org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException
   at java.lang.Thread.holdsLock(Thread.java:0)
   at org.openide.util.lookup.ProxyLookup.getData(ProxyLookup.java:280)
   at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:219)
   at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:223)
   at org.openide.util.lookup.ExcludingLookup.lookup(ExcludingLookup.java:142)
   at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:223)
   at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:156)
   at org.netbeans.modules.maven.execute.ActionToGoalUtils.isActionEnable(ActionToGoalUtils.java:179)
   at org.netbeans.modules.maven.ActionProviderImpl.isActionEnabled(ActionProviderImpl.java:342)
   at org.netbeans.modules.project.ui.actions.ActionsUtil.commandSupported(ActionsUtil.java:144)
   at org.netbeans.modules.project.ui.actions.ActionsUtil.getProjectsFromLookup(ActionsUtil.java:100)
   at org.netbeans.modules.project.ui.actions.ProjectAction$2.run(ProjectAction.java:184)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)