2023-02-24 15:52:49,803 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-24 15:52:49,844 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=342, ProcessCount=171, AvailableMemoryMB=7840 testRegionDetailsForDisplay,hidden-start-key,1677253969965.e16522f705945b5cde8d64f4a3034a93. {ENCODED => e16522f705945b5cde8d64f4a3034a93, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677253969965.e16522f705945b5cde8d64f4a3034a93.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677253969965 1677253969965 testRegionDetailsForDisplay,hidden-start-key,1677253969975_0001.e4b947fee36e71e83e771ab5d0c1fc30. {ENCODED => e4b947fee36e71e83e771ab5d0c1fc30, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677253969975_0001.e4b947fee36e71e83e771ab5d0c1fc30.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677253969975 1677253969975 3 0001 0001 2023-02-24 15:52:49,988 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=342 (was 342), ProcessCount=171 (was 171), AvailableMemoryMB=7821 (was 7840)