2023-02-09 04:52:48,048 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-09 04:52:48,086 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=341, ProcessCount=166, AvailableMemoryMB=5594 testRegionDetailsForDisplay,hidden-start-key,1675918368207.33546285cf826a8299a66bac5e3dedd1. {ENCODED => 33546285cf826a8299a66bac5e3dedd1, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1675918368207.33546285cf826a8299a66bac5e3dedd1.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1675918368207 1675918368207 testRegionDetailsForDisplay,hidden-start-key,1675918368218_0001.6092468c12a7179dca51dd0ac665a95b. {ENCODED => 6092468c12a7179dca51dd0ac665a95b, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1675918368218_0001.6092468c12a7179dca51dd0ac665a95b.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1675918368218 1675918368218 3 0001 0001 2023-02-09 04:52:48,231 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=341 (was 341), ProcessCount=166 (was 166), AvailableMemoryMB=5576 (was 5594)