2023-02-20 17:52:47,743 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-20 17:52:47,782 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=285, ProcessCount=170, AvailableMemoryMB=7749 testRegionDetailsForDisplay,hidden-start-key,1676915567905.332f805270a235b20d44a1c98dc0efdb. {ENCODED => 332f805270a235b20d44a1c98dc0efdb, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676915567905.332f805270a235b20d44a1c98dc0efdb.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676915567905 1676915567905 testRegionDetailsForDisplay,hidden-start-key,1676915567917_0001.e5f0726df51005f5a6913564931dd00a. {ENCODED => e5f0726df51005f5a6913564931dd00a, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676915567917_0001.e5f0726df51005f5a6913564931dd00a.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676915567917 1676915567917 3 0001 0001 2023-02-20 17:52:47,930 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=285 (was 285), ProcessCount=170 (was 170), AvailableMemoryMB=7730 (was 7749)