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NoClassDefFoundError [message #141738] Thu, 09 October 2003 09:46 Go to next message
Eclipse UserFriend
Originally posted by: emmanuel.boudrant.free.fr

Hi,

I've hot two plugin A and B, B depends on A.

When I activate B, I've got a NoClassDefFoundError :

java.lang.NoClassDefFoundError: com/foo/plugin/core/model/Model
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.security.SecureClassLoader.defineClass(SecureClassLoade r.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find Class(DelegatingURLClassLoader.java:922)
at
org.eclipse.core.internal.plugins.PluginClassLoader.internal FindClassParentsSelf(PluginClassLoader.java:166)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find ClassParentsSelf(DelegatingURLClassLoader.java:485)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:882)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:862)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302 )
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:16 10)
at java.lang.Class.getConstructor0(Class.java:1922)
at java.lang.Class.getConstructor(Class.java:1019)
at
org.eclipse.core.internal.plugins.PluginDescriptor.internalD oPluginActivation(PluginDescriptor.java:709)
at
org.eclipse.core.internal.plugins.PluginDescriptor.doPluginA ctivation(PluginDescriptor.java:188)
at
org.eclipse.core.internal.plugins.PluginClassLoader.activate Plugin(PluginClassLoader.java:112)
at
org.eclipse.core.internal.plugins.PluginClassLoader.internal FindClassParentsSelf(PluginClassLoader.java:185)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find ClassParentsSelf(DelegatingURLClassLoader.java:485)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:882)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:862)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:130)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:167)
at
org.eclipse.core.internal.plugins.ConfigurationElement.creat eExecutableExtension(ConfigurationElement.java:103)
at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugi n.java:158)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:69)
at
org.eclipse.ui.internal.WorkbenchPlugin.createExtension(Work benchPlugin.java:155)
at
org.eclipse.ui.internal.registry.PerspectiveDescriptor.creat eFactory(PerspectiveDescriptor.java:98)
at
org.eclipse.ui.internal.Perspective.loadPredefinedPersp(Pers pective.java:653)
at
org.eclipse.ui.internal.Perspective.createPresentation(Persp ective.java:278)
at org.eclipse.ui.internal.Perspective.<init>(Perspective.java:177)
at
org.eclipse.ui.internal.WorkbenchPage.createPerspective(Work benchPage.java:965)
at
org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(Wor kbenchPage.java:617)
at org.eclipse.ui.internal.WorkbenchPage.access$8(WorkbenchPage .java:609)
at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.j ava:2705)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:69)
at
org.eclipse.ui.internal.WorkbenchPage.setPerspective(Workben chPage.java:2703)
at
org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeTo PerspectiveMenu.java:58)
at org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.j ava:331)
at
org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveM enu.java:346)
at
org.eclipse.ui.actions.PerspectiveMenu$4.widgetSelected(Pers pectiveMenu.java:118)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListe ner.java:89)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :81)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:840)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:1838)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :1545)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:1402)
at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)
at
org.eclipse.core.internal.boot.InternalBootLoader.run(Intern alBootLoader.java:858)
at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
at org.eclipse.core.launcher.Main.run(Main.java:747)
at org.eclipse.core.launcher.Main.main(Main.java:583)



com/foo/plugin/core/model/Model is owned by plugin A.

Any idea ?

Thx,
-emmanuel
Re: NoClassDefFoundError [message #141783 is a reply to message #141738] Thu, 09 October 2003 11:07 Go to previous message
Eclipse UserFriend
Originally posted by: emmanuel.boudrant.free.fr

My mistake is I forgot to export my lib :

<runtime>
<library name="xtreme-core.jar">
<export name="*"/> <<<<HERE
</library>
</runtime>

-emmanuel

eboudrant wrote:

> Hi,

> I've hot two plugin A and B, B depends on A.

> When I activate B, I've got a NoClassDefFoundError :

> java.lang.NoClassDefFoundError: com/foo/plugin/core/model/Model
> at java.lang.ClassLoader.defineClass0(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
> at java.security.SecureClassLoader.defineClass(SecureClassLoade r.java:123)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find Class(DelegatingURLClassLoader.java:922)
> at
>
org.eclipse.core.internal.plugins.PluginClassLoader.internal FindClassParentsSelf(PluginClassLoader.java:166)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find ClassParentsSelf(DelegatingURLClassLoader.java:485)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:882)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:862)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302 )
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:16 10)
> at java.lang.Class.getConstructor0(Class.java:1922)
> at java.lang.Class.getConstructor(Class.java:1019)
> at
>
org.eclipse.core.internal.plugins.PluginDescriptor.internalD oPluginActivation(PluginDescriptor.java:709)
> at
>
org.eclipse.core.internal.plugins.PluginDescriptor.doPluginA ctivation(PluginDescriptor.java:188)
> at
>
org.eclipse.core.internal.plugins.PluginClassLoader.activate Plugin(PluginClassLoader.java:112)
> at
>
org.eclipse.core.internal.plugins.PluginClassLoader.internal FindClassParentsSelf(PluginClassLoader.java:185)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.find ClassParentsSelf(DelegatingURLClassLoader.java:485)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:882)
> at
>
org.eclipse.core.internal.boot.DelegatingURLClassLoader.load Class(DelegatingURLClassLoader.java:862)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
> at
>
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:130)
> at
>
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:167)
> at
>
org.eclipse.core.internal.plugins.ConfigurationElement.creat eExecutableExtension(ConfigurationElement.java:103)
> at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugi n.java:158)
> at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:69)
> at
>
org.eclipse.ui.internal.WorkbenchPlugin.createExtension(Work benchPlugin.java:155)
> at
>
org.eclipse.ui.internal.registry.PerspectiveDescriptor.creat eFactory(PerspectiveDescriptor.java:98)
> at
> org.eclipse.ui.internal.Perspective.loadPredefinedPersp(Pers pective.java:653)
> at
> org.eclipse.ui.internal.Perspective.createPresentation(Persp ective.java:278)
> at org.eclipse.ui.internal.Perspective.<init>(Perspective.java:177)
> at
>
org.eclipse.ui.internal.WorkbenchPage.createPerspective(Work benchPage.java:965)
> at
>
org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(Wor kbenchPage.java:617)
> at org.eclipse.ui.internal.WorkbenchPage.access$8(WorkbenchPage .java:609)
> at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.j ava:2705)
> at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:69)
> at
> org.eclipse.ui.internal.WorkbenchPage.setPerspective(Workben chPage.java:2703)
> at
>
org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeTo PerspectiveMenu.java:58)
> at org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.j ava:331)
> at
> org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveM enu.java:346)
> at
>
org.eclipse.ui.actions.PerspectiveMenu$4.widgetSelected(Pers pectiveMenu.java:118)
> at
> org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListe ner.java:89)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :81)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:840)
> at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:1838)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :1545)
> at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:1402)
> at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)
> at
>
org.eclipse.core.internal.boot.InternalBootLoader.run(Intern alBootLoader.java:858)
> at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
> at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:324)
> at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
> at org.eclipse.core.launcher.Main.run(Main.java:747)
> at org.eclipse.core.launcher.Main.main(Main.java:583)



> com/foo/plugin/core/model/Model is owned by plugin A.

> Any idea ?

> Thx,
> -emmanuel
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