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https://issues.apache.org/jira/browse/HBASE-11685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087603#comment-14087603
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Hadoop QA commented on HBASE-11685:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12660120/HBASE-11685-trunk-v1.diff
  against trunk revision .
  ATTACHMENT ID: 12660120

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:red}-1 tests included{color}.  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.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any 
warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines 
longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.client.TestClientNoCluster

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10313//console

This message is automatically generated.

> Incr/decr on the reference count of HConnectionImplementation need be atomic 
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-11685
>                 URL: https://issues.apache.org/jira/browse/HBASE-11685
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-11685-trunk-v1.diff
>
>
> Currently, the incr/decr operation on the ref count of 
> HConnectionImplementation are not atomic. This may cause that the ref count 
> always be larger than 0 and  the connection never be closed.
> {code}
>     /**
>      * Increment this client's reference count.
>      */
>     void incCount() {
>       ++refCount;
>     }
>     /**
>      * Decrement this client's reference count.
>      */
>     void decCount() {
>       if (refCount > 0) {
>         --refCount;
>       }
>     }
> {code}



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