2023-02-12 01:52:49,828 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-12 01:52:49,867 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=304, ProcessCount=166, AvailableMemoryMB=11575 testRegionDetailsForDisplay,hidden-start-key,1676166769986.b75bfd39f88cd15d2a6da5d0b3f8beee. {ENCODED => b75bfd39f88cd15d2a6da5d0b3f8beee, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676166769986.b75bfd39f88cd15d2a6da5d0b3f8beee.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676166769986 1676166769986 testRegionDetailsForDisplay,hidden-start-key,1676166769997_0001.c2a4935ce960389df016f08e931be26d. {ENCODED => c2a4935ce960389df016f08e931be26d, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676166769997_0001.c2a4935ce960389df016f08e931be26d.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676166769997 1676166769997 3 0001 0001 2023-02-12 01:52:50,010 INFO [Time-limited test] hbase.ResourceChecker(175): after: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=8 (was 7) Potentially hanging thread: process reaper sun.misc.Unsafe.park(Native Method) java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460) java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941) java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) java.lang.Thread.run(Thread.java:750) - Thread LEAK? -, OpenFileDescriptor=107 (was 100) - OpenFileDescriptor LEAK? -, MaxFileDescriptor=60000 (was 60000), SystemLoadAverage=304 (was 304), ProcessCount=166 (was 166), AvailableMemoryMB=11557 (was 11575)