2023-02-18 21:52:22,005 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-18 21:52:22,040 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=365, ProcessCount=168, AvailableMemoryMB=6705 testRegionDetailsForDisplay,hidden-start-key,1676757142142.a75215cb82656c041b44020ddf30f1c8. {ENCODED => a75215cb82656c041b44020ddf30f1c8, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676757142142.a75215cb82656c041b44020ddf30f1c8.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676757142142 1676757142142 testRegionDetailsForDisplay,hidden-start-key,1676757142151_0001.c289762a1b759fc6864db24d6ab28d30. {ENCODED => c289762a1b759fc6864db24d6ab28d30, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676757142151_0001.c289762a1b759fc6864db24d6ab28d30.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676757142151 1676757142151 3 0001 0001 2023-02-18 21:52:22,162 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=365 (was 365), ProcessCount=168 (was 168), AvailableMemoryMB=6686 (was 6705)