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Created attachment 116218 [details] thread dump Product Version: NetBeans IDE 7.1 (Build 201112071828) Java: 1.6.0_26; Java HotSpot(TM) Client VM 20.1-b02 System: Linux version 2.6.32-38-generic-pae running on i386; UTF-8; en_US (nb) UI disappeared after exiting IDE but the process still remains in memory. Thread dump from jstack attached.
Waiting in NbPreferences at org.openide.util.RequestProcessor$Task.waitFinished(RequestProcessor.java:1667) at org.netbeans.core.startup.preferences.NbPreferences.sync(NbPreferences.java:275) at org.netbeans.modules.projectapi.SimpleFileOwnerQueryImplementation.serialize(SimpleFileOwnerQueryImplementation.java:232)