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Bug 160307

Summary: NullPointerException at org.netbeans.modules.visual.graph.layout.HierarchicalLayout$BuildDatastructure.run
Product: uml Reporter: kvaso <kvaso>
Component: GeneralAssignee: issues@uml <issues>
Status: NEW ---    
Severity: blocker    
Priority: P3    
Version: 6.x   
Hardware: All   
OS: All   
URL: http://statistics.netbeans.org/exceptions/detail.do?id=136441
Issue Type: DEFECT Exception Reporter: 136441
Attachments: stacktrace

Description kvaso 2009-03-15 11:47:18 UTC
Build: NetBeans IDE 6.5 (Build 200811100001)
VM: Java HotSpot(TM) Client VM, 11.0-b15, Java(TM) SE Runtime Environment, 1.6.0_10-b33
OS: Windows XP, 5.1, x86

User Comments:
kvaso: trying to create UML from several packages

garciac12: I click in the layout button in a Class Diagram



Stacktrace: 
java.lang.NullPointerException
        at org.netbeans.modules.visual.graph.layout.HierarchicalLayout$BuildDatastructure.run(HierarchicalLayout.java:260)
        at org.netbeans.modules.visual.graph.layout.HierarchicalLayout$AlgorithmPart.start(HierarchicalLayout.java:171)
        at org.netbeans.modules.visual.graph.layout.HierarchicalLayout.performGraphLayout(HierarchicalLayout.java:206)
        at org.netbeans.api.visual.graph.layout.GraphLayout.layoutGraph(GraphLayout.java:116)
        at org.netbeans.modules.uml.drawingarea.engines.DiagramEngine.layout(DiagramEngine.java:612)
        at org.netbeans.modules.uml.drawingarea.ui.addins.diagramcreator.DiagCreatorAddIn.performLayout(DiagCreatorAddIn.java:1310)
Comment 1 kvaso 2009-03-15 11:47:24 UTC
Created attachment 78198 [details]
stacktrace
Comment 2 Exceptions Reporter 2009-12-28 22:05:46 UTC
This bug already has 5 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=136441