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https://issues.apache.org/jira/browse/HIVE-19296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16452577#comment-16452577
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Aihua Xu commented on HIVE-19296:
---------------------------------
[~ychena] Looks like we are already printing the errors to the log file from
HIVE-17078. Can you verify if that's the case?
{noformat}
LogRedirector.redirect(
Thread.currentThread().getName() + "-LocalTask-" + getName() +
"-stdout",
new LogRedirector(executor.getInputStream(), LOG, callback));
LogRedirector.redirect(
Thread.currentThread().getName() + "-LocalTask-" + getName() +
"-stderr",
new LogRedirector(executor.getErrorStream(), LOG, callback));
{noformat}
> Add log to record MapredLocalTask Failure
> -----------------------------------------
>
> Key: HIVE-19296
> URL: https://issues.apache.org/jira/browse/HIVE-19296
> Project: Hive
> Issue Type: Bug
> Components: Diagnosability
> Affects Versions: 1.1.0
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Priority: Minor
> Attachments: HIVE-19296.1.patch
>
>
> In some cases, When MapredLocalTask fails around Child process start time, we
> can not find the detail error information anywhere(not in strerr log, no
> MapredLocal log file). All we get is :
> {noformat}
> ******************* ERROR org.apache.hadoop.hive.ql.exec.Task:
> [HiveServer2-Background-Pool: Thread-****]: Execution failed with exit
> status: 1
> ******************* ERROR org.apache.hadoop.hive.ql.exec.Task:
> [HiveServer2-Background-Pool: Thread-****]: Obtaining error information
> ******************* ERROR org.apache.hadoop.hive.ql.exec.Task:
> [HiveServer2-Background-Pool: Thread-****]:
> Task failed!
> Task ID:
> Stage-48
> Logs:
> ******************* ERROR org.apache.hadoop.hive.ql.exec.Task:
> [HiveServer2-Background-Pool: Thread-****]:
> /var/log/hive/hadoop-cmf-hive1-HIVESERVER2-t.log.out
> ******************* ERROR org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask:
> [HiveServer2-Background-Pool: Thread-****]: Execution failed with exit
> status: 1
> {noformat}
> It is really hard to debug.
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