2023-02-24 19:52:46,546 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-24 19:52:46,584 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=340, ProcessCount=171, AvailableMemoryMB=7835 testRegionDetailsForDisplay,hidden-start-key,1677268366704.ef447071ba1832c493753827b82328ba. {ENCODED => ef447071ba1832c493753827b82328ba, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677268366704.ef447071ba1832c493753827b82328ba.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677268366704 1677268366704 testRegionDetailsForDisplay,hidden-start-key,1677268366714_0001.4b35fc8e2b3ee76c2a3ab5068b1346a9. {ENCODED => 4b35fc8e2b3ee76c2a3ab5068b1346a9, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677268366714_0001.4b35fc8e2b3ee76c2a3ab5068b1346a9.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677268366714 1677268366714 3 0001 0001 2023-02-24 19:52:46,727 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=340 (was 340), ProcessCount=171 (was 171), AvailableMemoryMB=7817 (was 7835)