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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16056) Procedure v2 - fix master crash for FileNotFound
Date Fri, 17 Jun 2016 20:14:05 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matteo Bertozzi updated HBASE-16056:
------------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Procedure v2 - fix master crash for FileNotFound
> ------------------------------------------------
>
>                 Key: HBASE-16056
>                 URL: https://issues.apache.org/jira/browse/HBASE-16056
>             Project: HBase
>          Issue Type: Sub-task
>          Components: proc-v2
>    Affects Versions: 2.0.0, 1.3.0, 1.2.1, 1.1.5
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 2.0.0, 1.3.0, 1.2.2, 1.1.6
>
>         Attachments: HBASE-16056-v0.patch, HBASE-16056-v1.patch, HBASE-16056-v2.patch
>
>
> [~syuanjiang] and [~tedyu] reported a backup master not able to start with FileNotFound
during proc-v2 lease recovery. (another restart should have solved the problem)
> {noformat}
> FileNotFoundException: File does not exist: /hbase/MasterProcWALs/state-000001.log
> namenode.INodeFile.valueOf(INodeFile.java:61) at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLease(FSNamesystem.java:2877)
at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.recoverLease(NameNodeRpcServer.java:753)
at 
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.recoverLease(ClientNamenodeProtocolServerSideTranslatorPB.java:671)

> {noformat}
> this may happen when the other master is still active (e.g. GC) and tries to remove files
while the other master tries to become active. This operation is retryable so the code should
able to handle that.   



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