Bug#446328: eclipse: Welcome Screen Fails to Start, Displays Error

Leo L. Schwab ewhac at best.com
Fri Oct 12 05:30:39 UTC 2007


Package: eclipse
Version: 3.2.2-4
Severity: important

	Attempts to open the Welcome screen result in a pane with an
error describing an inability to load a class.  The topmost error is:

java.lang.ClassNotFoundException: org.eclipse.core.runtime.Plugin

	This can most easily be reproduced by starting eclipse 'clean',
that is, without any pre-existing 'workspace' or '.eclipse' directories.
Eclipse will attempt to display the Welcome screen, but fail.  Other
panes *seem* to work correctly, but I'm not very experienced with
eclipse so I can't speak to that (I'm trying to learn the darned thing,
but I keep finding bugs.)

	I have the Sun JVM installed, but eclipse seems to be defaulting
to gcj.  Perhaps my Debian 'alternatives' are messed up?  They're set up
as:

walkies:/etc# update-alternatives --display java_vm
java_vm - status is auto.
 link currently points to /usr/lib/jvm/java-6-sun/jre/bin/java_vm
/usr/lib/jvm/java-6-sun/jre/bin/java_vm - priority 63
Current `best' version is /usr/lib/jvm/java-6-sun/jre/bin/java_vm.

walkies:/etc# update-alternatives --display java
java - status is auto.
 link currently points to /usr/lib/jvm/java-gcj/jre/bin/java
/usr/lib/jvm/java-6-sun/jre/bin/java - priority 63
 slave java.1.gz: /usr/lib/jvm/java-6-sun/jre/man/man1/java.1.gz
/usr/bin/gij-4.1 - priority 41
/usr/bin/gij-4.2 - priority 42
 slave java.1.gz: /usr/share/man/man1/gij-4.2.1.gz
/usr/lib/jvm/java-gcj/jre/bin/java - priority 1042
Current `best' version is /usr/lib/jvm/java-gcj/jre/bin/java.

	I've attached the text of the error, and the output of 'eclipse
-debug'.

	Thank you for your attention to this matter.

					Schwab

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.22 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages eclipse depends on:
ii  eclipse-jdt                   3.2.2-4    Java Development Tools plug-ins fo
ii  eclipse-pde                   3.2.2-4    Plug-in Development Environment to
ii  eclipse-source                3.2.2-4    Eclipse source code plug-ins
ii  zenity                        2.18.1-1   Display graphical dialog boxes fro

Versions of packages eclipse recommends:
pn  eclipse-gcj                   <none>     (no description available)

-- no debconf information
-------------- next part --------------
java.lang.ClassNotFoundException: org.eclipse.core.runtime.Plugin
   at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
   at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
   at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
   at java.lang.ClassLoader.loadClass(libgcj.so.81)
   at org.eclipse.core.runtime.Platform.getPlugin(Platform.java:737)
   at org.eclipse.core.internal.preferences.legacy.InitLegacyPreferences.init(InitLegacyPreferences.java:43)
   at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.applyRuntimeDefaults(PreferenceServiceRegistryHelper.java:146)
   at org.eclipse.core.internal.preferences.PreferencesService.applyRuntimeDefaults(PreferencesService.java:337)
   at org.eclipse.core.internal.preferences.DefaultPreferences.applyRuntimeDefaults(DefaultPreferences.java:162)
   at org.eclipse.core.internal.preferences.DefaultPreferences.loadDefaults(DefaultPreferences.java:231)
   at org.eclipse.core.internal.preferences.DefaultPreferences.load(DefaultPreferences.java:227)
   at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:307)
   at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:543)
   at org.eclipse.core.internal.preferences.DefaultPreferences.node(DefaultPreferences.java:149)
   at org.eclipse.core.internal.preferences.legacy.PreferenceForwarder.getDefaultPreferences(PreferenceForwarder.java:138)
   at org.eclipse.core.internal.preferences.legacy.PreferenceForwarder.getString(PreferenceForwarder.java:644)
   at org.eclipse.ui.internal.intro.impl.model.IntroModelRoot.loadTheme(IntroModelRoot.java:255)
   at org.eclipse.ui.internal.intro.impl.model.IntroModelRoot.loadChildren(IntroModelRoot.java:172)
   at org.eclipse.ui.internal.intro.impl.model.AbstractIntroContainer.getChildren(AbstractIntroContainer.java:76)
   at org.eclipse.ui.internal.intro.impl.model.IntroModelRoot.loadModel(IntroModelRoot.java:145)
   at org.eclipse.ui.internal.intro.impl.model.loader.BaseExtensionPointManager.loadModel(BaseExtensionPointManager.java:93)
   at org.eclipse.ui.internal.intro.impl.model.loader.ExtensionPointManager.loadCurrentModel(ExtensionPointManager.java:60)
   at org.eclipse.ui.internal.intro.impl.model.loader.ExtensionPointManager.getCurrentModel(ExtensionPointManager.java:72)
   at org.eclipse.ui.intro.config.CustomizableIntroPart.init(CustomizableIntroPart.java:151)
   at org.eclipse.ui.internal.ViewIntroAdapterPart.init(ViewIntroAdapterPart.java:156)
   at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:305)
   at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:197)
   at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
   at org.eclipse.ui.internal.Perspective.showView(Perspective.java:1675)
   at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:987)
   at org.eclipse.ui.internal.WorkbenchPage.access$13(WorkbenchPage.java:968)
   at org.eclipse.ui.internal.WorkbenchPage$13.run(WorkbenchPage.java:3514)
   at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
   at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3511)
   at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3487)
   at org.eclipse.ui.internal.WorkbenchIntroManager.createIntro(WorkbenchIntroManager.java:172)
   at org.eclipse.ui.internal.WorkbenchIntroManager.showIntro(WorkbenchIntroManager.java:119)
   at org.eclipse.ui.application.WorkbenchWindowAdvisor.openIntro(WorkbenchWindowAdvisor.java:172)
   at org.eclipse.ui.internal.ide.IDEWorkbenchWindowAdvisor.openIntro(IDEWorkbenchWindowAdvisor.java:424)
   at org.eclipse.ui.internal.WorkbenchWindow.open(WorkbenchWindow.java:676)
   at org.eclipse.ui.internal.Workbench.busyOpenWorkbenchWindow(Workbench.java:819)
   at org.eclipse.ui.internal.Workbench.doOpenFirstTimeWindow(Workbench.java:1453)
   at org.eclipse.ui.internal.Workbench.access$10(Workbench.java:1451)
   at org.eclipse.ui.internal.Workbench$16.run(Workbench.java:1415)
   at org.eclipse.ui.internal.Workbench.runStartupWithProgress(Workbench.java:1437)
   at org.eclipse.ui.internal.Workbench.openFirstTimeWindow(Workbench.java:1413)
   at org.eclipse.ui.internal.WorkbenchConfigurer.openFirstTimeWindow(WorkbenchConfigurer.java:190)
   at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:708)
   at org.eclipse.ui.internal.Workbench.init(Workbench.java:1101)
   at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1863)
   at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
   at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
   at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
   at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
   at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
   at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
   at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
   at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
   at java.lang.reflect.Method.invoke(libgcj.so.81)
   at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
   at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
   at org.eclipse.core.launcher.Main.run(Main.java:977)
   at org.eclipse.core.launcher.Main.main(Main.java:952)
-------------- next part --------------
ewhac at walkies:~$ eclipse -debug
searching for compatible vm...
  testing /usr/lib/jvm/java-gcj...found
Could not create /usr/local/lib/eclipse/.eclipseextension. Please run as root:
    touch /usr/local/lib/eclipse/.eclipseextension
    chmod 2775 /usr/local/lib/eclipse/.eclipseextension
    chown root:staff /usr/local/lib/eclipse/.eclipseextension
Start VM: /usr/lib/jvm/java-gcj/bin/java
-Djava.library.path=/usr/lib/jni
-Dgnu.gcj.precompiled.db.path=/var/lib/gcj-4.2/classmap.db
-Dgnu.gcj.runtime.VMClassLoader.library_control=never
-Dosgi.locking=none
-jar /usr/lib/eclipse/startup.jar
-os linux
-ws gtk
-arch x86
-launcher /usr/lib/eclipse/eclipse
-name Eclipse
-showsplash 600
-exitdata 111e0008
-install /usr/lib/eclipse
-debug
-vm /usr/lib/jvm/java-gcj/bin/java
-vmargs
-Djava.library.path=/usr/lib/jni
-Dgnu.gcj.precompiled.db.path=/var/lib/gcj-4.2/classmap.db
-Dgnu.gcj.runtime.VMClassLoader.library_control=never
-Dosgi.locking=none
-jar /usr/lib/eclipse/startup.jar 
Install location:
    file:/usr/lib/eclipse/
Configuration file:
    file:/usr/lib/eclipse/configuration/config.ini loaded
Configuration location:
    file:/home/ewhac/.eclipse/org.eclipse.platform_3.2.0/configuration
Configuration file:
    file:/home/ewhac/.eclipse/org.eclipse.platform_3.2.0/config.ini not found or not read
Shared configuration location:
    file:/usr/lib/eclipse/configuration/
Framework located:
    file:/usr/lib/eclipse/plugins/org.eclipse.osgi_3.2.2.R32x_v20070118.jar
Framework classpath:
    file:/usr/lib/eclipse/plugins/org.eclipse.osgi_3.2.2.R32x_v20070118.jar
Splash location:
    /usr/lib/eclipse/plugins/org.eclipse.platform_3.2.2.r322_v20070117b/splash.bmp
runCommand:
    </usr/lib/eclipse/eclipse><-name><Eclipse><-showsplash><600></usr/lib/eclipse/plugins/org.eclipse.platform_3.2.2.r322_v20070117b/splash.bmp>
Debug options:
    file:/home/ewhac/.options not found
Time to load bundles: 35
Starting application: 4220
Application Started: 19746



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