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

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via Coderanch by Giomar Guevara, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:135)
at org.eclipse.jface.viewers.AbstractTableViewer.doUpdateItem(AbstractTableViewer.java:386)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:199)
at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2026)
at org.eclipse.jface.viewers.AbstractTableViewer.createItem(AbstractTableViewer.java:264)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:741)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:633)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:620)
at org.eclipse.jface.viewers.AbstractTableViewer$2.run(AbstractTableViewer.java:576)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1368)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1330)
at org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:574)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:251)
at woden.View.createPartControl(View.java:77)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:370)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:227)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:179)
at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1604)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:649)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:576)
at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:564)
at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:270)
at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:931)
at org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2515)
at org.eclipse.ui.internal.WorkbenchWindow$23.run(WorkbenchWindow.java:2837)
at org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2818)
at org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:735)
at org.eclipse.ui.internal.Workbench$20.runWithException(Workbench.java:1023)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3659)
at org.eclipse.ui.internal.Workbench$25.runWithException(Workbench.java:1342)
at org.eclipse.ui.internal.StartupThreading.runWithoutExceptions(StartupThreading.java:94)
at org.eclipse.ui.internal.Workbench.init(Workbench.java:1337)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2319)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
at woden.Application.start(Application.java:20)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)

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