https://community.cloudera.com/t5/Support-Questions/Region-stuck-in-transition-various-versions-expected/m-p/90407#M55315 <PRE>2019-05-14 09:18:26,042 ERROR org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Failed open of region=deveng_v500,\x00\x00\x1C\xAB\x92\xBC\xD8\x02,1544486155414.ab693aebe203bc8781f1a9f1c0a1d045., starting to roll back the global memstore size. 2019-05-14 09:18:26,043 INFO org.apache.hadoop.hbase.coordination.ZkOpenRegionCoordination: Opening of region {ENCODED =&gt; ab693aebe203bc8781f1a9f1c0a1d045, NAME =&gt; 'deveng_v500,\x00\x00\x1C\xAB\x92\xBC\xD8\x02,1544486155414.ab693aebe203bc8781f1a9f1c0a1d045.', STARTKEY =&gt; '\x00\x00\x1C\xAB\x92\xBC\xD8\x02', ENDKEY =&gt; '\x00\x00L\xC6\xAD\xD1\x04'} failed, transitioning from OPENING to FAILED_OPEN in ZK, expecting version 40</PRE><PRE>2019-05-14 09:18:31,562 ERROR org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Failed open of region=deveng_v500,\x00\x00\x1C\xAB\x92\xBC\xD8\x02,1544486155414.ab693aebe203bc8781f1a9f1c0a1d045., starting to roll back the global memstore size. 2019-05-14 09:18:31,562 INFO org.apache.hadoop.hbase.coordination.ZkOpenRegionCoordination: Opening of region {ENCODED =&gt; ab693aebe203bc8781f1a9f1c0a1d045, NAME =&gt; 'deveng_v500,\x00\x00\x1C\xAB\x92\xBC\xD8\x02,1544486155414.ab693aebe203bc8781f1a9f1c0a1d045.', STARTKEY =&gt; '\x00\x00\x1C\xAB\x92\xBC\xD8\x02', ENDKEY =&gt; '\x00\x00L\xC6\xAD\xD1\x04'} failed, transitioning from OPENING to FAILED_OPEN in ZK, expecting version 58</PRE><P>The region is stuck trying to open on different region servers. I've cycled the nodes to force it to attempt to online elsewhere since the move command doesn't do anything, but no luck. fsck is clean, but hbck with -fixAssignments can't online the region.&nbsp;</P><P>&nbsp;</P><PRE>19/05/14 09:20:22 WARN util.HBaseFsck: Skip region 'deveng_v500,\x00\x00\x1C\xAB\x92\xBC\xD8\x02,1544486155414.ab693aebe203bc8781f1a9f1c0a1d045.' 19/05/14 09:20:22 INFO client.ConnectionManager$HConnectionImplementation: Closing master protocol: MasterService 19/05/14 09:20:22 INFO client.ConnectionManager$HConnectionImplementation: Closing zookeeper sessionid=0x16a31adec7becec 19/05/14 09:20:22 INFO zookeeper.ZooKeeper: Session: 0x16a31adec7becec closed 19/05/14 09:20:22 INFO zookeeper.ClientCnxn: EventThread shut down Exception in thread "main" java.io.IOException: 1 region(s) could not be checked or repaired. See logs for detail.</PRE> Fri, 16 Sep 2022 14:23:17 GMT donigrubbs 2022-09-16T14:23:17Z