2023-02-22 17:52:50,076 INFO [main] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.client.TestRegionInfoDisplay timeout: 13 mins 2023-02-22 17:52:50,114 INFO [Time-limited test] hbase.ResourceChecker(147): before: client.TestRegionInfoDisplay#testRegionDetailsForDisplay Thread=7, OpenFileDescriptor=100, MaxFileDescriptor=60000, SystemLoadAverage=356, ProcessCount=170, AvailableMemoryMB=9688 testRegionDetailsForDisplay,hidden-start-key,1677088370234.87fa9a1c0e4342fe0da2d7cc5904da92. {ENCODED => 87fa9a1c0e4342fe0da2d7cc5904da92, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677088370234.87fa9a1c0e4342fe0da2d7cc5904da92.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04'} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677088370234 1677088370234 testRegionDetailsForDisplay,hidden-start-key,1677088370244_0001.31c5da0ed9f7fa007bf5a1341a04fdd6. {ENCODED => 31c5da0ed9f7fa007bf5a1341a04fdd6, NAME => 'testRegionDetailsForDisplay,\x01\x01\x02\x03,1677088370244_0001.31c5da0ed9f7fa007bf5a1341a04fdd6.', STARTKEY => '\x01\x01\x02\x03', ENDKEY => '\x01\x01\x02\x04', REPLICA_ID => 1} 0 testRegionDetailsForDisplay testRegionDetailsForDisplay 1  hidden-start-key 2 1677088370244 1677088370244 3 0001 0001 2023-02-22 17:52:50,257 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=356 (was 356), ProcessCount=170 (was 170), AvailableMemoryMB=9669 (was 9688)