2023-02-19 17:52:46,486 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-19 17:52:46,523 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=321, ProcessCount=168, AvailableMemoryMB=11914 testRegionDetailsForDisplay,hidden-start-key,1676829166646.707b5015eedcd07174a85339d77044b6. {ENCODED => 707b5015eedcd07174a85339d77044b6, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676829166646.707b5015eedcd07174a85339d77044b6.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676829166646 1676829166646 testRegionDetailsForDisplay,hidden-start-key,1676829166658_0001.7a677ca68ad4c956ee6393bbaa1f9a58. {ENCODED => 7a677ca68ad4c956ee6393bbaa1f9a58, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676829166658_0001.7a677ca68ad4c956ee6393bbaa1f9a58.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676829166658 1676829166658 3 0001 0001 2023-02-19 17:52:46,670 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=321 (was 321), ProcessCount=168 (was 168), AvailableMemoryMB=11896 (was 11914)