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This issue was reported manually by gorrus. It already has 65 duplicates Build: NetBeans IDE 6.9 (Build 201006101454) VM: Java HotSpot(TM) Client VM, 16.2-b04, Java(TM) SE Runtime Environment, 1.6.0_19-b04 OS: Windows XP User Comments: narve: Debugging my Swing GUI artisan: running a unit test GUEST: Don't know exactly when the problem occured. milinkp: I dont know when its comes.. Its happened when i try to execute the program , GUEST: stopped debugging mmirilovic: Switch to Loaded classes mmirilovic: Steps to reproduce: - I had opened MemoryView project - CLass breakpoint in group 'xxxx' and another line breakpoint inside constructor - started debugger - slected Breakpoint's group node 'xxx' and pushed 'Delete All' from context menu - continue in debugging GUEST: debuging GUEST: was viewing variables and then stopped debugging GUEST: trying to debug .. debug failing to stop at breakpoints GUEST: Debuging web application GUEST: Noticed this after debugging my program GUEST: debugging GUEST: I was debugging and clicked the "STOP"-button when this error occured GUEST: Debugging to wrong remote host. artisan: This happens once in while during testing. Don't know to reproduce. GUEST: Hi, during a "Clean and build" the system showed me this problem... fortunately it hasn't crush the system. GUEST: Stop debug program and see problem. phill84: deploying a webapp in tomcat GUEST: simply stopped debugging now -.- Stacktrace: java.lang.NullPointerException: Null child at index 0, parent: Root, model: org.netbeans.spi.viewmodel.Models$CompoundModel@2e3bfd TreeModel = org.netbeans.spi.viewmodel.Models$CompoundTreeModel@154c01b org.netbeans.modules.debugger.jpda.projects.ToolTipTreeModelFilter@4bd577 org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter@382a2a org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilterSI@1584d5c org.netbeans.spi.viewmodel.Models$DelegatingTreeModel@16474ad org.netbeans.modules.debugger.jpda.models.LocalsTreeModel@7af492 NodeModel = org.netbeans.spi.viewmodel.Models$CompoundNodeModel@185e463 org.netbeans.modules.debugger.jpda.projects.ToolTipNodeModelFilter@ab8417 org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter@382a2a org.netbeans.modules.debugger.jpda.ui.models.VariablesNodeModel@16329ac org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilterSI@1584d5c TableModel = org.netbean at org.netbeans.modules.viewmodel.TreeModelNode$TreeModelChildren.applyChildren(TreeModelNode.java:1380) at org.netbeans.modules.viewmodel.TreeModelNode$TreeModelChildren.refreshLazyChildren(TreeModelNode.java:1356) at org.netbeans.modules.viewmodel.TreeModelNode$TreeModelChildren.refreshChildren(TreeModelNode.java:1216) at org.netbeans.modules.viewmodel.TreeModelNode.refreshTheChildren(TreeModelNode.java:823) at org.netbeans.modules.viewmodel.TreeModelNode.refreshTheChildren(TreeModelNode.java:806) at org.netbeans.modules.viewmodel.TreeModelNode$5.run(TreeModelNode.java:549)
Created attachment 106885 [details] stacktrace
This is a bug in ToolTipTreeModelFilter, already fixed in NB 7.0.