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I have first openide .java file via "Edit" action. Then I've done "Open" on the same object (that contains both .java & .form). Thread Dump in attachment.
Created attachment 853 [details] The Thread Dump
Fixed in org.openide.awt.Actions. Hopefully will not cause ArrayIndexOutOfBounds exceptions....
Target milestone 3.2
verified in [nb_dev](20020503)
Resolved for 3.4.x or earlier, no new info since then -> closing.