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Date: Thu, 27 Apr 2017 13:34:04 +0000 (UTC)
From: "Duo Zhang (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.13067368.1493300001000.66279.1493300044032@Atlassian.JIRA>
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Subject: [jira] [Created] (HBASE-17970) Set
 yarn.app.mapreduce.am.staging-dir when starting MiniMRCluster
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archived-at: Thu, 27 Apr 2017 13:34:07 -0000

Duo Zhang created HBASE-17970:
---------------------------------

             Summary: Set yarn.app.mapreduce.am.staging-dir when starting MiniMRCluster
                 Key: HBASE-17970
                 URL: https://issues.apache.org/jira/browse/HBASE-17970
             Project: HBase
          Issue Type: Bug
          Components: test
            Reporter: Duo Zhang
            Assignee: Duo Zhang


As discussed in mailing-list

https://builds.apache.org/job/HBASE-Flaky-Tests/15333/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.snapshot.TestMobExportSnapshot-output.txt/*view*/

Test*ExportSnapshot will fail if they are executed concurrently because of they share the same staging directory.

{noformat}
java.io.FileNotFoundException: File
file:/tmp/hadoop-yarn/staging/jenkins/.staging/job_1492809330233_0001/job.split
does not exist
        at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:606)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:819)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:596)
        at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:421)
        at org.apache.hadoop.yarn.util.FSDownload.copy(FSDownload.java:253)
        at org.apache.hadoop.yarn.util.FSDownload.access$000(FSDownload.java:63)
        at org.apache.hadoop.yarn.util.FSDownload$2.run(FSDownload.java:361)
        at org.apache.hadoop.yarn.util.FSDownload$2.run(FSDownload.java:359)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:359)
        at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:62)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{noformat}

We need to set yarn.app.mapreduce.am.staging-dir to let hem use different directories.


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