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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8783) RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server name
Date Mon, 24 Jun 2013 11:56:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13691903#comment-13691903
] 

Hudson commented on HBASE-8783:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #146 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/146/])
    HBASE-8783 RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server
name (Revision 1495947)

     Result = FAILURE
mbertozzi : 
Files : 
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMemberRpcs.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ZKProcedureCoordinatorRpcs.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ZKProcedureMemberRpcs.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ZKProcedureUtil.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/RegionServerSnapshotManager.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/procedure/TestZKProcedure.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/procedure/TestZKProcedureControllers.java

                
> RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server name
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-8783
>                 URL: https://issues.apache.org/jira/browse/HBASE-8783
>             Project: HBase
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 0.94.8, 0.95.1
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 0.98.0, 0.95.2, 0.94.9
>
>         Attachments: HBASE-8783-0.94-v0.patch, HBASE-8783-0.94-v1.patch, HBASE-8783-v0.patch,
HBASE-8783-v1.patch
>
>
> The ZKProcedureMemberRpcs of the RegionServerSnapshotManager may be initialized with
the wrong memberName.
> {code}
> 2013-06-21 05:03:41,732 DEBUG org.apache.hadoop.hbase.regionserver.HRegionServer: Initialize
Snapshot Manager
> ...
> 2013-06-21 05:03:41,875 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Master
passed us hostname to use. Was=0.0.0.0, Now=srv-5.test.cloudera.com
> {code}
> The Region Server Name is used as memberName, but since the snapshot manger is initialized
before the RS receives the server name used by the master, the zkprocedure will use the wrong
name (0.0.0.0). 
> This will case the snapshot to fail with a TimeoutException since the master will not
receive the expected RS
> {code}
> Master:
> ZKProcedureCoordinatorRpcs: Watching for acquire node:/hbase/online-snapshot/acquired/foo23/srv-5.test.cloudera.com,60020,1371813451915
> RS:
> ZKProcedureMemberRpcs: Member: '0.0.0.0,60020,1371814996779' joining acquired barrier
for procedure (foo23) in zk
> ...
> org.apache.hadoop.hbase.errorhandling.TimeoutException: Timeout elapsed! Source:Timeout
caused Foreign Exception Start:1371798732141, End:1371798792141, diff:60000, max:60000 ms
> {code}

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