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From "Zhenxiao Luo (JIRA)" <>
Subject [jira] [Commented] (HIVE-2804) Task log retrieval fails on secure cluster
Date Tue, 01 May 2012 23:18:52 GMT


Zhenxiao Luo commented on HIVE-2804:

When running in CDH4 branch(which is using MR2 cluster), in a real non-secure cluster, always
getting the following exception:

Exception in thread "Thread-31" java.lang.RuntimeException: Error while reading from task
log url
	at org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(
	at org.apache.hadoop.hive.ql.exec.JobDebugger.showJobFailDebugInfo(
Caused by: Server returned HTTP response code: 400 for URL:
	at org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(
	... 3 more
FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask
MapReduce Jobs Launched: 
Job 0: Map: 2   HDFS Read: 0 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec

After working a patch, using HostUtil.getTaskLogUrl() to retrieve the log, the same exception
still happens.

Found out that, for this intentionally failed testcase, no log generated at all.
> Task log retrieval fails on secure cluster
> ------------------------------------------
>                 Key: HIVE-2804
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Diagnosability, Query Processor, Security
>            Reporter: Carl Steinbach
>            Assignee: Zhenxiao Luo

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