2023-02-21 12:52:48,129 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-21 12:52:48,169 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=328, ProcessCount=169, AvailableMemoryMB=7670 testRegionDetailsForDisplay,hidden-start-key,1676983968299.0caaf5713e9b640555b88198d2834b74. {ENCODED => 0caaf5713e9b640555b88198d2834b74, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676983968299.0caaf5713e9b640555b88198d2834b74.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676983968299 1676983968299 testRegionDetailsForDisplay,hidden-start-key,1676983968310_0001.6ad1641228b758c6acf7679be1e60713. {ENCODED => 6ad1641228b758c6acf7679be1e60713, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1676983968310_0001.6ad1641228b758c6acf7679be1e60713.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1676983968310 1676983968310 3 0001 0001 2023-02-21 12:52:48,322 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=328 (was 328), ProcessCount=169 (was 169), AvailableMemoryMB=7652 (was 7670)