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This bug was originally marked as duplicate of bug 175687, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 6.8 (Build 200912041610) VM: Java HotSpot(TM) Client VM, 14.0-b16, Java(TM) SE Runtime Environment, 1.6.0_14-b08 OS: Windows XP User Comments: GUEST: Compilando um projeto web GUEST: creating a package in J2me project !! ebeb: Attatching a Java JPDA Debugger to a socket (Mobility, Cinterion CMTK on device debugging). GUEST: I was trying to debug a midlet using the motorola g24 debug tool GUEST: Compiling a Web Application Stacktrace: java.lang.NullPointerException at org.netbeans.modules.mobility.project.ui.ProjectRootNodeChildren.removeNotify(ProjectRootNodeChildren.java:114) at org.openide.nodes.AsynchChildren.removeNotify(AsynchChildren.java:96) at org.openide.nodes.Children.callRemoveNotify(Children.java:553) at org.openide.nodes.EntrySupport$Default.finalizedChildrenArray(EntrySupport.java:892) at org.openide.nodes.EntrySupport$Default$ChArrRef.run(EntrySupport.java:976) at org.netbeans.modules.openide.util.ActiveQueue.run(ActiveQueue.java:64)
Created attachment 103536 [details] stacktrace
*** Bug 192530 has been marked as a duplicate of this bug. ***
org.openide.nodes.AsynchChildren.removeNotify calls org.netbeans.modules.mobility.project.ui.ProjectRootNodeChildren.removeNotify twice
How do you know? Can you prove it by showing the stack traces of the two calls?