2023-02-26 13:52:25,184 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-26 13:52:25,220 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=297, ProcessCount=162, AvailableMemoryMB=9404 testRegionDetailsForDisplay,hidden-start-key,1677419545322.c2bbc2a48abb489c3efee124b91cb709. {ENCODED => c2bbc2a48abb489c3efee124b91cb709, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677419545322.c2bbc2a48abb489c3efee124b91cb709.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677419545322 1677419545322 testRegionDetailsForDisplay,hidden-start-key,1677419545331_0001.6d66f7f7699cfb7cd65caebcf37270f8. {ENCODED => 6d66f7f7699cfb7cd65caebcf37270f8, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677419545331_0001.6d66f7f7699cfb7cd65caebcf37270f8.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677419545331 1677419545331 3 0001 0001 2023-02-26 13:52:25,342 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=297 (was 297), ProcessCount=162 (was 162), AvailableMemoryMB=9386 (was 9404)