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• Getting Started with Maven + Jaxb project + IntellijIdea

  - by Em Ae

  I am complete new to IntellijIdea and i am looking for some step-by-step process to set up a basic project. My project depends on Maven + Jaxb classes so i need a Maven project so that when i compile this project, the JAXB Objects are generated by Maven plugins. Now i started like this I created a blank project say MaJa project Added Maven Module to it Added following settings in POM.XML <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>MaJa</groupId> <artifactId>MaJa</artifactId> <version>1.0</version> <dependencies> <dependency> <groupId>javax.xml.bind</groupId> <artifactId>jaxb-api</artifactId> </dependency> <dependency> <groupId>com.sun.xml.bind</groupId> <artifactId>jaxb-impl</artifactId> <version>2.1</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>jaxb2-maven-plugin</artifactId> <executions> <execution> <goals> <goal>xjc</goal> </goals> </execution> </executions> <configuration> <schemaDirectory>${basedir}/src/main/resource/api/MaJa</schemaDirectory> <packageName>com.rimt.shopping.api.web.ws.v1.model</packageName> <outputDirectory>${build.directory}</outputDirectory> </configuration> </plugin> </plugins> </build> </project> First of all, is it right settings ? I tried clicking on Make/Compile 'MaJa' from Project Right Click Menu and it didn't do anything. I will be looking forward to yoru replies.

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• How does Eclipse/IDEA/etc. debugger obtain the information about local variable values and watch exp

  - by Bubba88

  I always thought that varibales are mapped to stack locations once your Java source is compiled; additionally, they may include the info about the variable names and their scope in classfiles, but that's optional AFAIK. The question is - how do my Eclipse/IDEA IDEs allow me to set a watch expression containing the local variable name? To me, it's hard to understand :)

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• What are the exact versions of stuff you have to install in order to be able to step-debug a Scala p

  - by Alex R

  How do YOU debug a Scala program? I mean YOU as in the person posting the Answer :) Please answer only from personal experience, not from stuff you've heard or read on the Internet. You should not believe everything you read on the Internet, especially tales of complex open-source software configurations that actually work :-) The are many Java tools which claim to support Scala in some way or another, but I have so far struck out in trying to get any one of them to actually let me set a breakpoint in Scala code and step through it. These are big, major open-source IDEs I'm talking about here. The main problem in getting a debugger to work seems to be the "version hell" with fast-changing IDEs, Plug-Ins, JDKs, and the Scala language itself. Hence, the more detailed re-statement of the question is appropriate: What is the exact version number of the IDE, Plug-In, JDK, Scala, and even Operating System, that you are successfully using? My question is related to this one, but wider in scope: http://stackoverflow.com/questions/2272705/how-to-debug-scala-code-when-outside-of-an-ide Thanks

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• Have you actually convinced anybody to Scala?

  - by Lukasz Lew

  I had limited success myself. I was able to hype a few persons about Scala. But in fact none of them made a meaningful effort to try to switch (usually from Java). I would like to read both success and failure stories here. Both long tries and short ones. My goal is to find ways of presenting Scala to another person, friend, co-worker (not an audience) that will make them want to use this great language.

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• What are the exact versions of stuff you had to install in order to be able to step-debug a Scala pr

  - by Alex R

  How do YOU debug a Scala program? I mean YOU as in the person posting the Answer :) Please answer only from personal experience, not from stuff you've heard or read on the Internet. You should not believe everything you read on the Internet, especially tales of complex open-source software configurations that actually work :-) The are many Java tools which claim to support Scala in some way or another, but I have so far struck out in trying to get any one of them to actually let me set a breakpoint in Scala code and step through it. These are big, major open-source IDEs I'm talking about here. The main problem in getting a debugger to work seems to be the "version hell" with fast-changing IDEs, Plug-Ins, JDKs, and the Scala language itself. Hence the second part of my question, which is really the most important part: What is the exact version number of the IDE, Plug-In, JDK, Scala, and even Operating System, that you are successfully using? My question is related to this one, but wider in scope: http://stackoverflow.com/questions/2272705/how-to-debug-scala-code-when-outside-of-an-ide Thanks

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• How to use Scala in IntelliJ IDEA (or: why is it so difficult to get a working IDE for Scala)?

  - by Alex R

  I recently gave up trying to use Scala in Eclipse (basic stuff like completion doesn't work). So now I'm trying IntelliJ. I'm not getting very far. I've been able to edit programs (within syntax highlighting and completion... yay!). But I'm unable to run even the simplest "Hello World". This was the original error: Scala signature Predef has wrong version Expected 5.0 found: 4.1 in .... scala-library.jar But that was yesterday with IDEA 9.0.1. See below... UPDATE Today I uninstalled IntelliJ 9.0.1, and installed 9.0.2 Early Availability, with the 4/14 stable version of the Scala plug-in. Then I setup a project from scratch through the wizards: new project from scratch JDK is 1.6.u20 accept the default (project) instead of global / module accept the download of Scala 2.8.0beta1 into project's lib folder Created a new class: object hello { def main(args: Array[String]) { println("hello: " + args); } } For my efforts, I now have a brand-new error :) Here it is: Scalac internal error: class java.lang.ClassNotFoundException [java.net.URLClassLoader$1.run(URLClassLoader.java:202), java.security.AccessController.doPrivileged(Native Method), java.net.URLClassLoader.findClass(URLClassLoader.java:190), java.lang.ClassLoader.loadClass(ClassLoader.java:307), sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301), java.lang.ClassLoader.loadClass(ClassLoader.java:248), java.lang.Class.forName0(Native Method), java.lang.Class.forName(Class.java:169), org.jetbrains.plugins.scala.compiler.rt.ScalacRunner.main(ScalacRunner.java:72)] FINAL UPDATE I uninstalled 9.0.2 EA and reinstalled 9.0.1, but this time went with the 2.7.3 version of Scala rather than the default 2.7.6, because 2.7.3 is the one shown in the screen-shots at the IntelliJ website (I guess the screen-shots prove that they actually tested this version!). Now everything works!!!

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• How can I remove duplicate icons for "launched" java programs in the launcher?

  - by Tim

  When launching java programs (like IntelliJ IDEA and Crashplan) in Natty's Unity launcher, duplicate icons are shown (see image). For IntelliJ I created the .desktop file, for Crashplan the .desktop file is supplied with the application. Is there something that can be changed in the .desktop files (or somewhere else) that can prevent this from occurring? I couldn't find a bug report for unity itself but programs like Gnome-Do/Docky have bug reports and had to make internal changes to their applications to prevent this. In this image the 1st icon is the one created from the .desktop file and the second icon is after launching it. Second icon disappears when closing the application. Custom IntelliJ .desktop file #!/usr/bin/env xdg-open [Desktop Entry] Version=1.0 Type=Application Terminal=false Icon[en_US]=/opt/idea/bin/idea128.png Name[en_US]=IntelliJ IDEA Exec=/opt/idea/bin/idea.sh Name=IntelliJ IDEA Icon=/opt/idea/bin/idea128.png StartupNotify=true Crashplan provide .desktop file [Desktop Entry] Version=1.0 Encoding=UTF-8 Name=CrashPlan Categories=; Comment=CrashPlan Desktop UI Comment[en_CA]=CrashPlan Desktop UI Exec=/usr/local/crashplan/bin/CrashPlanDesktop Icon=/usr/local/crashplan/skin/icon_app_64x64.png Hidden=false Terminal=false Type=Application GenericName[en_CA]=

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• Software Center won't take into account my changed OpenID name: any idea?

  - by Pascal Av

  Failing to install IntelliJ from the Software Center, I realized my login is wrong in the /etc/apt/auth.conf entry that the install process generates. In this file, I see my original OpenID, that's the one which got automatically generated when signing up on Launchpad. It contains my last name so I changed it. I purged conf and binaries for Ubuntu One, reinstalled, deleted all listed "Devices" from app, all "Applications" from Launchpad. Deleted ~/.cache/software-center/, reboot, but still: When installing IntelliJ, the auth.conf file receives my original OpenID, not the modified one Problem is that the commercial subscription, for IntelliJ private PPA, uses my modified OpenID, so authentication attempt fails. I can't remove nor modify this subscription, even by changing back my OpenID into Launchpad. Any idea to solve this?

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• @RunWith causes Maven to ignore my Test running with my own runner

  - by Benju

  I am moving from using only Intellij to manage my build system to Intellij/Maven. When I run my integration test "MapSimulationTest" with my own runner via @RunWith(KmlParameterizedRunner.class) Intellij correctly handles the situation, the directory specified by the system property "user.dir" is scanned for .kml files and each is tested. The problem seems to be that Surefire ignores @RunWith, any suggestions?

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• Emacs: Often switching between Emacs and my IDE's editor, how to automatically 'synch' the files?

  - by WizardOfOdds

  I very often need to do some Emacs magic on some files and I need to go back and forth between my IDE (IntelliJ IDEA) and Emacs. When a change is made under Emacs (and after I've saved the file) and I go back to IntelliJ the change appears immediately (if I recall correctly I configured IntelliJ to "always reload file when a modification is detected on disk" or something like that). I don't even need to reload: as soon as IntelliJ IDEA gains focus, it instantly reloads the file (and I hence have immediately access to the modifications I made from Emacs). So far, so very good. However "the other way round", it doesn't work yet. Can I configure Emacs so that everytime a file is changed on disk it reloads it? Or make Emacs, everytime it "gains focus", verify if any file currently opened has been modified on disk? I know I can start modifying the buffer under Emacs and it shall instantly warn that it has been modified, but I'd rather have it do it immediately (for example if I used my IDE to do some big change, when I come back to Emacs what I see may not be at all anymore what the file contains and it's a bit weird).

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• Emacs: Often switching between Emacs and my IDE's editor, how can I 'synch' the file?

  - by WizardOfOdds

  I very often need to do some Emacs magic on some files and I need to go back and forth my IDE (IntelliJ IDEA) and Emacs. When a change is made under Emacs (and after I've saved the file) and I go back to IntelliJ the change appears immediately (if I recall correctly I configured IntelliJ to "always reload file when a modification is detected on disk" or something like that). I don't even need to reload: as soon as IntelliJ IDEA gains focus, it instantly reloads the file (and I hence have immediately access to the modifications I made from Emacs). So far, so very good. However "the other way round", it doesn't work yet. Can I configure Emacs so that everytime a file is changed on disk it reloads it? Or make Emacs, everytime it "gains focus", verify if any file currently opened has been modified on disk? I know I can start modifying the buffer under Emacs and it shall instantly warn that it has been modified, but I'd rather have it do it immediately (for example if I used my IDE to do some big change, when I come back to Emacs what I see may not be at all anymore what the file contains and it's a bit weird).

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• Maven Command Line for NetBeans RCP Developers

  - by Geertjan

  In the ongoing work being done on Maven documentation support for NetBeans Platform developers, the tutorial describing how to use the Maven command line to set up and develop applications on the NetBeans Platform has ben updated: http://platform.netbeans.org/tutorials/nbm-maven-commandline.html An interesting next step after following the tutorial above is to... open the result into the free community edition of IntelliJ IDEA: It's not hard to register the JDK and Maven in IntelliJ IDEA and to then run your application directly from there. The point is that there's no requirement to use NetBeans IDE if you want to create applications on top of its framework.

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• Project compilation requires a class that is not used anywhere

  - by Susei

  When I build with ant my project that uses libgdx, I get a strange error. It says that a class com.google.gwt.dom.client.ImageElement is not found, but it isn't used at all in the code. How can I find what makes this class necessary? Even searching over the whole project doesn't give any results. It says that error is at PixmapTextureAtlas.java:16 (class source), but there is no code that uses that ImageElement class. Adding the library containing com.google.gwt.dom.client.ImageElement class helps, of course, but I'd like to figure out why this class in needed. Here is the place in ant log that tells of the actual error: Compiling 3 source files to /home/suseika/Projects/tendiwa/client/bin /home/suseika/Projects/tendiwa/client/src/org/tendiwa/client/PixmapTextureAtlas.java:16: error: cannot access ImageElement class file for com.google.gwt.dom.client.ImageElement not found Here is the whole ant log: /usr/lib/jvm/java-7-oracle/bin/java -Xmx128m -Xss2m -Dant.home=/opt/intellijidea/lib/ant -Dant.library.dir=/opt/intellijidea/lib/ant/lib -Dfile.encoding=UTF-8 -classpath /opt/intellijidea/lib/ant/lib/ant-apache-regexp.jar:/opt/intellijidea/lib/ant/lib/ant-swing.jar:/opt/intellijidea/lib/ant/lib/ant-apache-xalan2.jar:/opt/intellijidea/lib/ant/lib/ant-jdepend.jar:/opt/intellijidea/lib/ant/lib/ant-apache-resolver.jar:/opt/intellijidea/lib/ant/lib/ant-jsch.jar:/opt/intellijidea/lib/ant/lib/ant.jar:/opt/intellijidea/lib/ant/lib/ant-testutil.jar:/opt/intellijidea/lib/ant/lib/ant-launcher.jar:/opt/intellijidea/lib/ant/lib/ant-apache-bsf.jar:/opt/intellijidea/lib/ant/lib/ant-commons-logging.jar:/opt/intellijidea/lib/ant/lib/ant-netrexx.jar:/opt/intellijidea/lib/ant/lib/ant-junit.jar:/opt/intellijidea/lib/ant/lib/ant-commons-net.jar:/opt/intellijidea/lib/ant/lib/ant-apache-bcel.jar:/opt/intellijidea/lib/ant/lib/ant-antlr.jar:/opt/intellijidea/lib/ant/lib/ant-apache-log4j.jar:/opt/intellijidea/lib/ant/lib/ant-jai.jar:/opt/intellijidea/lib/ant/lib/ant-apache-oro.jar:/opt/intellijidea/lib/ant/lib/ant-jmf.jar:/opt/intellijidea/lib/ant/lib/ant-javamail.jar:/usr/lib/jvm/java-7-oracle/lib/tools.jar:/opt/intellijidea/lib/idea_rt.jar com.intellij.rt.ant.execution.AntMain2 -logger com.intellij.rt.ant.execution.IdeaAntLogger2 -inputhandler com.intellij.rt.ant.execution.IdeaInputHandler -buildfile /home/suseika/Projects/tendiwa/client/build.xml jar build.xml property path description compile ant property property property description compile mkdir javac jar ant property description _core_src_available available ontology antcall property description _core_src_available available _build_core ant property property compile echo /home/suseika/Projects/tendiwa/client mkdir javac jar jar Building jar: /home/suseika/Projects/tendiwa/MainModule.jar description tempfile mkdir Created dir: /tmp/tendiwa373148820 unjar Expanding: /home/suseika/Projects/tendiwa/MainModule.jar into /tmp/tendiwa373148820 Expanding: /home/suseika/Projects/tendiwa/tendiwa-backend.jar into /tmp/tendiwa373148820 Expanding: /home/suseika/Projects/tendiwa/tendiwa-ontology.jar into /tmp/tendiwa373148820 copy Copying 1 file to /tmp/tendiwa373148820 java Created item short_sword Created item short_bow Created item bucket Created item boot Created item steel_morningstar Created item rifle_ammo Created item handAxe Created item iron_armor Created item steel_mace Created item jacket Created item fedora Created item wooden_arrow Saving sources to /tmp/tendiwa373148820/ontology/src tendiwa/resources/SoundTypes.java tendiwa/resources/CharacterTypes.java tendiwa/resources/ObjectTypes.java tendiwa/resources/FloorTypes.java tendiwa/resources/ItemTypes.java tendiwa/resources/MaterialTypes.java mkdir mkdir mkdir Created dir: /tmp/tendiwa373148820/ontology/bin javac jar Building jar: /home/suseika/Projects/tendiwa/tendiwa-ontology.jar echo Resources source code generated ant property property compile echo /home/suseika/Projects/tendiwa/client mkdir javac jar jar jar Building jar: /home/suseika/Projects/tendiwa/MainModule.jar mkdir javac /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) /home/suseika/Projects/tendiwa/client/build.xml (25:46)'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds Compiling 3 source files to /home/suseika/Projects/tendiwa/client/bin /home/suseika/Projects/tendiwa/client/src/org/tendiwa/client/PixmapTextureAtlas.java:16: error: cannot access ImageElement class file for com.google.gwt.dom.client.ImageElement not found 1 error /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) Ant build completed with 3 errors one warning in 4s at 10/30/13 3:09 AM Here is a part of ant file where this error appears: <path id="tendiwa.jars"> <fileset dir="../libs"> <include name="**/*.jar"/> </fileset> <pathelement path="../tendiwa-backend.jar"/> <pathelement path="../tendiwa-ontology.jar"/> <!--<fileset dir="/usr/share/java" includes="gwt*.jar"/>--> </path> <target name="compile"> <ant dir="../MainModule" target="jar"/> <mkdir dir="bin"/> <javac destdir="bin" failonerror="true"> <classpath> <path refid="tendiwa.jars"/> <!--temporary--> <pathelement path="../tendiwa-ontology.jar"/> <!--temporary--> <pathelement path="../MainModule.jar"/> <fileset dir="../libs" includes="**/*.jar"/> </classpath> <src> <pathelement path="Desktop/src"/> <pathelement path="src"/> </src> </javac> </target>

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• Swap, Swapiness and Standby: swapping starts when waking up

  - by mdo

  I'm running running Ubuntu 12.04 on a Lenovo W500 (Core2Duo T9400, 4GB Ram) Current kernel: 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux -- but the problems exists since a couple of months, surviving quite a few software (includig kernel) updates I regularly put my machine into suspend-to-ram (S3) and when the machine comes back up Ubuntu starts to swap out processes. I was able to observe that the used swap-space starts to grow right after the box returns. See munin graphs below, the gap (obviously) shows the timeframe in STR. Needless to say that the box becomes unusable while swapping, load goes up beyond 10. What I've done so far: lowered swappiness from default (60) to 10 (via /etc/sysctl.conf: vm.swappiness=10) -- this has improved the situation much, but sometimes the problem comes back, I have not found a trigger (like memory usage) for this for now lowered swappiness to 5 -- perhaps this has brought an improvement again Before going to STR the box ran stable without (swapping) problems for hours. Today when the issue showed up again I used this script (- http://stackoverflow.com/questions/479953/how-to-find-out-which-processes-are-swapping-in-linux) to find what processes have the most used swap space. The result after the swap orgy is like that (all PIDs with more than 10M usage): Overall swap used: 2121344 kB ======================================== kB pid name ======================================== 439520 17491 java 208148 22719 firefox 136640 4337 /usr/bin/quodli 120852 5271 chrome 81832 5264 chrome 74284 17003 chrome 65368 16960 chrome 57088 3675 chrome 56184 30923 chrome 54412 11331 chrome 54264 3878 chrome 51508 18382 chrome 50088 3163 zeitgeist-fts 49772 15543 chrome 41344 15355 compiz 35040 1161 mysqld 32124 18374 chrome 30940 11339 chrome 30044 5752 chrome 28780 4235 plugin-containe 24576 31246 empathy-chat 23840 17703 chrome 22512 3207 ubuntuone-syncd 21588 1937 ntop 18336 2021 asterisk 17200 3915 chrome 13964 1935 Xorg 12036 10679 chrome 11104 30782 empathy 11056 2889 python 10932 16565 knotify4 The java instance at the top is IntelliJ. IntelliJ, Firefox and Chrome also were all used right before the box was put to STR. So my question is: can I somehow prevent these swapouts AND why do they happen? Is it perhaps related to some misidentification of idle processes? I'm not looking for resolutions like: turn off swap buy more RAM Thanks in advance!

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• IDE support for Spring framework; Are they worth using?

  - by Zwei Steinen

  I'm using Intellij IDEA for IDE, and I like it a lot. However, it does not have any special "Spring support" (plug-ins/tools). My next project uses Spring (which I'm not very familiar with), and I'm wondering whether I should consider changing my IDE from early on; e.g. to SpringSource eclipse/Intellij IDEA Professional. Do you guys have any experience with these IDE-built-in Spring support? Is it worth using?

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• grails clean having issues

  - by hvgotcodes

  Im running grails 1.2 on win7. when i try to do grails clean it fails to remove some jars in my acegi plugin. after that failure, it complains about not finding the plugin descriptor. I am forced to remove all plugins from the disk manually and then run the app again to download them again. the particular jar in acegi is ant-contrib-xx.jar. has anyone seen this? as a further note, if i just delete the acegi directory after the initial failure it fails on a jar in another plugin. I dont know if Im having some sort of windows filesystem issue (I am coming from linux, forced to use win7 because intellij sucks on linux), or intellij is doing something, or what...

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• How to set up a different context to point to an external directory outside webapps Tomcat/Java

  - by pinkb

  Hi Folks, I am successful to map an external directory by creating an xml file like : <Context path="/uploads" docBase="C:\uploads\photos" crossContext="true"/> And I named this xml file as uploads.xml and saved under "#Tomcat\conf\Catalina\localhost" here # = Directory where Tomcat has been installed. And when I start Tomcat(5) from cammand line (batch file) i.e. startup.bat The images can be accessed normally like "http://localhost:8080/uploads/user1.png" It works. Actually I am using IntelliJ Idea 8 for devevelopment. When I start Tomcat from IntelliJ Idea, I am not able to access the context i.e. the images. "http://localhost:8080/uploads/user1.png" It shows "HTTP 400 Bad Request" The context path for my project is "http://localhost:8080/spark/" Any help or suggestion is needed at the earliest time. Looking forward to as many appreciative responses as possible. Thanx Pink

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• Jerome has written a nice article on integrating SceneBuilder with several IDEs

  - by daniel

  My colleague Jerome Cambon has written a very nice article about how to get SceneBuilder working with several IDEs. The JavaFX SceneBuilder is at the root a stand-alone tool - but there are various tweaks and tricks that you can use to make its use in conjunction with your favorite IDE a more enjoyable experience. In his article - Jerome shows how this can be done with NetBeans (7.3), Eclipse, with Tom's excellent e(fx)clipse plugin, and IntelliJ IDEA. Good work Jerome!

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• Oracle Developer Day, Poland, 2012

  - by Geertjan

  Oracle Developer Day took place in Poland today. Oracle's Gregor Rayman did the keynote, where NetBeans was positioned, yet again, as Oracle's IDE for the Java Platform, via the JavaFX Roadmap: Well, it's not so clear from my pic above, but NetBeans is closely tied to the JavaFX Roadmap, as well as the JDK Roadmap too. Then the tracks started, one of which was the Java Track (the other two tracks were on ADF/WebLogic and SOA/BPM/BAM), where among other things I demonstrated the Java EE 6 Platform via tools in NetBeans IDE at some length. The room could hardly have been fuller, chairs had to be brought in and people were standing along the walls. The above pic shows the session being set up, with the room full of developers ready to hear about Java EE 6. I also did a session on pluggable Java desktop development (i.e., NetBeans Platform) and on "What's New in NetBeans IDE 7.1?", while Martin Grebac had a session on Java EE Web Services. Some of the many questions asked during the day that I thought were interesting: Is there localization support for the @Pattern annotation? I.e., what if I want to display the error message in Polish, what do I do? Is there filtering/sorting support for the DataTable component in JSF? Why is there no visual editor for ejb-jar.xml, in the same way that there is for web.xml? "Would be handy if there were to be a JSR for IDE Keyboard Shortcuts." (Two different people asked this question, separately, without knowing about each other. The second didn't know about the Eclipse and IntelliJ keyboard shortcut support in NetBeans IDE and was happy when I told them about it.) Wouldn't it be cool if, on start up, or during installation, there'd be a question: "Are you migrating from Eclipse/IntelliJ?" Then, if "yes", reset the keyboard shortcuts to match the IDE they're coming from.Is there a way in NetBeans to find subclasses of a class? "Would be cool if HTML or JSF files could be visualized in the same way as JavaFX and Swing classes." I.e., Visual Debugger for web developers. I had a great day and am looking at the Oracle Developer Day that will be held in Cluj, Romania, on Friday.

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• No Android SDK, neither Java found

  - by Alex

  I have Java installed correctly, I did it by the manual http://www.wikihow.com/Install-Oracle-Java-on-Ubuntu-Linux I also installed Android SDK. However when I try to create a new Project IntelliJ Idea 12 and specify Project SDk choosing New - /home/alex/android-sdk-linux , it says me No Java SDK of appropriate version found. In addition to the Android SDK, you need to define a JSDK 1.5, 1.6 or 1.7 What did I miss?

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• So, I though I wanted to learn frontend/web development and break out of my comfort zone...

  - by ripper234

  I've been a backend developer for a long time, and I really swim in that field. C++/C#/Java, databases, NoSql, caching - I feel very much at ease around these platforms/concepts. In the past few years, I started to taste end-to-end web programming, and recently I decided to take a job offer in a front end team developing a large, complex product. I wanted to break out of my comfort zone and become more of an "all around developer". Problem is, I'm getting more and more convinced I don't like it. Things I like about backend programming, and missing in frontend stuff: More interesting problems - When I compare designing a server that handle massive data, to adding another form to a page or changing the validation logic, I find the former a lot more interesting. Refactoring refactoring refactoring - I am addicted to Visual Studio with Resharper, or IntelliJ. I feel very comfortable writing code as it goes without investing too much thought, because I know that with a few clicks I can refactor it into beautiful code. To my knowledge, this doesn't exist at all in javascript. Intellisense and navigation - I hate looking at a bunch of JS code without instantly being able to know what it does. In VS/IntelliJ I can summon the documentation, navigate to the code, climb up inheritance hiererchies ... life is sweet. Auto-completion - Just hit Ctrl-Space on an object to see what you can do with it. Easier to test - With almost any backend feature, I can use TDD to capture the requirements, see a bunch of failing tests, then implement, knowing that if the tests pass I did my job well. With frontend, while tests can help a bit, I find that most of the testing is still manual - fire up that browser and verify the site didn't break. I miss that feeling of "A green CI means everything is well with the world." Now, I've only seriously practiced frontend development for about two months now, so this might seem premature ... but I'm getting a nagging feeling that I should abandon this quest and return to my comfort zone, because, well, it's so comfy and fun. Another point worth mentioning in this context is that while I am learning some frontend tools, a lot of what I'm learning is our company's specific infrastructure, which I'm not sure will be very useful later on in my career. Any suggestions or tips? Do you think I should give frontend programming "a proper chance" of at least six to twelve months before calling it quits? Could all my pains be growing pains, and will they magically disappear as I get more experienced? Or is gaining this perspective is valuable enough, even if plan to do more "backend stuff" later on, that it's worth grinding my teeth and continuing with my learning?

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• Switch from back-end to front-end programming: I'm out of my comfort zone, should I switch back?

  - by ripper234

  I've been a backend developer for a long time, and I really swim in that field. C++/C#/Java, databases, NoSql, caching - I feel very much at ease around these platforms/concepts. In the past few years, I started to taste end-to-end web programming, and recently I decided to take a job offer in a front end team developing a large, complex product. I wanted to break out of my comfort zone and become more of an "all around developer". Problem is, I'm getting more and more convinced I don't like it. Things I like about backend programming, and missing in frontend stuff: More interesting problems - When I compare designing a server that handle massive data, to adding another form to a page or changing the validation logic, I find the former a lot more interesting. Refactoring refactoring refactoring - I am addicted to Visual Studio with Resharper, or IntelliJ. I feel very comfortable writing code as it goes without investing too much thought, because I know that with a few clicks I can refactor it into beautiful code. To my knowledge, this doesn't exist at all in javascript. Intellisense and navigation - I hate looking at a bunch of JS code without instantly being able to know what it does. In VS/IntelliJ I can summon the documentation, navigate to the code, climb up inheritance hiererchies ... life is sweet. Auto-completion - Just hit Ctrl-Space on an object to see what you can do with it. Easier to test - With almost any backend feature, I can use TDD to capture the requirements, see a bunch of failing tests, then implement, knowing that if the tests pass I did my job well. With frontend, while tests can help a bit, I find that most of the testing is still manual - fire up that browser and verify the site didn't break. I miss that feeling of "A green CI means everything is well with the world." Now, I've only seriously practiced frontend development for about two months now, so this might seem premature ... but I'm getting a nagging feeling that I should abandon this quest and return to my comfort zone, because, well, it's so comfy and fun. Another point worth mentioning in this context is that while I am learning some frontend tools, a lot of what I'm learning is our company's specific infrastructure, which I'm not sure will be very useful later on in my career. Any suggestions or tips? Do you think I should give frontend programming "a proper chance" of at least six to twelve months before calling it quits? Could all my pains be growing pains, and will they magically disappear as I get more experienced? Or is gaining this perspective is valuable enough, even if plan to do more "backend stuff" later on, that it's worth grinding my teeth and continuing with my learning?

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• Which swing testing frameworks are well suited to TDD?

  - by Niel de Wet

  I am trying to follow a BDD/TDD approach to developing an IntelliJ IDEA plugin, and in order to do a full acceptance test I want to exercise my plugin through the GUI. I know that I can do it using Window Licker, but looking at the commit log there hasn't been any activity since 2010. I see there are several other frameworks, but which are current and suited for TDD? If you have any experience with swing and TDD, please share those as well.

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• Unity - Certain applications don't stay in Launcher

  - by user10669

  I can start up IntelliJ Idea using the commandline, which is a shell script that starts up a java process. It then appears in the launcher, as normal. I can select "Keep in Launcher", but it only remains there until I reboot, then it disapears again. This is the only application I've seen that does this - Stuff already in the applications menu stocks around fine if I tell it to stay in the launcher.

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• Certain applications don't stay in Launcher

  - by user10669

  I can start up IntelliJ Idea using the commandline, which is a shell script that starts up a java process. It then appears in the launcher, as normal. I can select "Keep in Launcher", but it only remains there until I reboot, then it disapears again. This is the only application I've seen that does this - Stuff already in the applications menu stocks around fine if I tell it to stay in the launcher.

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