recurring java.lang.NullPointerException when closing Webdynpro tabs

[GeorgeYounan]

Hello everyone,

i am experiencing a recurring ava.lang.NullPointerException when closing Webdynpro tabs in Eclipse. I am using Eclipse Luna 64 bit with NetWeaver 740 SP 11. Did any one out there experience that issue or know what could be causing it?

Here is the exception stack:

java.lang.NullPointerException

  at com.sap.adt.wda.controller.ui.editor.pages.DeclarationPage.deactivateHandlers(DeclarationPage.java:261)

  at com.sap.adt.wda.controller.ui.editors.ControllerEditor.handleActivationAndDeactivation(ControllerEditor.java:611)

  at com.sap.adt.wda.view.ui.editor.ViewEditor.handleActivationAndDeactivation(ViewEditor.java:322)

  at com.sap.adt.wda.controller.ui.editors.ControllerEditor$3.partHidden(ControllerEditor.java:577)

  at org.eclipse.ui.internal.WorkbenchPage$27.run(WorkbenchPage.java:5139)

  at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

  at org.eclipse.ui.internal.WorkbenchPage.firePartHidden(WorkbenchPage.java:5136)

  at org.eclipse.ui.internal.WorkbenchPage.handleMinimizedStacks(WorkbenchPage.java:936)

  at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)

  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

  at java.lang.reflect.Method.invoke(Unknown Source)

  at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)

  at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)

  at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187)

  at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:156)

  at org.eclipse.swt.widgets.Display.syncExec(Display.java:4734)

  at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:218)

  at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:53)

  at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)

  at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)

  at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)

  at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

  at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)

  at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)

  at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)

  at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)

  at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81)

  at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:59)

  at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)

  at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:249)

  at org.eclipse.emf.common.notify.impl.NotifyingListImpl.remove(NotifyingListImpl.java:725)

  at org.eclipse.emf.common.util.AbstractEList.remove(AbstractEList.java:462)

  at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack.showStack(TrimStack.java:1077)

  at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack.restoreStack(TrimStack.java:919)

  at org.eclipse.e4.ui.workbench.addons.minmax.MinMaxAddon.restore(MinMaxAddon.java:617)

  at org.eclipse.e4.ui.workbench.addons.minmax.MinMaxAddon.subscribeTopicTagsChanged(MinMaxAddon.java:363)

  at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)

  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

  at java.lang.reflect.Method.invoke(Unknown Source)

  at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)

  at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)

  at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187)

  at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:156)

  at org.eclipse.swt.widgets.Display.syncExec(Display.java:4734)

  at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:218)

  at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:53)

  at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)

  at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)

  at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)

  at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

  at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)

  at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)

  at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)

  at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)

  at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81)

  at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:59)

  at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)

  at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:249)

  at org.eclipse.emf.common.notify.impl.NotifyingListImpl.remove(NotifyingListImpl.java:725)

  at org.eclipse.emf.common.util.AbstractEList.remove(AbstractEList.java:462)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.SplitDropAgent2.drop(SplitDropAgent2.java:297)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.DragAgent.dragFinished(DragAgent.java:159)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.PartDragAgent.dragFinished(PartDragAgent.java:111)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager.finishDrag(DnDManager.java:276)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager.startDrag(DnDManager.java:243)

  at org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager$1.dragDetected(DnDManager.java:87)

  at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:127)

  at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

  at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)

  at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)

  at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)

  at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)

  at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)

  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)

  at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)

  at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)

  at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)

  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)

  at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)

  at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)

  at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)

  at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

  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 org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)

  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

  at java.lang.reflect.Method.invoke(Unknown Source)

  at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)

  at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)

  at org.eclipse.equinox.launcher.Main.run(Main.java:1465)

  at org.eclipse.equinox.launcher.Main.main(Main.java:1438)

Thanks a lot,

George

[Former Member]

Hi George,

The fix is provided for this issue and it would be available in the next ADT release.

Best Regards,

Prasanna