2023-02-24 10:52:48,448 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-24 10:52:48,485 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=278, ProcessCount=168, AvailableMemoryMB=7868 testRegionDetailsForDisplay,hidden-start-key,1677235968603.85ad7792c4f5660105f5885cc7e1d795. {ENCODED => 85ad7792c4f5660105f5885cc7e1d795, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677235968603.85ad7792c4f5660105f5885cc7e1d795.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677235968603 1677235968603 testRegionDetailsForDisplay,hidden-start-key,1677235968614_0001.116d3dda7f1a30d0468f1a8ea31322ea. {ENCODED => 116d3dda7f1a30d0468f1a8ea31322ea, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677235968614_0001.116d3dda7f1a30d0468f1a8ea31322ea.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677235968614 1677235968614 3 0001 0001 2023-02-24 10:52:48,627 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=278 (was 278), ProcessCount=168 (was 168), AvailableMemoryMB=7849 (was 7868)