.Fabiane Nardon is a computer scientist who is passionate about creating software that will positively change the world we live in. She was the architect of the Brazilian Healthcare Information System, considered the largest JavaEE application in the world and winner of the 2005 Duke's Choice Award. She leaded several communities, including the JavaTools Community at java.net, where 800+ open source projects were born. She is a frequent speaker at conferences in Brazil and abroad, including JavaOne, OSCON, Jfokus, JustJava and more. She’s also the author of several technical articles and member of the program committee of several conferences as JavaOne, OSCON, TDC. She was chosen a Java Champion by Sun Microsystems as a recognition of her contribution to the Java ecosystem. Currently, she works as a tools expert at ToolsCloud and in companies she co-founded, where she is helping to shape new disruptive Internet based services.StoryTroop is a space where we combine multiple perspectives about a story. This creates an understanding of that story like never seen before. Pieces of a story are organized in time and space and anyone can add a different perspective.What’s Cool Geek Bike Ride at JavaOne LAD Devoxx UK (Mar 26, 27) and FR (Mar 27 - 29) CFP jFokus schedule is firming up Nashorn Blog 1,500 @JavaSpotlight Twitter followers

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• Devoxx 2011: Java EE 6 Hands-on Lab Delivered

  - by arungupta

  I, along with Alexis's help, delivered a Java EE 6 hands-on lab to a packed room of about 40+ attendees at Devoxx 2011. The lab was derived from the OTN Developer Days 2012 version but added lot more content to showcase several Java EE 6 technologies. The problem statement from the lab document states: This hands-on lab builds a typical 3-tier Java EE 6 Web application that retrieves customer information from a database and displays it in a Web page. The application also allows new customers to be added to the database as well. The string-based and type-safe queries are used to query and add rows to the database. Each row in the database table is published as a RESTful resource and is then accessed programmatically. Typical design patterns required by a Web application like validation, caching, observer, partial page rendering, and cross-cutting concerns like logging are explained and implemented using different Java EE 6 technologies. The lab covered Java Persistence API 2, Servlet 3, Enterprise JavaBeans 3.1, JavaServer Faces 2, Java API for RESTful Web Services 1.1, Contexts and Dependency Injection 1.0, and Bean Validation 1.0 over 47 pages of detailed self-paced instructions. Here is the complete Table of Contents: The lab can be downloaded from here and requires only NetBeans IDE "All" or "Java EE" version, which includes GlassFish anyway. All the feedback received from the lab has been incorporated in the instructions and bugs filed (Updated 49559, 205232, 205248, 205256). 80% of the attendees could easily complete the lab and some even completed in much less than 3 hours. That indicates that either more content needs to be added to the lab or the intellectual level of the attendees at the conference was pretty high. I think the lab has enough content for 3 hours but we moved at a much more faster pace so I conclude on the latter. Truly a joy to conduct a lab to 40 Devoxxians! Another related lab that might be handy for folks is "Develop, Deploy, and Monitor your Java EE 6 applications using GlassFish 3.1 Cluster". It explains how: Create a 2-instance GlassFish cluster Front-end with a Web server and a load balancer Demonstrate session replication and fail over Monitor the application using JavaScript The complete lab instructions and source code are available and you can try them. I plan to continue evolving the contents for the Java EE 6 hands-on lab to cover more technologies and features and will announce them on this blog. Let me know on what else would you like to see in the future versions.

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• 25 reasons to attend JavaOne 2012

  - by arungupta

  17th JavaOne is just around the corner, less than 3 weeks away! If you are still thinking about registering for the conference, here are my top 25 reasons to attend the conference: Biggest gathering of Java geeks in the world Latest and greatest content with 475 technical sessions/Birds of Feathers/Hands-on labs sessions (about 20% more from last year) Reduced number of keynotes to accommodate room for more technical content No product pitches, exclusive focus on technology (I can tell you that from my experience as a track lead) Sessions are divided in different in-depth technical tracks to focus on Java technology that most interests you Reruns of several popular sessions Experts and Practitioners-led HOLs and tutorials Rock star speakers, panelists, faculties, and instructors. Meet several Java Champions and JUG leaders from all around the world Engage with speakers and discuss with fellow developers in a casual setting with lots of networking space A complete conference dedicated for Java Embedded Extensive and fast-paced hands-on University Sessions on Sunday, learn while you are at the conference. You can register for Java University only or attend with the conference. Dukes Choice Awards recognize and celebrate the most innovative usage of the Java platform DEMOgrounds and Exhibition Hall provide extensive opportunities for networking and engagement with the biggest names in Java (dedicated hours on each day as well) Dedicated day for Java User Groups and Communities (GlassFish Community Event and NetBeans Community Day) Multiple registration packages to meet your needs Pay for 4 full conference passes and get a fifth one free Students and Bloggers get a free pass Geek Bike Ride with fellow speakers and attendees in a casual setting Greenest conference on the plane Enjoy different cuisines in the San Francisco city, take a trip to Alcatraz or Napa Valley or go running on the crooked street ;-) There are tons of tourist opportunities in/around San Francisco. Tons of parties during the conference, in the evening, late night, and early mornings. Don't forget Thirsty Bear Party! Pearl Jam and Kings of Leon at Appreciation Party Oracle Music Festival at Yerba Buena Gardens Grab the bragging rights "I have attended JavaOne"! Learn a new skill, build new connections, conceive a new idea and push the boundaries of Java in the most important educational and networking event of the year for Java developers and enthusiasts. With so much geekgasm going on during the 5 days of JavaOne, is there a reason for you to wait ? Register for the conference now! Grab your buttons, banners, and other collateral at JavaOne Toolkit. You can also send an email to [email protected]. And reach out to us using different social media channels ... As a 13 year veteran of the conference, I can tell this is some thing every Java developer must experience! I will be there, will you ?

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• Oracle's Cloud Strategie nach der OOW 2012

  - by Manuel Hossfeld

  Auf der diesjährigen Oracle Open World war „die Cloud“ nicht nur ein vielbenutztes Buzzword, sondern auch Anlass für einige interessante Ankündigungen. Wer keine Zeit oder Muße hatte, sich die entsprechenden Keynotes von Larry Ellison und Thomas Kurian anzuhören, erfährt in diesem Artikel die wesentlichen Änderungen. Die erste Neuerung: Oracle wird in Zukunft alle drei „Sorten“ bzw. „Ebenen“ von Cloud Computing anbieten: SaaS (Software as a Service) – die Bereitstellung von kompletten Fachanwendungen z.B. aus der eBusiness Suite in Form eines Mietmodells - gab es schon länger. Abgesehen von der Tatsache, dass hier zusätzliche/neuere Komponenten und Module der durch die letzten Zukäufe von Oracle noch breiter gewordenen Palette angeboten werden, ändert sich am Prinzip nichts. Bei PaaS (Plattform as a Service) sind vor allem die beiden bereits letztes Jahr angekündigten Dienste „Database Service“ (basierend auf APEX) und „Java Service“ (basierend auf Weblogic) zu nennen, für die nun auch konkrete Pakete und Preise (ca.175$ bis 2000$/Monat) sowie die Möglichkeit zur Anmeldung auf http://cloud.oracle.com vorliegen. Interessanterweise gehört auch ein sog. „Social Service“ in diese Schicht, mit der Oracle Kunden ihre Anwendungen in Zukunft auf standardisierte Weise durch Social Networking Funktionalität wie z.B. Microblogging erweitern können.Ebenso neu angekündigt wurde ein "Developer Service", welcher z.B. Sourcecode-Verwaltung durch GIT Repositories sowie Wikis und Issue Tracking bereit stellen soll. Die dort mittels JDeveloper, Netbeans oder Eclipse erstellten Applikationen können dann nahtlos innerhalb kürzester Zeit in den Java Service deployed werden. Komplett neu und für einige sicher überraschend ist hingegen der Bereich IaaS (Infrastructure as a Service) – Hier geht es um die Bereitstellung von Basis-Infrastrukturkomponenten wie Storage, Rechenleistung (letztlich also Betriebssysteme / VMs) und Messaging / Queueing. Genaue Details oder Preise zu den IaaS Angeboten sind noch nicht bekannt, aber zumindest zu den Storage- und Messaging Services können grundlegende Daten bereits auf http://cloud.oracle.com eingesehen werden Die zweite Neuerung: Kunden können in Zukunft als Alternative zum Betrieb der o.g. „Oracle Cloud“, diese auch komplett hinter ihrer eigenen Firewall aufbauen lassen. Mit anderen Worten: Oracle baut und betreibt bei diesem als „Oracle Private Cloud“ bezeichneten Angebot alle Komponenten selbst – die Daten verlassen aber niemals das Gebäude des Kunden. Letzteres ist gerade bei uns im Datenschutz-sensiblen Deutschland ein wichtiger Aspekt. Da die verwendeten Komponenten in beiden Fällen die gleichen sind, ist auch ein „Umziehen“ oder Erweitern der Private Cloud in die Public Cloud (oder zurück) ohne Änderungen an den Anwendungen möglich. Der Möglichkeit einer "Hybrid Cloud", bei der Teile einer Anwendung hinter der eigenen Firewall, andere Teile aber in der Oracle Cloud laufen, wird damit Realität.

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• links for 2011-03-17

  - by Bob Rhubart

  Siba Prasad: Oracle Database on Amazon RDSg Siba Prasad share an analysis of the pros and cons. (tags: oracle database cloud amazon) LIVE WEBCAST March 24 2pm PT- Why Switch from Red Hat and SUSE Linux to Oracle Linux? (Oracle's Linux Blog) Featuring Oracle's Monica Kumar, Sr.Director of Linux, Oracle VM and MySQL and Avi Miller, Principal Sales Consultant, Linux and Virtualization. (tags: oracle linux) Webcast: IBM SOA vs. Oracle SOA, March 24, 1pm ET / 10am PT Maneesh Joshi and Bruce Tierney guide you to a solid understanding of the differences between the Oracle and IBM approach to comprehensive SOA. (tags: oracle soa bpm) Finding the Right Solution to Source and Manage Your Contractors (PeopleSoft Apps Strategy) "Talent has become a primary competitive advantage for most organizations. Contingent labor offers talent on flexible terms; it offers the ability to scale up operations, close skill gaps, and manage risk in the process of delivering services." - Mark Rosenberg (tags: oracle peoplesoft enterprisearchitecture) Oracle Business Intelligence Customers: Have Your Voice Heard in the "2011Wisdom of the Crowds Business Intelligence Market Survey" (BI & Analytics Pulse) "The Wisdom of the Crowds survey combines social media, crowd sourcing, and good old fashioned market research to provide vendors and customers alike an unvarnished and insightful snap shot of what's top of mind with business intelligence professionals." (tags: oracle businessintelligence) Martin Bach: Troubleshooting Grid Infrastructure startup Martin Bach hunts down the problem that caused one of his blades to reboot after an EXT3 journal error. (tags: oracle grid rac) Oracle WebCenter: Social Networking & Collaboration (Oracle Enterprise 2.0 Blog) Kelley Ruppel with information on "how the new release of Oracle WebCenter provides unprecedented Social Networking and Collaboration." (tags: oracle webcenter enterprise2.0 collaboration) VirtaThon: 100% Virtual Java/Oracle/MySQL Conference! | Bex Huff "The goal is simple," says Oracle ACE Director Bex Huff. "Because it's all online, the conference is very cheap. Pricing is not yet announced... but it should be around $300. Also, unlike other conferences, every speaker gets paid a small fee depending on the popularity of his or her session." (tags: oracle oracleace java mysqql) Griffiths Waite Blog: BPM 11g PS3 GW's Ian Heathcock shares a link to "a most interesting article on Oracle's recent release discussing the new features and how PS3 adds value  to the whole SOA message." (tags: oracle soa) The Buttso Blathers: Tutorial: JSF 2.0 and JPA 2.0 with WebLogic Server using NetBeans Should you take application architecture advice from a man named Buttso? In this case, yes. (tags: oracle jsf jpa weblogic) Setting-up a High Available Tuned SOA Environment Middleware Magic (tags: ping.fm) How to Configure Weblogic Messaging Bridge with JBoss Middleware Magic (tags: ping.fm Weblogic JBoss) Richard Veryard on Architecture: Emergent Architecture (tags: ping.fm entarch emergence)

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• Additional new material WebLogic Community

  - by JuergenKress

  Oracle Cloud Application Foundation 12c Helps Customers Deliver Next-Generation Applications on a Mission-Critical Cloud Platform In a recent online event, Oracle and industry speakers introduced Oracle Cloud Application Foundation 12c, including Oracle WebLogic 12.1.2 and Oracle Coherence 12.1.2.  Read More Team Spotlight: Mike Lehmann, Vice President of Product Management Meet the team behind Oracle Fusion Middleware. In this edition, we speak to Mike Lehmann, Oracle’s vice president of product management for Oracle Cloud Application Foundation, Oracle WebLogic Server, Oracle Coherence, Java Cloud Services, and Java Platform, Enterprise Edition. Read More New and Free: Learn Oracle Application Development Framework Mobile Online at Your Convenience Are you ready to go mobile? Check out this new tutorial from Oracle’s ADF Academy - Developing Applications with Oracle Application Development Framework Mobile. New: Oracle JDeveloper 12c and Oracle Application Development Framework 12c Announcing Oracle JDeveloper 12c and Oracle Application Development Framework 12c. New capabilities include HTML5, better Maven support, Git support, new Oracle ADF Faces components, improved REST support, Enterprise JavaBeans/Java Persistence API, and the latest support for Oracle WebLogic Server 12.1.2. Get more details and download. New: Oracle Enterprise Pack for Eclipse 12c The best Eclipse-based tools for Oracle WebLogic and Oracle Coherence continue to get better. Check out the latest Oracle WebLogic and Oracle Coherence support, improved Oracle Application Development Framework support, Maven, and more. Register: Oracle WebLogic Devcast Series Join us for the upcoming Oracle WebLogic Devcast webcast. Oracle GlassFish Server 3.1.2 and 2.1.1 updates  & An Overview of JSON-P & Comprehensive Free Java EE 6 Video Tutorial! Java ME Embedded 3.3 and Java ME Software Development Kit (SDK) 3.3 Now Available - Optimized for microcontrollers and other resource-constrained devices, this release reduces "core plumbing" for an app, and includes more information about memory and network usage critical for low-power apps. JDK 8 Early Access Releases now available JDK 8 Early Access Developer Documentation - Get the latest documentation changes to the Java Developer Guides and the Java Tutorials - Blog NetBeans IDE 7.4 Beta - This release extends HTML5 features to Java EE and PHP application development, introduces new support for Hybrid HTML5 development on Android and iOS platforms, and preview support for JDK 8. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• eSTEP Newsletter October 2012 now available

  - by uwes

  Dear Partners,We would like to inform you that the October '12 issue of our Newsletter is now available.The issue contains information to the following topics:News from CorpOracle Announces Oracle Solaris 11.1 at Oracle OpenWorld; Oracle Announces Oracle Exadata X3 Database In-Memory Machine; Oracle Enterprise Manager 12c introduces New Tools and Programs for Partners; Oracle Unveils First Industry-Specific Engineered System - the Oracle Networks Applications Platform,;  Oracle Unveils Expanded Oracle Cloud Offerings; Oracle Outlines Plans to Make the Future Java During JavaOne 2012 Strategy Keynote; Some interesting Java Facts and Figures; Oracle Announces MySQL 5.6 Release Candidate Technical Section What's up with LDoms (4 tech articles); Oracle SPARC T4 Systems cut Complexity, cost of Cryptographic Tasks; PeopleSoft Enterprise Financials 9.1; PeopleSoft HCM 9.1 combined online and batch benchmark,; Product Update Bulletin Oracle Solaris Cluster Oct 2012; Sun ZFS Storage 7420; SPARC Product Line Update; SPARC M-series -  New DAT 160 plus EOL of M3000 series; SPARC SuperCluster and SPARC T4 Servers Included in Enterprise Reference Architecture Sizing Tool; Oracle MagazineLearning & EventsRecently delivered Techcasts: An Update after the Oracle Open World, An Update on OVM Server for SPARC; Update to Oracle Database ApplianceReferencesBridgestone Aircraft Tire Reduces Required Disk Capacity by 50% with Virtualized Storage Solution; Fiat Group Automobiles Aligns Operational Decisions with Strategy by Using End-to-End Enterprise Performance Management System; Birkbeck, University of London Develops World-Class Computer Science Facilities While Reducing Costs with Ultrareliable and Scalable Data Infrastructure How toIntroducing Oracle System Assistant; How to Prepare a ZFS Storage Appliance to Serve as a Storage Device; Migrating Oracle Solaris 8 P2V with Oracle Database 10.2 and ASM; White paper on Best Practices for Building a Virtualized SPARC Computing Environment, How to extend the Oracle Solaris Studio IDE with NetBeans Plug-Ins; How I simplified Oracle Database 11g Installation on Oracle Linux 6You find the Newsletter on our portal under eSTEP News ---> Latest Newsletter. You will need to provide your email address and the pin below to get access. Link to the portal is shown below.URL: http://launch.oracle.com/PIN: eSTEP_2011Previous published Newsletters can be found under the Archived Newsletters section and more useful information under the Events, Download and Links tab. Feel free to explore and any feedback is appreciated to help us improve the service and information we deliver.Thanks and best regards,Partner HW Enablement EMEA

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• 50 Billion Served: Java Embedded on Devices

  - by Tori Wieldt

  It doesn't matter if it is 50 billion or 24 billion, just suffice it to stay that there will be MANY connected devices in the year 2020. With just 24 billion devices, they will outnumber humans six to one! So as a developer, you don't want to ignore this opportunity. What if you could use your Java skills and deploy an app to a fraction of these devices (don't be greedy, how about just, say, 118,000 of them)? Fareed Suliman, Java ME Product Manager had lots of good news for Java Developers in his presentation Modernizing the Explosion of Advanced Microcontrollers with Embedded Java at ARM TechCon in Santa Clara, CA last week. "A radical architecture shift is underway in this space, from proprietary to standards-based," he explained.  He pointed out several advantages to using Embedded Java for devices: Java is a proven and open standard. Java provides connectivity, encryption, location, and web services APIs. You don't have to focus on and keep reinventing the plumbing below the JVM. Abstracting the software from the hardware allows you to repeat your app across many devices. Abstracting the software from the hardware allows allows parallel development so you can get your app done more quickly. You already know Java (or you can hire lots of Java talent). Java is a full ecosystem, with Java Embedded plugins for IDEs like Eclipse and NetBeans. Java ME allows for in-field software upgrades. Suliman mentioned two ways developers can start using Java Embedded today:  Java ME Embedded Suite 7.0 Oracle Java Embedded Suite is a new packaged solution from Oracle (including Java DB, GlassFish for Embedded Suite, Jersey Web Services Framework, and Oracle Java SE Embedded 7 platform), created to provide value added services for collecting, managing, and transmitting data to embedded devices such as gateways and concentrators. Oracle Java ME Embedded 3.2 Oracle Java ME Embedded 3.2 is designed and optimized to meet the unique requirements of small embedded, low power devices such as micro-controllers and other resource-constrained hardware without screens or user interfaces. Think tiny. Really tiny. And think big.  Read more about Java Embedded at the Oracle Technology Network, and read The Java Source blog Java Embedded Releases from September.

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• Java Embedded Releases

  - by Tori Wieldt

  Oracle today announced a new product in its Java Platform, Micro Edition (Java ME) product portfolio, Oracle Java ME Embedded 3.2, a complete client Java runtime Optimized for resource-constrained, connected, embedded systems.  Also, Oracle is releasing Oracle Java Wireless Client 3.2, Oracle Java ME Software Development Kit (SDK) 3.2. Oracle also announced Oracle Java Embedded Suite 7.0 for larger embedded devices, providing a middleware stack for embedded systems. Small is the new big! Introducing Oracle Java ME Embedded 3.2  Oracle Java ME Embedded 3.2 is designed and optimized to meet the unique requirements of small embedded, low power devices such as micro-controllers and other resource-constrained hardware without screens or user interfaces. These include: On-the-fly application downloads and updates Remote operation, often in challenging environments Ability to add new capabilities without impacting the existing functions Support for hardware with as little as 130 kB RAM and 350 kB ROM Oracle Java Wireless Client 3.2 Oracle Java Wireless Client 3.2 is built around an optimized Java ME implementation that delivers a feature-rich application environment for mass-market mobile devices. This new release: Leverages standard JSRs, Oracle optimizations/APIs and a flexible porting layer for device specific customizations, which are tuned to device/chipset requirements Supports advanced tooling functions, such as memory and network monitoring and on-device tooling Offers new support for dual SIM functionality, which is highly useful for mass-market devices supported by multiple carriers with multiple phone connections Oracle Java ME SDK 3.2 Oracle Java ME SDK 3.2 provides a complete development environment for both Oracle Java ME Embedded 3.2 and Oracle Java Wireless Client 3.2. Available for download from OTN, The latest version includes: Small embedded device support In-field and remote administration and debugging Java ME SDK plug-ins for Eclipse and the NetBeans Integrated Development Environment (IDE), enabling more application development environments for Java ME developers. A new device skin creator that developers can use to generate their custom device skins for testing their applications. Oracle Embedded Suite 7.0 The Oracle Java Embedded Suite is a new packaged solution from Oracle (including Java DB, GlassFish for Embedded Suite, Jersey Web Services Framework, and Oracle Java SE Embedded 7 platform), created to provide value added services for collecting, managing, and transmitting data to and from other embedded devices.The Oracle Java Embedded Suite is a complete device-to-data center solution subset for embedded systems.  See Java Me and Java Embedded in Action Java ME and Java Embedded technologies will be showcased for developers at JavaOne 2012 in over 60 conference sessions and BOFs, as well as in the JavaOne Exhibition Hall. For business decision makers, the new event Java Embedded @ JavaOne you learn more about Java Embedded technologies and solutions.

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• Oracle At QCon SF 2012

  - by Cassandra Clark - OTN

  Oracle Technology Network is a Platinum sponsor at QCon San Francisco.  (qconsf.com).  Don’t miss these great developer focused sessions: Shay ShmeltzerHow we simplified Web, Mobile and Cloud development for our own developers? - the Oracle StoryOver the past several years, Oracle has beendeveloping a new set of enterprise applications in what is probably one of thelargest Java based development project in the world. How do you take 3000 developers and make them productive? How do you insure the delivery of cutting edge UIs for both Mobile and Web channels? How do you enable Cloud baseddevelopment and deployment?  Come and learn how we did it at Oracle, and see how the same technologies and methodologies can apply to your development efforts. Dan SmithProject Lambda in Java 8Java SE 8 will include major enhancements to the Java Programming Language and its core libraries.  This suite of new features, known as Project Lambda in the OpenJDK community, includes lambda expressions, default methods, and parallel collections (and much more!).  The result will be a next-generation Java programming experience with more flexibility and better abstractions.   This talk will introduce the new Java features and offer a behind-the-scenes view of how they evolved and why they work the way that they do. Arun GuptaJSR 356: Building HTML5 WebSocket Applications in JavaThe family of HTML5 technologies has pushed the pendulum away from rich client technologies and toward ever-more-capable Web clients running on today’s browsers. In particular, WebSocket brings new opportunities for efficient peer-to-peer communication, providing the basis for a new generation of interactive and “live” Web applications. This session examines the efforts under way to support WebSocket in the Java programming model, from its base-level integration in the Java Servlet and Java EE containers to a new, easy-to-use API and toolset that are destined to become part of the standard Java platform. The full conference schedule is here: http://qconsf.com/sf2012/schedule/wednesday.jsp But wait, there’s more!  At the Oracle booth, we’ll also be covering: ·         Oracle ADF Mobile·         Oracle Developer Cloud Service·         Oracle ADF Essentials·         NetBeans Project Easel Lastly we’ll share the results of a short cloud survey at QConSF ater this week.  If you attended this year's Oracle OpenWorld and JavaOne conferences, it would be hard not to notice that Oracle is clearly "all-in" when it comes to the Cloud.  With Cloud computing being such a hot topic on many OTN members' minds, we'd like to know what you're doing in the cloud and invite you to take this short cloud survey.

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• Java Cloud Service for developers

  - by JuergenKress

  The advent of cloud computing has reinvented application development for many companies. “That’s the beauty of the cloud,” says Cameron Purdy, vice president of development, Oracle. “It dramatically improves developer productivity because they can do what they do best without having to manage complex development, testing, staging, and production environments.” The key is to find a platform that doesn’t impose proprietary restrictions or force developers to learn new tools. For example, Oracle Java Cloud Service is an enterprise-grade platform as a service for building and deploying Java EE, Oracle WebLogic Server, and Oracle Application Development Framework (Oracle ADF) applications. “It’s designed to be flexible and easy to use,” says Purdy. “And it is also a standards-based solution -it’s not proprietary and there is no cloud lock-in. Developers get instant access to an enterprise-grade environment for a simple, monthly subscription.” Oracle Java Cloud Service instances are created with just a few clicks, so businesses can create a rich application development environment within minutes. Running on Oracle WebLogic Server and Oracle Exalogic, the underlying infrastructure also leverages Oracle Fusion Middleware’s integration with common services. For example, instances come integrated and preconfigured with optimized Oracle Database and Oracle Identity Management configurations. Based on Oracle Enterprise Manager, the Oracle Java Cloud Service console lets customers easily manage and monitor their Oracle Java Cloud Service instances. The open nature of the Oracle Java Cloud Service lets developers integrate through Web services such as SOAP and REST APIs, as well as use their favorite developer tools, whether they are out-of-the-box tools such as Maven and Ant or the productivity features built into Oracle JDeveloper, Oracle Enterprise Pack for Eclipse, or NetBeans IDE. The service allows for the seamless movement of applications between on-premise Oracle WebLogic Server domains and instances of Oracle Java Cloud Service within Oracle Cloud. This approach allows flexibility to mix and match the use of on-premise environments with cloud instances for development, test, and production environments. Visit to learn more and watch videos about Oracle Java Cloud Service. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: java,cloud,oracle cloud,java cloud,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Learning by doing (and programming by trial and error)

  - by AlexBottoni

  How do you learn a new platform/toolkit while producing working code and keeping your codebase clean? When I know what I can do with the underlying platform and toolkit, I usually do this: I create a new branch (with GIT, in my case) I write a few unit tests (with JUnit, for example) I write my code until it passes my tests So far, so good. The problem is that very often I do not know what I can do with the toolkit because it is brand new to me. I work as a consulant so I cannot have my preferred language/platform/toolkit. I have to cope with whatever the customer uses for the task at hand. Most often, I have to deal (often in a hurry) with a large toolkit that I know very little so I'm forced to "learn by doing" (actually, programming by "trial and error") and this makes me anxious. Please note that, at some point in the learning process, usually I already have: read one or more five-stars books followed one or more web tutorials (writing working code a line at a time) created a couple of small experimental projects with my IDE (IntelliJ IDEA, at the moment. I use Eclipse, Netbeans and others, as well.) Despite all my efforts, at this point usually I can just have a coarse understanding of the platform/toolkit I have to use. I cannot yet grasp each and every detail. This means that each and every new feature that involves some data preparation and some non-trivial algorithm is a pain to implement and requires a lot of trial-and-error. Unfortunately, working by trial-and-error is neither safe nor easy. Actually, this is the phase that makes me most anxious: experimenting with a new toolkit while producing working code and keeping my codebase clean. Usually, at this stage I cannot use the Eclipse Scrapbook because the code I have to write is already too large and complex for this small tool. In the same way, I cannot use any more an indipendent small project for my experiments because I need to try the new code in place. I can just write my code in place and rely on GIT for a safe bail-out. This makes me anxious because this kind of intertwined, half-ripe code can rapidly become incredibly hard to manage. How do you face this phase of the development process? How do you learn-by-doing without making a mess of your codebase? Any tips&tricks, best practice or something like that?

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