recurring java.lang.NullPointerException when closing Webdynpro tabs

GeorgeYounan — Wed, 16 Dec 2015 10:04:16 GMT

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)