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I quite often get the following error when starting windows desktop client:
DCO version is the latest 8.2.2.
What can be the problem?
Here is a part from the application log which indicates this NullPointerException:
2018-03-11 07:38:13,361 ERROR [com.apc.sma.client.Application$EclipseToLog4jLogListener] (main) Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench". [org.eclipse.core.runtime]
java.lang.NullPointerException
at com.apc.config.workbench.editorview.EditorViewPart.closing(EditorViewPart.java:606)
at com.apc.config.workbench.internal.editorview.EditorViewPartManager$PartListener.partClosed(EditorViewPartManager.java:250)
at org.eclipse.ui.internal.PartListenerList2$3.run(PartListenerList2.java:100)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
at org.eclipse.ui.internal.PartListenerList2.firePartClosed(PartListenerList2.java:98)
at org.eclipse.ui.internal.PartService.firePartClosed(PartService.java:227)
at org.eclipse.ui.internal.WWinPartService$WWinListener.partClosed(WWinPartService.java:46)
at org.eclipse.ui.internal.PartListenerList2$3.run(PartListenerList2.java:100)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
at org.eclipse.ui.internal.PartListenerList2.firePartClosed(PartListenerList2.java:98)
at org.eclipse.ui.internal.PartService.firePartClosed(PartService.java:227)
at org.eclipse.ui.internal.WorkbenchPagePartList.firePartClosed(WorkbenchPagePartList.java:39)
at org.eclipse.ui.internal.PartList.partClosed(PartList.java:274)
at org.eclipse.ui.internal.PartList.removePart(PartList.java:186)
at org.eclipse.ui.internal.WorkbenchPage.disposePart(WorkbenchPage.java:1796)
at org.eclipse.ui.internal.WorkbenchPage.partRemoved(WorkbenchPage.java:1789)
at org.eclipse.ui.internal.ViewFactory.releaseView(ViewFactory.java:257)
at org.eclipse.ui.internal.Perspective.hideView(Perspective.java:606)
at org.eclipse.ui.internal.WorkbenchPage.hideView(WorkbenchPage.java:2469)
at org.eclipse.ui.internal.WorkbenchPage.hideView(WorkbenchPage.java:2483)
at com.apc.config.workbench.editorview.EditorViewPart.closeView(EditorViewPart.java:338)
at com.apc.dcoverview.WorkbenchStartupServices.initPerspectiveLayout(WorkbenchStartupServices.java:407)
at com.apc.dcoverview.WorkbenchStartupServices.access$2(WorkbenchStartupServices.java:399)
at com.apc.dcoverview.WorkbenchStartupServices$1.run(WorkbenchStartupServices.java:112)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4155)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3772)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at com.apc.sma.client.Application.start(Application.java:224)
at com.apc.isxo.client.bootstrap.BootstrapApplication.start(BootstrapApplication.java:127)
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:344)
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:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
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I have a lot of "Widget Disposed" errors on my client since 8.2.2 also. I'll try the temp files thing once.
An error has occurred. See error log for more details. Widget is disposed
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Hi Jef,
I finally have a full screenshot from a user but I don't think it will really help. The reason is that error windows just come up at a certain point during the application start but it is hard to find exactly at which process.
My assumption is that appears during the server room opening:
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