2023-02-26 12:52:25,895 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-26 12:52:25,928 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=287, ProcessCount=172, AvailableMemoryMB=9429 testRegionDetailsForDisplay,hidden-start-key,1677415946033.a36c458d030d9453db241afe94b39b0c. {ENCODED => a36c458d030d9453db241afe94b39b0c, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677415946033.a36c458d030d9453db241afe94b39b0c.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677415946033 1677415946033 testRegionDetailsForDisplay,hidden-start-key,1677415946043_0001.9d1af9a8edd6de73fa16bd0344aa2c90. {ENCODED => 9d1af9a8edd6de73fa16bd0344aa2c90, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677415946043_0001.9d1af9a8edd6de73fa16bd0344aa2c90.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677415946043 1677415946043 3 0001 0001 2023-02-26 12:52:26,054 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=287 (was 287), ProcessCount=172 (was 172), AvailableMemoryMB=9410 (was 9429)