Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Eclipse Bugzilla by error-reports-inbox, 2 years ago
via javaforge.com by Unknown author, 2 years ago
org.eclipse.core.runtime.AssertionFailedException: null argument:	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:84)	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:72)	at org.eclipse.jface.viewers.StructuredSelection.(StructuredSelection.java:66)	at org.eclipse.ui.internal.navigator.CommonNavigatorManager$2.run(CommonNavigatorManager.java:101)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)	at org.eclipse.ui.internal.navigator.CommonNavigatorManager$UpdateActionBarsJob.runInUIThread(CommonNavigatorManager.java:94)	at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:94)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3296)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2974)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)	at org.eclipse.equinox.launcher.Main.run(Main.java:1169)	at org.eclipse.equinox.launcher.Main.main(Main.java:1144)