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