org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: MercurialRemote - ANY_KEY
   at org.netbeans.modules.mercurial.remote.HgModuleConfig.getDefault(HgModuleConfig.java:125)
   at org.netbeans.modules.mercurial.remote.util.HgCommand.makeHgLauncherCommandLine(HgCommand.java:4332)
   at org.netbeans.modules.mercurial.remote.util.HgCommand.toCommandList(HgCommand.java:4242)
   at org.netbeans.modules.mercurial.remote.util.HgCommand.execEnv(HgCommand.java:3970)
   at org.netbeans.modules.mercurial.remote.util.HgCommand.execForVersionCheck(HgCommand.java:4324)
   at org.netbeans.modules.mercurial.remote.util.HgCommand.getHgVersion(HgCommand.java:730)
   at org.netbeans.modules.mercurial.remote.Mercurial.checkVersionIntern(Mercurial.java:243)
   at org.netbeans.modules.mercurial.remote.Mercurial.access$100(Mercurial.java:83)
   at org.netbeans.modules.mercurial.remote.Mercurial$2.run(Mercurial.java:220)
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: Versioning parallel tasks
   at org.netbeans.modules.mercurial.remote.Mercurial.getV(Mercurial.java:232)
   at org.netbeans.modules.mercurial.remote.Mercurial.asyncInit(Mercurial.java:211)
   at org.netbeans.modules.mercurial.remote.Mercurial.init(Mercurial.java:190)
   at org.netbeans.modules.mercurial.remote.Mercurial.getInstance(Mercurial.java:135)
   at org.netbeans.modules.mercurial.remote.MercurialVCS.<init>(MercurialVCS.java:82)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
   at org.netbeans.core.startup.layers.BinaryFS$AttrImpl.getValue(BinaryFS.java:712)
   at org.netbeans.core.startup.layers.BinaryFS$BFSBase.getAttribute(BinaryFS.java:549)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:944)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:877)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:940)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:877)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:798)
   at org.netbeans.core.startup.layers.BinaryFS$FileMap.get(BinaryFS.java:1128)
   at org.netbeans.modules.versioning.core.DelegatingVCS.getDelegate(DelegatingVCS.java:138)
   at org.netbeans.modules.versioning.core.DelegatingVCS.getVCSAnnotator(DelegatingVCS.java:239)
   at org.netbeans.modules.versioning.core.ProjectMenuItem.createVersioningSystemActions(ProjectMenuItem.java:174)
   at org.netbeans.modules.versioning.core.ProjectMenuItem.access$900(ProjectMenuItem.java:76)
   at org.netbeans.modules.versioning.core.ProjectMenuItem$LazyMenu.getActions(ProjectMenuItem.java:330)
   at org.netbeans.modules.versioning.core.ProjectMenuItem$LazyMenu.access$400(ProjectMenuItem.java:237)
   at org.netbeans.modules.versioning.core.ProjectMenuItem$LazyMenu$1.run(ProjectMenuItem.java:269)
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: MercurialRemoteRefresh
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: A deadlock was detected.
We suggest to restart the IDE to recover.
   at org.netbeans.modules.mercurial.remote.Mercurial.getInstance(Mercurial.java:133)
   at org.netbeans.modules.mercurial.remote.HgModuleConfig.<init>(HgModuleConfig.java:140)
   at org.netbeans.modules.mercurial.remote.HgModuleConfig.getDefault(HgModuleConfig.java:131)
   at org.netbeans.modules.mercurial.remote.MercurialAnnotator.initFormat(MercurialAnnotator.java:182)
   at org.netbeans.modules.mercurial.remote.MercurialAnnotator.access$000(MercurialAnnotator.java:110)
   at org.netbeans.modules.mercurial.remote.MercurialAnnotator$1.run(MercurialAnnotator.java:170)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)