2023-02-24 05:52:53,382 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-24 05:52:53,423 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=357, ProcessCount=173, AvailableMemoryMB=7944 testRegionDetailsForDisplay,hidden-start-key,1677217973549.afeedaf93652be77faab743f32274801. {ENCODED => afeedaf93652be77faab743f32274801, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677217973549.afeedaf93652be77faab743f32274801.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677217973549 1677217973549 testRegionDetailsForDisplay,hidden-start-key,1677217973561_0001.0a9ebec0cdb1e31cc416d5a5d701a0b7. {ENCODED => 0a9ebec0cdb1e31cc416d5a5d701a0b7, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677217973561_0001.0a9ebec0cdb1e31cc416d5a5d701a0b7.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677217973561 1677217973561 3 0001 0001 2023-02-24 05:52:53,574 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=357 (was 357), ProcessCount=173 (was 173), AvailableMemoryMB=7926 (was 7944)