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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13252) Get rid of managed connections and connection caching
Date Sat, 28 Mar 2015 01:39:55 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14385039#comment-14385039
] 

Hadoop QA commented on HBASE-13252:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12707947/HBASE-13252-v3.patch
  against master branch at commit 0a500e5d305b0c75a6a357a5ff7a9210a615a007.
  ATTACHMENT ID: 12707947

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

    {color:green}+1 tests included{color}.  The patch appears to include 38 new or modified
tests.

    {color:red}-1 javac{color}.  The patch appears to cause mvn compile goal to fail with
Hadoop version 2.4.1.

    Compilation errors resume:
    [ERROR] COMPILATION ERROR : 
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java:[53,38]
cannot find symbol
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java:[297,16]
cannot find symbol
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.2:compile
(default-compile) on project hbase-server: Compilation failure: Compilation failure:
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java:[53,38]
cannot find symbol
[ERROR] symbol:   class NeedUnmanagedConnectionException
[ERROR] location: package org.apache.hadoop.hbase.client
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java:[297,16]
cannot find symbol
[ERROR] symbol:   class NeedUnmanagedConnectionException
[ERROR] location: class org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following
articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hbase-server
    

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/13468//console

This message is automatically generated.

> Get rid of managed connections and connection caching
> -----------------------------------------------------
>
>                 Key: HBASE-13252
>                 URL: https://issues.apache.org/jira/browse/HBASE-13252
>             Project: HBase
>          Issue Type: Sub-task
>          Components: API
>    Affects Versions: 2.0.0
>            Reporter: Mikhail Antonov
>            Assignee: Mikhail Antonov
>         Attachments: HBASE-13252-v0.patch, HBASE-13252-v1.patch, HBASE-13252-v1.patch,
HBASE-13252-v2.patch, HBASE-13252-v2.patch, HBASE-13252-v3.patch
>
>
> (Need to):
>  - Remove CONNECTION_INSTANCES from ConnectionManager
>  - Remove HConnectionKey
>  - Remove 'managed' property from ClusterConnection, HCI and places where it's used now
>  - AFAIS this property isn't visible to client (ClusterConnection is private interface),
so technically this would not even be backward-incompatible change, and no release note needed?
>  - In fact, ConnectionManager can be removed, too.



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