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Created attachment 111033 [details] IDE log Product Version: NetBeans IDE 7.1 Beta (Build 201109212202) Java: 1.7.0; Java HotSpot(TM) 64-Bit Server VM 21.0-b17 System: Windows 7 version 6.1 running on amd64; Cp1252; en_US (nb) 1) create new FX project 2) invoke Properties from pop-up menu on the project 3) click OK, exception occurs: java.lang.IllegalStateException: Should not acquire Children.MUTEX while holding ProjectManager.mutex() at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1910) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1326) at org.openide.util.Mutex.readAccess(Mutex.java:354)
fixed in jet-main http://hg.netbeans.org/jet-main/rev/ffe54048639d
Patch verified in trunk. Please proceed with integration into Beta release.
Integrated into 'main-golden' Changeset: http://hg.netbeans.org/main-golden/rev/ffe54048639d User: Petr Somol <psomol@netbeans.org> Log: #202492 - invoking project properties before first run exception
*** Bug 202597 has been marked as a duplicate of this bug. ***
verified in 7.1 Beta (201109252201)