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ramkrishna.s.vasudevan updated HBASE-5299: ------------------------------------------ Summary: CatalogTracker.getMetaServerConnection() checks for root server connection and makes waitForMeta to go into infinite wait in region assignment flow. (was: CatalogTracker.getMetaServerConnection() checks for root server connection and makes waitForMeta to go into infinite loop in region assignment flow.) > CatalogTracker.getMetaServerConnection() checks for root server connection > and makes waitForMeta to go into infinite wait in region assignment flow. > ---------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-5299 > URL: https://issues.apache.org/jira/browse/HBASE-5299 > Project: HBase > Issue Type: Bug > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Priority: Minor > > RSA, RS B and RS C are 3 region servers. > RS A -> META > RS B -> ROOT > RS C -> NON META and NON ROOT > Kill RS B and wait for server shutdown handler to start. > Start RS B again before assigning ROOT to RS C. > Now the cluster will try to assign new regions to RS B. > But as ROOT is not yet assigned the OpenRegionHandler.updateMeta will fail to > update the regions just because ROOT is not online. > {code} > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:23:25,126 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Attempting to transition node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:23:25,159 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Successfully transitioned node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:23:35,385 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Attempting to transition node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:23:35,449 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Successfully transitioned node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:24:16,666 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Attempting to transition node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:24:16,701 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > regionserver:60020-0x1352e27539c0009 Successfully transitioned node > a87109263ed53e67158377a149c5a7be from RS_ZK_REGION_OPENING to > RS_ZK_REGION_OPENING > 2012-01-30 16:24:20,788 DEBUG > org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Interrupting > thread Thread[PostOpenDeployTasks:a87109263ed53e67158377a149c5a7be,5,main] > 2012-01-30 16:24:30,699 WARN > org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Exception > running postOpenDeployTasks; region=a87109263ed53e67158377a149c5a7be > org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException: Interrupted > at > org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMetaServerConnectionDefault(CatalogTracker.java:439) > at > org.apache.hadoop.hbase.catalog.MetaEditor.updateRegionLocation(MetaEditor.java:142) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.postOpenDeployTasks(HRegionServer.java:1382) > at > org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler$PostOpenDeployTasksThread.run(OpenRegionHandler.java:221) > {code} > So we need to wait for TM to assign the regions again. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira