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This bug was originally marked as duplicate of bug 118019, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 6.9 Beta (Build 201004200117) VM: Java HotSpot(TM) 64-Bit Server VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02 OS: Windows 7 User Comments: swpalmer: Dropped a Combo box from the palette onto my JPanel form. sternix: i get this when i playing with the SwingX Filters and components piero: while moving some components into a JPanel GUEST: Occured when draggin componens to jxpanel. GUEST: Adding a panel from the pallet to a panel in a JDialog form Stacktrace: java.lang.NullPointerException at org.netbeans.modules.form.VisualReplicator.updateContainerLayout(VisualReplicator.java:293) at org.netbeans.modules.form.VisualReplicator.updateAddedComponents(VisualReplicator.java:339) at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2411) at org.netbeans.modules.form.FormLAF$3.run(FormLAF.java:323) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268)
Created attachment 98343 [details] stacktrace
The reported exception seems to be a consequence of previous exception. The message.log shows that the original exception was java.lang.NullPointerException at org.netbeans.modules.form.RADComponent.getAllBindingProperties (RADComponent.java:671) ... This exception is caused by the same problem as issue 185330 => closing as duplicate. *** This bug has been marked as a duplicate of bug 185330 ***