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https://issues.apache.org/jira/browse/HBASE-10490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896872#comment-13896872
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Hadoop QA commented on HBASE-10490:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12628010/10490.v1.patch
against trunk revision .
ATTACHMENT ID: 12628010
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 9 new
or modified tests.
{color:green}+1 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{color:green}+1 hadoop1.1{color}. The patch compiles against the hadoop
1.1 profile.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) 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:red}-1 site{color}. The patch appears to cause mvn site goal to
fail.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.client.TestMultiParallel
org.apache.hadoop.hbase.replication.TestReplicationKillSlaveRS
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/8651//console
This message is automatically generated.
> Simplify RpcClient code
> -----------------------
>
> Key: HBASE-10490
> URL: https://issues.apache.org/jira/browse/HBASE-10490
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.99.0
> Reporter: Nicolas Liochon
> Assignee: Nicolas Liochon
> Fix For: 0.99.0
>
> Attachments: 10490.v1.patch
>
>
> The code is complex. Here is a set of proposed changes, for trunk:
> 1) remove PingInputStream. if rpcTimeout > 0 it just rethrows the exception.
> I expect that we always have a rpcTimeout. So we can remove the code.
> 2) remove the sendPing: instead, just close the connection if it's not used
> for a while, instead of trying to ping the server.
> 3) remove maxIddle time: to avoid the confusion if someone has overwritten
> the conf.
> 4) remove shouldCloseConnection: it was more or less synchronized with
> closeException. Having a single variable instead of two avoids the synchro
> 5) remove lastActivity: instead of trying to have an exact timeout, just kill
> the connection after some time. lastActivity could be set to wrong values if
> the server was slow to answer.
> 6) hopefully, a better management of the exception; we don't use the close
> exception of someone else as an input for another one. Same goes for
> interruption.
> I may have something wrong in the code. I will review it myself again.
> Feedback welcome, especially on the ping removal: I hope I got all the use
> cases.
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