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Although I read the bug reporting guidelines prior to submitting this one and trying to stick with them, forgive me for any irrelevance since this is my first posting. All that said, I am also new to Netbeans IDE and have not deep experience in Java. I recently downloaded the 4.0 Beta 1 IDE, no problems on installation. But, I encounter an exception message box with the following text after every IDE startup. The exception message is: Annotation: Exception occurred in Request Processor java.lang.IllegalStateException: Metamodel XMI malformed. at org.netbeans.lib.jmi.util.MetamodelManager.update(MetamodelManager.java:146) at org.netbeans.lib.jmi.util.MetamodelManager.findRootPackage(MetamodelManager.java:51) at org.netbeans.modules.javacore.JMManager.init(JMManager.java:140) at org.netbeans.modules.javacore.JMManager.access$600(JMManager.java:72) at org.netbeans.modules.javacore.JMManager$7.run(JMManager.java:1108) at org.openide.util.Task.run(Task.java:136) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686) ==> java.lang.NullPointerException at org.netbeans.mdr.NBMDRepositoryImpl.getMOFModelPackage(NBMDRepositoryImpl.java:700) at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:439) at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:292) at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:280) at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:269) at org.netbeans.lib.jmi.util.MetamodelManager.update(MetamodelManager.java:131) at org.netbeans.lib.jmi.util.MetamodelManager.findRootPackage(MetamodelManager.java:51) at org.netbeans.modules.javacore.JMManager.init(JMManager.java:140) at org.netbeans.modules.javacore.JMManager.access$600(JMManager.java:72) at org.netbeans.modules.javacore.JMManager$7.run(JMManager.java:1108) at org.openide.util.Task.run(Task.java:136) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686) --- End exception message Other than that, everything seems OK.... My operating environment is Windows XP (English) with SP2. Localization (regional settings) is Turkish. I saw some issues related to XMI but none of them was similar. Thanks.
Created attachment 17640 [details] Message snapsot image.
Seems like a problem with access rights. Are you sure you were not running several instances of the IDE simultaneously? Could you please attach the IDE log? (in $nbuserdir/var/log/messages.log)
*** This issue has been marked as a duplicate of 50722 ***