Description:
Unable to open the Site Topology Editor using TIBCO BusinessEvents 5.0.0 HF2. Error thrown.


Symptoms:
This occurs with newly created Site Topology files. The error is seen in the Site Topology Editor.

Could not open the editor: An unexpected exception was thrown.

With the details:

java.lang.NullPointerException
    at com.tibco.cep.studio.cluster.topology.editors.ClusterTopologyEditor.createPages(Unknown Source)
    at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:310)
    at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
    at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428)
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
    at org.eclipse.ui.internal.EditorAreaHelper.setVisibleEditor(EditorAreaHelper.java:263)
    at org.eclipse.ui.internal.EditorManager.setVisibleEditor(EditorManager.java:1410)
    at org.eclipse.ui.internal.EditorManager$5.runWithException(EditorManager.java:944)
    at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
    at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
    at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
    at org.eclipse.ui.internal.Workbench$27.runWithException(Workbench.java:1363)
    at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
    at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2295)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
    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:386)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)




Cause:
A regression issue was identified in BE5.0.0 Hf2.