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From "Di Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-21420) HBase master crashed during/post EU on an IOP4.2.5/HDP2.6 migrated cluster
Date Thu, 13 Jul 2017 13:02:00 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-21420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085671#comment-16085671
] 

Di Li commented on AMBARI-21420:
--------------------------------

It should be, as both IOP 4.2 GA and IOP 4.2.5 have HBase at version 1.2 and above, while
HDP 2.6 has HBase 1.1.x.

There is no downgrade from HBase 1.2 to 1.1 per HBase community. Thus the issue, and the last
resort approach on moving the WAL dir away.

> HBase master crashed during/post EU on an IOP4.2.5/HDP2.6 migrated cluster
> --------------------------------------------------------------------------
>
>                 Key: AMBARI-21420
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21420
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: branch-feature-AMBARI-21348
>            Reporter: Di Li
>            Assignee: Di Li
>             Fix For: branch-feature-AMBARI-21348
>
>         Attachments: AMBARI-21420.patch
>
>
> HBase in IOP 4.2.5 is of higher version than the one shipped in HDP 2.6. HBase master
appeared as if it had started according to the Ambari action log but later crashed with error:
> 2017-07-05 09:28:08,952 FATAL [hats1:16000.activeMasterManager] master.HMaster: Failed
to become active masterjava.io.IOException: The procedure class org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure
must be accessible and have an empty constructorat org.apache.hadoop.hbase.procedure2.Procedure.newInstance(Procedure.java:663)at
org.apache.hadoop.hbase.procedure2.Procedure.convert(Procedure.java:789)at org.apache.hadoop.hbase.procedure2.store.wal.ProcedureWALFormatReader.read(ProcedureWALFormatReader.java:111)at
org.apache.hadoop.hbase.procedure2.store.wal.ProcedureWALFormat.load(ProcedureWALFormat.java:81)at
org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore.load(WALProcedureStore.java:374)at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.load(ProcedureExecutor.java:297)at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.start(ProcedureExecutor.java:464)at
org.apache.hadoop.hbase.master.HMaster.startProcedureExecutor(HMaster.java:1297)at org.apache.hadoop.hbase.master.HMaster.startServiceThreads(HMaster.java:1196)



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