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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17171) IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run
Date Wed, 23 Nov 2016 19:06:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15691066#comment-15691066
] 

Hadoop QA commented on HBASE-17171:
-----------------------------------

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| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 31m 11s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:8d52d23 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12840295/HBASE-17171.001.patch
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| JIRA Issue | HBASE-17171 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 3797e3aa6c37 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18 21:21:05 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
|
| git revision | master / a6f3057 |
| Default Java | 1.8.0_111 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/4603/testReport/ |
| modules | C: hbase-it U: hbase-it |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/4603/console |
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This message was automatically generated.



> IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers
have no time to run
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-17171
>                 URL: https://issues.apache.org/jira/browse/HBASE-17171
>             Project: HBase
>          Issue Type: Bug
>          Components: integration tests
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17171.001.patch
>
>
> Just noticed an odd error message that cropped up in some $dayjob internal testing.
> Sometimes, executions of IntegrationTestTimeBoundedRequestsWithRegionReplicas would result
in an error:
> {noformat}
> Caused by: java.lang.IllegalArgumentException: Please configure hbase.TimeBoundedMultiThreadedReader.runtime
>   at org.apache.hadoop.hbase.test.IntegrationTestTimeBoundedRequestsWithRegionReplicas$TimeBoundedMultiThreadedReader.<init>
> {noformat}
> After digging into the test a bit more, I realized that this is actually failing because
the remaining time left after the writers finish (that is, {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}}
minus the time the writers took) was negative. So, the test harness passed a value which always
caused this error.
> We should catch when the time available for the readers is negative and throw an appropriate
error instructing the human to either increase the amount of time for {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}}
or decrease the amount of data written.



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