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javax.jmi.reflect.InvalidObjectException: Object with MOFID FA3D5EDD-882A-11DA-A53D- B00264E1AA77:0000000000010F57 no longer exists, class: org.netbeans.jmi.javamodel.JavaClass $Impl at org.netbeans.mdr.handlers.BaseObjectHandler._getDelegate(BaseObjectHandler.java:359) at org.netbeans.mdr.handlers.InstanceHandler.getInstanceDelegate(InstanceHandler.java:48) at org.netbeans.mdr.handlers.InstanceHandler._handleGet(InstanceHandler.java:193) at org.netbeans.jmi.javamodel.JavaClass$Impl.super_getContents(Unknown Source) at org.netbeans.modules.javacore.jmiimpl.javamodel.JavaClassImpl.getContents (JavaClassImpl.java:413) at org.netbeans.jmi.javamodel.JavaClass$Impl.getContents(Unknown Source) at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.findMainIn(ResourceImpl.java: 1705) at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.findMainIn(ResourceImpl.java: 1712) at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.getMain(ResourceImpl.java: 1691) at org.netbeans.modules.java.JavaNode.hasMain(JavaNode.java:632) at org.netbeans.modules.java.JavaNode.resolveIcons(JavaNode.java:592) at org.netbeans.modules.java.JavaNode$StateUpdater.updateNodes(JavaNode.java:709) at org.netbeans.modules.java.JavaNode$StateUpdater.run(JavaNode.java:702) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:493) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:926)
Can you provide more detail information. What type of project do you use? Version of jdk, has previous run of netbeans finished correctly? As a quick workaround you can try to start NB with fresh userdir.
Javacore module was replaced by Retouche infrastructure. This bug is not valid in trunk any more.
Reorganization of java component