2023-02-10 20:52:49,782 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-10 20:52:49,824 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=362, ProcessCount=166, AvailableMemoryMB=5271 testRegionDetailsForDisplay,hidden-start-key,1676062369953.1a8a85e84acf93fece64c8272e4f8a7c. {ENCODED => 1a8a85e84acf93fece64c8272e4f8a7c, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676062369953.1a8a85e84acf93fece64c8272e4f8a7c.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676062369953 1676062369953 testRegionDetailsForDisplay,hidden-start-key,1676062369964_0001.3bc85020c116a7a6845e094f46917835. {ENCODED => 3bc85020c116a7a6845e094f46917835, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676062369964_0001.3bc85020c116a7a6845e094f46917835.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676062369964 1676062369964 3 0001 0001 2023-02-10 20:52:49,977 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=362 (was 362), ProcessCount=166 (was 166), AvailableMemoryMB=5253 (was 5271)