2023-02-23 22:52:50,517 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-23 22:52:50,557 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=336, ProcessCount=168, AvailableMemoryMB=7892 testRegionDetailsForDisplay,hidden-start-key,1677192770687.6ec7c3363c99d6ee72eca2fb292c40b1. {ENCODED => 6ec7c3363c99d6ee72eca2fb292c40b1, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677192770687.6ec7c3363c99d6ee72eca2fb292c40b1.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677192770687 1677192770687 testRegionDetailsForDisplay,hidden-start-key,1677192770698_0001.c90309b0cfcb71b615ae4682e675bd6a. {ENCODED => c90309b0cfcb71b615ae4682e675bd6a, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677192770698_0001.c90309b0cfcb71b615ae4682e675bd6a.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677192770698 1677192770698 3 0001 0001 2023-02-23 22:52:50,712 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=336 (was 336), ProcessCount=168 (was 168), AvailableMemoryMB=7873 (was 7892)