org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: exec_AgentToolBox (jfxsa-run)_53
   at java.lang.ThreadGroup.activeCount(ThreadGroup.java:342)
   at java.lang.ThreadGroup.activeCount(ThreadGroup.java:355)
   at org.netbeans.core.execution.TaskThreadGroup.isProcessDead(TaskThreadGroup.java:94)
   at org.netbeans.core.execution.TaskThreadGroup.waitFor(TaskThreadGroup.java:147)
   at org.netbeans.core.execution.DefaultSysProcess.result(DefaultSysProcess.java:110)
   at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:159)
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: error pumper
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: A deadlock was detected.
We suggest to restart the IDE to recover.
   at java.lang.ThreadGroup.remove(ThreadGroup.java:832)
   at java.lang.ThreadGroup.destroy(ThreadGroup.java:798)
   at java.lang.ThreadGroup.threadTerminated(ThreadGroup.java:950)
   at java.lang.Thread.exit(Thread.java:755)