Ted Yu created HBASE-16349: ------------------------------ Summary: TestClusterId may hang during cluster shutdown Key: HBASE-16349 URL: https://issues.apache.org/jira/browse/HBASE-16349 Project: HBase Issue Type: Bug Reporter: Ted Yu Priority: Minor
I was running TestClusterId on branch-1 where I observed the test hang during test tearDown(). {code} 2016-08-03 11:36:39,600 DEBUG [RS_CLOSE_META-cn012:49371-0] regionserver.HRegion(1415): Closing hbase:meta,,1.1588230740: disabling compactions & flushes 2016-08-03 11:36:39,600 DEBUG [RS_CLOSE_META-cn012:49371-0] regionserver.HRegion(1442): Updates disabled for region hbase:meta,,1.1588230740 2016-08-03 11:36:39,600 INFO [RS_CLOSE_META-cn012:49371-0] regionserver.HRegion(2253): Flushing 1/1 column families, memstore=232 B 2016-08-03 11:36:39,601 WARN [RS_OPEN_META-cn012:49371-0.append-pool17-t1] wal.FSHLog$RingBufferEventHandler(1900): Append sequenceId=8, requesting roll of WAL java.io.IOException: All datanodes DatanodeInfoWithStorage[127.0.0.1:37765,DS-9870993e-fb98-45fc-b151-708f72aa02d2,DISK] are bad. Aborting... at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1113) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:876) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:402) 2016-08-03 11:36:39,602 FATAL [RS_CLOSE_META-cn012:49371-0] regionserver.HRegionServer(2085): ABORTING region server cn012.l42scl.hortonworks.com,49371,1470249187586: Unrecoverable exception while closing region hbase:meta,,1.1588230740, still finishing close org.apache.hadoop.hbase.regionserver.wal.DamagedWALException: Append sequenceId=8, requesting roll of WAL at org.apache.hadoop.hbase.regionserver.wal.FSHLog$RingBufferEventHandler.append(FSHLog.java:1902) at org.apache.hadoop.hbase.regionserver.wal.FSHLog$RingBufferEventHandler.onEvent(FSHLog.java:1754) at org.apache.hadoop.hbase.regionserver.wal.FSHLog$RingBufferEventHandler.onEvent(FSHLog.java:1676) at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:128) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.io.IOException: All datanodes DatanodeInfoWithStorage[127.0.0.1:37765,DS-9870993e-fb98-45fc-b151-708f72aa02d2,DISK] are bad. Aborting... at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1113) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:876) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:402) 2016-08-03 11:36:39,603 FATAL [RS_CLOSE_META-cn012:49371-0] regionserver.HRegionServer(2093): RegionServer abort: loaded coprocessors are: [org.apache.hadoop.hbase.coprocessor. MultiRowMutationEndpoint] {code} This led to rst.join() hanging: {code} "RS:0;cn012:49371" #648 prio=5 os_prio=0 tid=0x00007fdab24b5000 nid=0x621a waiting on condition [0x00007fd785fe0000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.hadoop.hbase.regionserver.HRegionServer.sleep(HRegionServer.java:1326) at org.apache.hadoop.hbase.regionserver.HRegionServer.waitOnAllRegionsToClose(HRegionServer.java:1312) at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1082) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)