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From "Kuldeep Kulkarni (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6276) Error in encrypted shuffle
Date Tue, 17 Mar 2015 10:52:38 GMT
Kuldeep Kulkarni created MAPREDUCE-6276:

             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.

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)

Please find attached full log for more details.


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