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From "Zhihong Yu (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5153) HConnection re-creation in HTable after HConnection abort
Date Mon, 09 Jan 2012 15:22:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhihong Yu updated HBASE-5153:
------------------------------

    Comment: was deleted

(was: -1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12509890/HBASE-5153.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/704//console

This message is automatically generated.)
    
> HConnection re-creation in HTable after HConnection abort
> ---------------------------------------------------------
>
>                 Key: HBASE-5153
>                 URL: https://issues.apache.org/jira/browse/HBASE-5153
>             Project: HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.90.4
>            Reporter: Jieshan Bean
>            Assignee: Jieshan Bean
>             Fix For: 0.90.6
>
>         Attachments: HBASE-5153-V2.patch, HBASE-5153.patch
>
>
> HBASE-4893 is related to this issue. In that issue, we know, if multi-threads share a
same connection, once this connection got abort in one thread, the other threads will got
a "HConnectionManager$HConnectionImplementation@18fb1f7 closed" exception.
> It solve the problem of "stale connection can't removed". But the orignal HTable instance
cann't be continue to use. The connection in HTable should be recreated.
> Actually, there's two aproach to solve this:
> 1. In user code, once catch an IOE, close connection and re-create HTable instance. We
can use this as a workaround.
> 2. In HBase Client side, catch this exception, and re-create connection.

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