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 Appcelerator JIRA by Thomas Huelbert, 1 year ago
via Appcelerator JIRA by Thomas Huelbert, 2 years ago
via Google Groups by Nonni, 2 years ago
java.lang.NullPointerException: 	at org.eclipse.core.internal.resources.ProjectDescription.hasNature(ProjectDescription.java:286)	at org.eclipse.core.internal.resources.Project.hasNature(Project.java:517)	at org.eclipse.core.internal.propertytester.ResourcePropertyTester.test(ResourcePropertyTester.java:118)	at org.eclipse.core.internal.expressions.Property.test(Property.java:58)	at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:99)	at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)	at org.eclipse.core.internal.expressions.AdaptExpression.evaluate(AdaptExpression.java:91)	at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)	at org.eclipse.core.internal.expressions.IterateExpression.evaluate(IterateExpression.java:189)	at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)	at org.eclipse.core.internal.expressions.WithExpression.evaluate(WithExpression.java:72)	at org.eclipse.ui.internal.services.EvaluationResultCache.evaluate(EvaluationResultCache.java:74)	at org.eclipse.ui.internal.WorkbenchWindow.liftRestrictions(WorkbenchWindow.java:3060)	at org.eclipse.ui.internal.WorkbenchWindow$28.shellActivated(WorkbenchWindow.java:3112)	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:88)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3783)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1398)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1379)	at org.eclipse.swt.widgets.Shell.windowDidBecomeKey(Shell.java:1892)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5031)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:213)	at org.eclipse.swt.widgets.Widget.becomeKeyWindow(Widget.java:324)	at org.eclipse.swt.widgets.Shell.becomeKeyWindow(Shell.java:478)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4863)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend_bool(Native Method)	at org.eclipse.swt.internal.cocoa.NSRunLoop.runMode(NSRunLoop.java:42)	at org.eclipse.swt.widgets.Display.sleep(Display.java:4200)	at org.eclipse.ui.application.WorkbenchAdvisor.eventLoopIdle(WorkbenchAdvisor.java:364)	at com.appcelerator.titanium.rcp.IDEWorkbenchAdvisor.eventLoopIdle(IDEWorkbenchAdvisor.java:862)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2641)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at com.appcelerator.titanium.rcp.IDEApplication.start(IDEApplication.java:129)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)	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:620)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)	at org.eclipse.equinox.launcher.Main.run(Main.java:1408)