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NetBeans IDE Dev (Build 20070419-0559) 1.6.0; Java HotSpot(TM) Client VM 1.6.0-b105 Windows XP version 5.1 running on x86 en_GB (nb); Cp1252 Description: ============ have simple J2SE project (appframework lib is not in project as default) Create some jFrame with control 1.add appframework lib in project 2. select jbutton - NPE will occur immediately 3. try to invoke action editor of that button - NPE will occur all the time till lib is not removed. StackTrace: =========== java.lang.NullPointerException at org.netbeans.modules.swingapp.ActionManager.getFileForClass(ActionManager.java:938) at org.netbeans.modules.swingapp.ActionManager.getActions(ActionManager.java:267) at org.netbeans.modules.swingapp.ActionEditor.getApplicationActions(ActionEditor.java:299)
Created attachment 41240 [details] 101752
Seems to be the same case as 100764. *** This issue has been marked as a duplicate of 100764 ***