java.lang.ClassCastException: sun.awt.image.ToolkitImage cannot be cast to javax.swing.Icon at org.netbeans.core.output2.ui.WeakAction.(WeakAction.java:73) at org.netbeans.core.output2.ui.AbstractOutputTab.installKeyboardAction(AbstractOutputTab.java:194) at org.netbeans.core.output2.ui.AbstractOutputTab.setToolbarActions(AbstractOutputTab.java:169) at org.netbeans.core.output2.Controller.createOutputTab(Controller.java:118) at org.netbeans.core.output2.Controller.performCommand(Controller.java:329) at org.netbeans.core.output2.Controller.eventDispatched(Controller.java:108) at org.netbeans.core.output2.IOEvent.dispatch(IOEvent.java:281) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)