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The message java.lang.IllegalStateException: Duplicate pair in treePair1: SL[/Executor/applet_executor pair2: SL[/Executor/applet_executor index1: 25 index2: 25 item1: org.netbeans.modules.applet.AppletExecutor@a7d24a item2 repeatedly appears when selecting almost any file system item. It also appears when I start up a new project. There seems to be some odd text (in red) in the menu tools/options/building/ant settings/Default Executor I cannot even enter this box to change the values
Created attachment 16352 [details] ide log- as suggested by Netbeans GUI
This has been fixed for promo-D. As workaround for 3.6 you can try to delete ${userdir}/system/Services/Executor/applet_executor or disable the applet module. *** This issue has been marked as a duplicate of 40364 ***
closed