[jira] [Commented] (MAPREDUCE-6276) Error in encrypted shuffle

["Kuldeep Kulkarni (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364929#comment-14364929 ] 

Kuldeep Kulkarni commented on MAPREDUCE-6276:
---------------------------------------------

also attaching my hadoop configuration files.

> Error in encrypted shuffle
> --------------------------
>
>                 Key: MAPREDUCE-6276
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6276
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>         Environment: Centos 6.5 
> Multinode hdp 2.2 cluster
> using mapreduce version 2
> hadoop version 2.6.0
>            Reporter: Kuldeep Kulkarni
>            Priority: Blocker
>         Attachments: log.txt
>
>
> Hey Guys,
> After enabling wire encryption my UIs are working fine, I'm able to read/write to hdfs securely however encrypted shuffle is not working. I'm getting below error, could you please help me ?
> Note - mappers are getting finished successfully however job gets failed during shuffle.
> {code}
> 2015-03-17 17:00:54,322 WARN [fetcher#1] org.apache.hadoop.mapreduce.task.reduce.Fetcher: Failed to connect to hdprndnode.dm.com:13562 with 8 map outputs
> javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
> 	at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
> {code}
> Please find attached full log for more details.
> Thanks,
> Kuldeep



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