2023-02-09 17:52:48,933 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-09 17:52:48,971 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=326, ProcessCount=166, AvailableMemoryMB=5492 testRegionDetailsForDisplay,hidden-start-key,1675965169089.d15b989471e66569090262b9dba3646b. {ENCODED => d15b989471e66569090262b9dba3646b, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1675965169089.d15b989471e66569090262b9dba3646b.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1675965169089 1675965169089 testRegionDetailsForDisplay,hidden-start-key,1675965169100_0001.96eff80566af0b1058be25cee7da8afe. {ENCODED => 96eff80566af0b1058be25cee7da8afe, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1675965169100_0001.96eff80566af0b1058be25cee7da8afe.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1675965169100 1675965169100 3 0001 0001 2023-02-09 17:52:49,113 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=326 (was 326), ProcessCount=166 (was 166), AvailableMemoryMB=5474 (was 5492)