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NB 4.2 dev build 20050824 JDK 1.5.0_04 AE is thrown when IDE is started with --open parameter. The specified fine is not opened. java.lang.AssertionError: Action org.openide.actions.OpenAction may not be invoked from the thread main, only the event queue: http://www.netbeans.org/download/4_1/javadoc/OpenAPIs/apichanges.html#actions-event-thread at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:35) at org.openide.util.actions.NodeAction.actionPerformed(NodeAction.java:226)
Created attachment 24175 [details] assertion
*** This issue has been marked as a duplicate of 62857 ***
verified duplicate