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https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935500#comment-14935500
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Hadoop QA commented on YARN-4210:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch | 16m 14s | Findbugs (version ) appears to
be broken on YARN-2928. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 2 new or modified test files. |
| {color:green}+1{color} | javac | 8m 11s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 10m 17s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 26s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 0m 16s | There were no new checkstyle
issues. |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 42s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 40s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 0m 56s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests | 3m 22s | Tests passed in
hadoop-yarn-server-timelineservice. |
| | | 42m 10s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12764263/YARN-4210-YARN-2928.02.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | YARN-2928 / def22b9 |
| hadoop-yarn-server-timelineservice test log |
https://builds.apache.org/job/PreCommit-YARN-Build/9297/artifact/patchprocess/testrun_hadoop-yarn-server-timelineservice.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/9297/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/9297/console |
This message was automatically generated.
> HBase reader throws NPE if Get returns no rows
> ----------------------------------------------
>
> Key: YARN-4210
> URL: https://issues.apache.org/jira/browse/YARN-4210
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-2928
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Attachments: YARN-4210-YARN-2928.01.patch,
> YARN-4210-YARN-2928.02.patch
>
>
> If HBase Get does not fetch any rows for the query, we still try to parse the
> result and read fields. This leads to NPE while reading metrics. We should
> not attempt to read anything if no row is returned i.e. result is empty.
> Found during web UI poc testing.
> {noformat}
> 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0]
> reader.TimelineReaderWebServices
> (TimelineReaderWebServices.java:handleException(199)) - Error while
> processing REST request
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176)
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182)
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212)
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136)
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137)
> at
> org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403)
> {noformat}
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