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Posted to mapreduce-issues@hadoop.apache.org by "Kuldeep Kulkarni (JIRA)" <ji...@apache.org> on 2015/03/17 11:52:38 UTC
[jira] [Created] (MAPREDUCE-6276) Error in encrypted shuffle
Kuldeep Kulkarni created MAPREDUCE-6276:
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Summary: 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
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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