2023-02-13 21:52:21,997 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-13 21:52:22,035 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=288, ProcessCount=162, AvailableMemoryMB=9213 testRegionDetailsForDisplay,hidden-start-key,1676325142144.ce9ca7420068abe6531f029fc366c314. {ENCODED => ce9ca7420068abe6531f029fc366c314, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676325142144.ce9ca7420068abe6531f029fc366c314.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676325142144 1676325142144 testRegionDetailsForDisplay,hidden-start-key,1676325142153_0001.f20b092f57de40c6189e9d0579f51f25. {ENCODED => f20b092f57de40c6189e9d0579f51f25, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676325142153_0001.f20b092f57de40c6189e9d0579f51f25.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676325142153 1676325142153 3 0001 0001 2023-02-13 21:52:22,163 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=288 (was 288), ProcessCount=162 (was 162), AvailableMemoryMB=9195 (was 9213)