java.lang.NullPointerException

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    • java.lang.NullPointerException at javax.swing.plaf.basic.BasicTreeUI.completeEditing(BasicTreeUI.java:2009) at javax.swing.plaf.basic.BasicTreeUI.completeEditing(BasicTreeUI.java:1974) at javax.swing.plaf.basic.BasicTreeUI$Handler.valueChanged(BasicTreeUI.java:3637) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:629) at javax.swing.tree.DefaultTreeSelectionModel.clearSelection(DefaultTreeSelectionModel.java:570) at javax.swing.tree.VariableHeightLayoutCache.rebuild(VariableHeightLayoutCache.java:740) at javax.swing.tree.VariableHeightLayoutCache.treeStructureChanged(VariableHeightLayoutCache.java:626) at javax.swing.plaf.basic.BasicTreeUI$Handler.treeStructureChanged(BasicTreeUI.java:3824) at com.hyperion.install.wizard.swing.FeatureTreeModel.fireStructureChanged(FeatureTreeModel.java:511) at com.hyperion.install.wizard.swing.FeatureTreeModel.fireStructureChanged(FeatureTreeModel.java:520) at com.hyperion.install.wizard.swing.TreeSelectionFieldSwingImpl$11.run(TreeSelectionFieldSwingImpl.java:311) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:611) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
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