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NetBeans IDE Dev (Build 200705101800) 1.6.0; Java HotSpot(TM) Client VM 1.6.0-b105 Linux version 2.6.20-15-generic running on i386 en_US (nb); UTF-8 + fresh ruby1 cluster ------------------------------------------ i was unable to reproduce with fresh userdir, this happened after steps as described in issue 103756 (i.e.there were some relics from previous java debugger session), i just switched to local variables window, and got this NPE: java.lang.NullPointerException: Model: org.netbeans.spi.viewmodel.Models$CompoundModel@184aa30 TreeModel = org.netbeans.spi.viewmodel.Models$DelegatingTreeModel@c14473 org.netbeans.modules.ruby.debugger.model.VariablesModel@a71c3a NodeModel = org.netbeans.modules.ruby.debugger.model.VariablesModel@a71c3a TableModel = org.netbeans.spi.viewmodel.Models$DelegatingTableModel@7513da org.netbeans.modules.ruby.debugger.model.VariablesModel@a71c3a NodeActionsProvider = org.netbeans.spi.viewmodel.Models$DelegatingNodeActionsProvider@6a5ddb ColumnsModel = [org.netbeans.modules.debugger.ui.models.ColumnModels$AbstractColumn@11a9912, org.netbeans.modules.debugger.ui.models.ColumnModels$AbstractColumn@1376d4e, org.netbeans.modules.debugger.ui.models.ColumnModels$AbstractColumn@1e95a0e, org.netbeans.modules.debugger.ui.models.ColumnModels$AbstractColumn@1176093].getDisplayName (null = null) = null! at org.netbeans.modules.viewmodel.TreeModelNode.refreshNode(TreeModelNode.java:358) at org.netbeans.modules.viewmodel.TreeModelNode.<init>(TreeModelNode.java:109) at org.netbeans.modules.viewmodel.TreeModelNode$TreeModelChildren.createNodes(TreeModelNode.java:671) at org.openide.nodes.Children$Keys$KE.nodes(Children.java:2181) at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:145) at org.openide.nodes.Children$Info.nodes(Children.java:1233) at org.openide.nodes.Children.updateRemove(Children.java:848) at org.openide.nodes.Children.setEntries(Children.java:809) at org.openide.nodes.Children$Keys$2.run(Children.java:2067) at org.openide.util.Mutex.postRequest(Mutex.java:1151) at org.openide.util.Mutex.postWriteRequest(Mutex.java:490) at org.openide.nodes.Children$Keys.applyKeys(Children.java:2076) at org.openide.nodes.Children$Keys.setKeys(Children.java:2021) at org.netbeans.modules.viewmodel.TreeModelNode$TreeModelChildren.removeNotify(TreeModelNode.java:506) at org.openide.nodes.Children.finalizedChildrenArray(Children.java:684) at org.openide.nodes.ChildrenArray.finalize(ChildrenArray.java:57) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) [catch] at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
I've put there some assertions which should tell us more next time this happens. Please reopen eventually. There were some fixes which could fix this as well. Closing for now. debugger/src/org/netbeans/modules/ruby/debugger/model/VariablesModel.java; new revision: 1.5; previous revision: 1.4
Reassigning this issue to newly created 'ruby' component.
Changing target milestone of all resolved Ruby issues from TBD to 6.0 Beta 1 build.