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https://issues.apache.org/jira/browse/HBASE-14706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981764#comment-14981764
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Hadoop QA commented on HBASE-14706:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12769677/HBASE-14706-trunk_v1.patch
against master branch at commit bdf11be6af046e99cff9985968903d983d7ff10f.
ATTACHMENT ID: 12769677
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified tests.
{color:red}-1 javac{color}. The patch appears to cause mvn compile goal to
fail with Hadoop version 2.4.0.
Compilation errors resume:
[ERROR] COMPILATION ERROR :
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestRegionLocationFinder.java:[46,2]
cannot find symbol
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.2:testCompile
(default-testCompile) on project hbase-server: Compilation failure
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestRegionLocationFinder.java:[46,2]
cannot find symbol
[ERROR] symbol: class Category
[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/16296//console
This message is automatically generated.
> RegionLocationFinder should return multiple servername by top host
> ------------------------------------------------------------------
>
> Key: HBASE-14706
> URL: https://issues.apache.org/jira/browse/HBASE-14706
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Affects Versions: 2.0.0, 1.2.0, 1.3.0
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Fix For: 2.0.0
>
> Attachments: HBASE-14706-trunk_v1.patch, HBASE-14706.patch
>
>
> Multiple RS can run on the same host. But in current RegionLocationFinder,
> mapHostNameToServerName map one host to only one server. This will make
> LocalityCostFunction get wrong locality about region.
> {code}
> // create a mapping from hostname to ServerName for fast lookup
> HashMap<String, ServerName> hostToServerName = new HashMap<String,
> ServerName>();
> for (ServerName sn : regionServers) {
> hostToServerName.put(sn.getHostname(), sn);
> }
> {code}
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