2023-02-20 10:52:20,807 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-20 10:52:20,844 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=321, ProcessCount=162, AvailableMemoryMB=5753 testRegionDetailsForDisplay,hidden-start-key,1676890340958.96101cdbf10ac41eda7c064cdd7c520a. {ENCODED => 96101cdbf10ac41eda7c064cdd7c520a, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676890340958.96101cdbf10ac41eda7c064cdd7c520a.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676890340958 1676890340958 testRegionDetailsForDisplay,hidden-start-key,1676890340967_0001.ef234716145e396b51cca9d1fd8c777a. {ENCODED => ef234716145e396b51cca9d1fd8c777a, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676890340967_0001.ef234716145e396b51cca9d1fd8c777a.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676890340967 1676890340967 3 0001 0001 2023-02-20 10:52:20,978 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=162 (was 162), AvailableMemoryMB=5734 (was 5753)