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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11685) Incr/decr on the reference count of HConnectionImplementation need be atomic
Date Wed, 06 Aug 2014 12:32:11 GMT

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

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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