Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.4-b02 mixed mode):

"Remoting "management-client" write-1" prio=10 tid=0x00007f7bec4e0800 nid=0x6637 runnable [0x00007f7bd34d0000]
   java.lang.Thread.State: RUNNABLE
	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:210)
	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
	- locked <0x00000000c54c71f8> (a sun.nio.ch.Util$2)
	- locked <0x00000000c54001d8> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000c5400158> (a sun.nio.ch.EPollSelectorImpl)
	at sun.nio.ch.SelectorImpl.selectNow(SelectorImpl.java:88)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:150)

"Reference Reaper" daemon prio=10 tid=0x00007f7bec134800 nid=0x662b in Object.wait() [0x00007f7bd39f8000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000c5402090> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
	- locked <0x00000000c5402090> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
	at org.jboss.modules.ref.References$ReaperThread.run(References.java:68)

"Low Memory Detector" daemon prio=10 tid=0x00007f7bec0b8000 nid=0x6629 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" daemon prio=10 tid=0x00007f7bec0b5800 nid=0x6628 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" daemon prio=10 tid=0x00007f7bec0b3000 nid=0x6627 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=10 tid=0x00007f7bec0b0800 nid=0x6626 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=10 tid=0x00007f7bec094000 nid=0x6625 in Object.wait() [0x00007f7bd3ffe000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000c54022f0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
	- locked <0x00000000c54022f0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

"Reference Handler" daemon prio=10 tid=0x00007f7bec092000 nid=0x6624 in Object.wait() [0x00007f7be8122000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000c5400118> (a java.lang.ref.Reference$Lock)
	at java.lang.Object.wait(Object.java:485)
	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
	- locked <0x00000000c5400118> (a java.lang.ref.Reference$Lock)

"main" prio=10 tid=0x00007f7bec006800 nid=0x661e in Object.wait() [0x00007f7bf081e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000c54023b8> (a java.lang.Object)
	at java.lang.Object.wait(Object.java:485)
	at org.jboss.remoting3.spi.AbstractHandleableCloseable.close(AbstractHandleableCloseable.java:177)
	- locked <0x00000000c54023b8> (a java.lang.Object)
	at org.jboss.as.controller.client.impl.RemotingModelControllerClient.close(RemotingModelControllerClient.java:64)
	- locked <0x00000000c5402420> (a org.jboss.as.controller.client.impl.RemotingModelControllerClient)
	at org.jboss.as.protocol.StreamUtils.safeClose(StreamUtils.java:59)
	at org.jboss.as.cli.CommandLineMain$CommandContextImpl.disconnectController(CommandLineMain.java:811)
	at org.jboss.as.cli.CommandLineMain$CommandContextImpl.connectController(CommandLineMain.java:801)
	at org.jboss.as.cli.handlers.ConnectHandler.doHandle(ConnectHandler.java:92)
	at org.jboss.as.cli.handlers.CommandHandlerWithHelp.handle(CommandHandlerWithHelp.java:84)
	at org.jboss.as.cli.CommandLineMain.processLine(CommandLineMain.java:501)
	at org.jboss.as.cli.CommandLineMain.main(CommandLineMain.java:345)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.modules.Module.run(Module.java:243)
	at org.jboss.modules.Main.main(Main.java:313)

"VM Thread" prio=10 tid=0x00007f7bec08b800 nid=0x6623 runnable 

"GC task thread#0 (ParallelGC)" prio=10 tid=0x00007f7bec019800 nid=0x661f runnable 

"GC task thread#1 (ParallelGC)" prio=10 tid=0x00007f7bec01b800 nid=0x6620 runnable 

"GC task thread#2 (ParallelGC)" prio=10 tid=0x00007f7bec01d000 nid=0x6621 runnable 

"GC task thread#3 (ParallelGC)" prio=10 tid=0x00007f7bec01f000 nid=0x6622 runnable 

"VM Periodic Task Thread" prio=10 tid=0x00007f7bec0c2800 nid=0x662a waiting on condition 

JNI global references: 948

Heap
 PSYoungGen      total 39744K, used 21486K [0x00000000ec6b0000, 0x00000000f6ce0000, 0x0000000100000000)
  eden space 39680K, 56% used [0x00000000ec6b0000,0x00000000edc6a628,0x00000000eed70000)
  from space 64K, 50% used [0x00000000f6cc0000,0x00000000f6cc8000,0x00000000f6cd0000)
  to   space 64K, 0% used [0x00000000f6cd0000,0x00000000f6cd0000,0x00000000f6ce0000)
 PSOldGen        total 40064K, used 1564K [0x00000000c5400000, 0x00000000c7b20000, 0x00000000ec6b0000)
  object space 40064K, 3% used [0x00000000c5400000,0x00000000c5587120,0x00000000c7b20000)
 PSPermGen       total 21248K, used 13832K [0x00000000c0200000, 0x00000000c16c0000, 0x00000000c5400000)
  object space 21248K, 65% used [0x00000000c0200000,0x00000000c0f82180,0x00000000c16c0000)