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Product Version: NetBeans IDE Dev (Build 200804290004) Operating System: Linux version 2.6.22-14-generic running on i386 Java; VM; Vendor: 1.6.0_05; Java HotSpot(TM) Client VM 10.0-b19; Sun Microsystems Inc. Runtime: Java(TM) SE Runtime Environment 1.6.0_05-b12 Java Home: /usr/java/jdk1.6.0_05/jre System Locale; Encoding: en_US (nb); UTF-8 I attempted to delete the java desktop application from the Projects view, I have checked the checkbox to delete the sources as well. IDE just froze in the state you can see in the screenshot, I had to kill it from the command line...
Created attachment 60802 [details] screenshot
Created attachment 60803 [details] thread dump
Duplicate of issue #141326 which Honza has already fixed. The problem was that at org.netbeans.modules.form.palette.PaletteUtils$ClassPathListener.propertyChange(PaletteUtils.java:587) should call refresh of nodes in SwingUtilities.runLater(). *** This issue has been marked as a duplicate of 141326 ***
OK. Verified.