java.lang.NullPointerException: This exception has no message.

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 GitHub by elharo
, 11 months ago
This exception has no message.
java.lang.NullPointerException:
at org.eclipse.wst.server.ui.internal.editor.GlobalCommandManager.getTimestamp(GlobalCommandManager.java:717)
at org.eclipse.wst.server.ui.internal.editor.GlobalCommandManager.updateTimestamps(GlobalCommandManager.java:713)
at org.eclipse.wst.server.ui.internal.editor.ServerEditor.checkResourceState(ServerEditor.java:991)
at org.eclipse.wst.server.ui.internal.editor.ServerEditor$ActivationListener.handleActivation(ServerEditor.java:82)
at org.eclipse.ui.internal.PartService.partActivated(PartService.java:81)
at org.eclipse.ui.internal.WorkbenchWindow$WWinPartService.partActivated(WorkbenchWindow.java:3100)
at org.eclipse.ui.internal.WorkbenchPage.firePartActivated(WorkbenchPage.java:4909)
at org.eclipse.ui.internal.WorkbenchPage.access$19(WorkbenchPage.java:4897)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:242)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:711)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:639)
at org.eclipse.ui.internal.WorkbenchPage.activate(WorkbenchPage.java:980)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3213)
at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3167)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3144)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3108)
at org.eclipse.wst.server.ui.internal.ServerUIPlugin.editServer(ServerUIPlugin.java:443)
at org.eclipse.wst.server.ui.internal.ServerUIPlugin.editServer(ServerUIPlugin.java:426)
at org.eclipse.wst.server.ui.internal.view.servers.OpenAction.perform(OpenAction.java:36)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1499)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1299)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4072)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
at org.eclipse.equinox.launcher.Main.run(Main.java:1515)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 2 years ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.