The primary contacts in the sidebar always gives the following exception:
Is this a known problem ? Is there a fix available ?
java.lang.NullPointerException
at com.ibm.collaboration.realtime.imhub.ImHub.hookupSelectionListeners(ImHub.java:1102)
at com.ibm.collaboration.realtime.primarybuddies.PrimaryBuddiesList.registerImHub(PrimaryBuddiesList.java:701)
at com.ibm.collaboration.realtime.primarybuddies.PrimaryBuddiesList.<init>(PrimaryBuddiesList.java:149)
at com.ibm.collaboration.realtime.primarybuddies.ExtPrimaryBuddiesShelf.createPartControl(ExtPrimaryBuddiesShelf.java:43)
at com.ibm.rcp.ui.internal.shelf.ShelfViewReference.createPartHelper(ShelfViewReference.java:341)
at com.ibm.rcp.ui.internal.shelf.ShelfViewReference.createPart(ShelfViewReference.java:210)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
at com.ibm.rcp.ui.shelf.ShelfPage.activatePart(ShelfPage.java:1279)
at com.ibm.rcp.ui.shelf.ShelfPage.access$10(ShelfPage.java:1270)
at com.ibm.rcp.ui.shelf.ShelfPage$9.handleEvent(ShelfPage.java:1449)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:962)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:706)
at com.ibm.rcp.swt.swidgets.SViewForm.internalSetMaximized(SViewForm.java:767)
at com.ibm.rcp.swt.swidgets.SViewStack.updateExpandedStates(SViewStack.java:621)
at com.ibm.rcp.swt.swidgets.SViewStack.setCollapsed(SViewStack.java:583)
at com.ibm.rcp.swt.swidgets.SViewStack$6.handleEvent(SViewStack.java:331)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:962)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:706)
at com.ibm.rcp.swt.swidgets.SViewForm.internalSetCollapsed(SViewForm.java:732)
at com.ibm.rcp.swt.swidgets.SViewForm.setCollapsed(SViewForm.java:713)
at com.ibm.rcp.ui.internal.presentations.ShelfStackPresentation.restoreState(ShelfStackPresentation.java:408)
at com.ibm.rcp.ui.shelf.ShelfPage.init(ShelfPage.java:851)
at com.ibm.rcp.ui.shelf.ShelfPage.access$28(ShelfPage.java:765)
at com.ibm.rcp.ui.shelf.ShelfPage$5.runInUIThread(ShelfPage.java:414)
at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:94)
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.swt.widgets.Display.readAndDispatch(Display.java:3296)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1932)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1896)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:424)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at com.ibm.rcp.personality.framework.internal.RCPApplication.run(RCPApplication.java:72)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at com.ibm.rcp.core.internal.launcher.Main.startLaunch(Main.java:902)
at com.ibm.rcp.core.internal.launcher.Main.main(Main.java:1326)