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17 duplicates so far ... all of them reported against NB 6.5 Beta - expect it's already fixed Build: NetBeans IDE 6.5 Beta (Build 200808111757) VM: Java HotSpot(TM) Client VM, 10.0-b19, Java(TM) SE Runtime Environment, 1.6.0_05-b13 OS: Windows Vista, 6.0, x86 User comments: STACKTRACE: (first 10 lines) java.lang.IllegalArgumentException: A node selection cannot contain nodes ([FrameView]) not underneath the root (). at org.openide.explorer.ExplorerManager.checkUnderRoot(ExplorerManager.java:573) at org.openide.explorer.ExplorerManager.access$300(ExplorerManager.java:87) at org.openide.explorer.ExplorerManager$AtomicSetSelectedNodes.checkArgumentIsValid(ExplorerManager.java:235) at org.openide.explorer.ExplorerManager$AtomicSetSelectedNodes.run(ExplorerManager.java:277) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:284) at org.netbeans.modules.form.ComponentInspector.setSelectedNodes(ComponentInspector.java:333) at org.netbeans.modules.form.FormDesigner.updateComponentInspector(FormDesigner.java:1388) at org.netbeans.modules.form.FormDesigner.setSelectedComponent(FormDesigner.java:926) at org.netbeans.modules.form.FormDesigner.initialize(FormDesigner.java:339)
*** This issue has been marked as a duplicate of 145376 ***
v/c