2023-02-18 09:52:49,198 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-18 09:52:49,242 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=297, ProcessCount=173, AvailableMemoryMB=11612 testRegionDetailsForDisplay,hidden-start-key,1676713969366.3888136b7087e049d999a3585be88fba. {ENCODED => 3888136b7087e049d999a3585be88fba, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676713969366.3888136b7087e049d999a3585be88fba.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676713969366 1676713969366 testRegionDetailsForDisplay,hidden-start-key,1676713969377_0001.5f8ce300e8c3c75a00ed15307037f967. {ENCODED => 5f8ce300e8c3c75a00ed15307037f967, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676713969377_0001.5f8ce300e8c3c75a00ed15307037f967.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676713969377 1676713969377 3 0001 0001 2023-02-18 09:52:49,391 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=297 (was 297), ProcessCount=173 (was 173), AvailableMemoryMB=11593 (was 11612)