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https://issues.apache.org/jira/browse/MAPREDUCE-5679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846060#comment-13846060
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Hadoop QA commented on MAPREDUCE-5679:
--------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12618359/MAPREDUCE-5679.diff
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{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 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4259//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4259//console
This message is automatically generated.
> TestJobHistoryParsing has race condition
> ----------------------------------------
>
> Key: MAPREDUCE-5679
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5679
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Liyin Liang
> Assignee: Liyin Liang
> Attachments: MAPREDUCE-5679.diff
>
>
> org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryParsing can fail because of
> race condition.
> {noformat}
> testHistoryParsingWithParseErrors(org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryParsing)
> Time elapsed: 4.102 sec <<< ERROR!
> java.io.IOException: Unable to initialize History Viewer
> at
> org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:520)
> at
> org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:398)
> at
> org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:137)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:339)
> at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:798)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.<init>(JobHistoryParser.java:86)
> at
> org.apache.hadoop.mapreduce.jobhistory.HistoryViewer.<init>(HistoryViewer.java:85)
> at
> org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryParsing.checkHistoryParsing(TestJobHistoryParsing.java:339)
> at
> org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryParsing.testHistoryParsingWithParseErrors(TestJobHistoryParsing.java:125)
> {noformat}
> In the checkHistoryParsing() function, after
> {code}
> HistoryFileInfo fileInfo = jobHistory.getJobFileInfo(jobId);
> {code}
> a thread named MoveIntermediateToDone will be launched to move history file
> from done_intermediate to done directory.
> If the history file is moved,
> {code}
> HistoryViewer viewer = new HistoryViewer(fc.makeQualified(
> fileInfo.getHistoryFile()).toString(), conf, true);
> {code}
> will throw IOException，because the history file is not found.
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