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(NetBeans 5.0, Linux / Fedora Core 4, Intel PC, JDK 1.6.0-b84) A deadlock occured after I asked the IDE to display a diff of the current file. I right-clicked on the tab of a file (JUnitAntLogger.java) in the editor and selected CVS|Diff.... A tab labelled "JUnitAntLogger.java [ Diff ]" was opened and activated, a progress bar with title 'Diffing "JUnitAntLogger.java" ...' appeared and the IDE froze. According to the JRE, the freeze was caused by a deadlock: Found one Java-level deadlock: ============================= "Default RequestProcessor": waiting to lock monitor 0x08fe670c (object 0x8e7432a0, a java.lang.Class), which is held by "AWT-EventQueue-1" "AWT-EventQueue-1": waiting to lock monitor 0x08fe6af4 (object 0x86fe45a8, a org.netbeans.modules.editor.EditorModule$HackMap), which is held by "Default RequestProcessor" I will attach a full thread dump.
Created attachment 30586 [details] full thread dump
I think this is an editor issue, please evaluate.
This should be now fixed after the changes made for fixing issue #92449.