hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4210) HBase reader throws NPE if Get returns no rows
Date Tue, 29 Sep 2015 23:59:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936113#comment-14936113
] 

Hadoop QA commented on YARN-4210:
---------------------------------

\\
\\
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  20m 23s | Pre-patch YARN-2928 compilation is healthy.
|
| {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 20s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  0s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   0m 30s | The applied patch generated  1 new checkstyle
issues (total was 33, now 34). |
| {color:green}+1{color} | whitespace |   0m  1s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 41s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   0m 52s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   2m 54s | Tests passed in hadoop-yarn-server-timelineservice.
|
| | |  45m 44s | |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12764335/YARN-4210-YARN-2928.03.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | YARN-2928 / def22b9 |
| checkstyle |  https://builds.apache.org/job/PreCommit-YARN-Build/9301/artifact/patchprocess/diffcheckstylehadoop-yarn-server-timelineservice.txt
|
| hadoop-yarn-server-timelineservice test log | https://builds.apache.org/job/PreCommit-YARN-Build/9301/artifact/patchprocess/testrun_hadoop-yarn-server-timelineservice.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9301/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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/9301/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, YARN-4210-YARN-2928.03.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}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message