2023-02-15 12:52:47,634 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-15 12:52:47,674 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=314, ProcessCount=166, AvailableMemoryMB=5470 testRegionDetailsForDisplay,hidden-start-key,1676465567812.44c3c113eef4462a3a15869bb4edfa94. {ENCODED => 44c3c113eef4462a3a15869bb4edfa94, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676465567812.44c3c113eef4462a3a15869bb4edfa94.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676465567812 1676465567812 testRegionDetailsForDisplay,hidden-start-key,1676465567823_0001.d4ffac3fb0b2806c2ca8406e946fb7fa. {ENCODED => d4ffac3fb0b2806c2ca8406e946fb7fa, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676465567823_0001.d4ffac3fb0b2806c2ca8406e946fb7fa.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676465567823 1676465567823 3 0001 0001 2023-02-15 12:52:47,836 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=314 (was 314), ProcessCount=166 (was 166), AvailableMemoryMB=5452 (was 5470)