2023-02-22 12:52:47,376 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-22 12:52:47,419 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=250, ProcessCount=170, AvailableMemoryMB=9539 testRegionDetailsForDisplay,hidden-start-key,1677070367542.3dcbb9b708db173910e0ce842550d1ba. {ENCODED => 3dcbb9b708db173910e0ce842550d1ba, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677070367542.3dcbb9b708db173910e0ce842550d1ba.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677070367542 1677070367542 testRegionDetailsForDisplay,hidden-start-key,1677070367553_0001.0bbbb487ec24e1dea6d2388ef0f0de69. {ENCODED => 0bbbb487ec24e1dea6d2388ef0f0de69, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677070367553_0001.0bbbb487ec24e1dea6d2388ef0f0de69.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677070367553 1677070367553 3 0001 0001 2023-02-22 12:52:47,567 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=250 (was 250), ProcessCount=170 (was 170), AvailableMemoryMB=9520 (was 9539)