java.lang.IllegalStateException: Too many org.netbeans.modules.extbrowser.NbDefaultUnixBrowserImpl$ProcessWatcher (3) in shared RequestProcessor; create your own
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:425)
   at org.netbeans.modules.extbrowser.NbDefaultUnixBrowserImpl.setURL(NbDefaultUnixBrowserImpl.java:104)
   at org.openide.awt.HtmlBrowser$1URLSetter.run(HtmlBrowser.java:478)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:647)
   at java.awt.EventQueue.access$000(EventQueue.java:96)
   at java.awt.EventQueue$1.run(EventQueue.java:608)
   at java.awt.EventQueue$1.run(EventQueue.java:606)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:617)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)