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distcp : Can't get Master Kerberos principal for use as renewer

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author-rank AxelJ
Frequent Visitor

Created on ‎06-06-2016 09:16 AM - edited ‎09-16-2022 03:23 AM

Hi all,

We have just install a Kerberized cluster.

I would like to copy data from the former unsecured cluster (opendatarec) to the secured one (opendata) using distcp.

I run the following command on the secured cluster :

[hdfs@opendatafr01f ~]$ hadoop distcp webhdfs://opendatarecm01f.bi3.local:50070/toto webhdfs://opendatam01f.bi3.local:50070/tmp/

 

and get the following error :

mp/
16/06/06 17:46:55 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false, syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null', copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[webhdfs://opendatarecm01f.bi3.local:50070/toto], targetPath=webhdfs://opendatam01f.bi3.local:50070/tmp, targetPathExists=true, preserveRawXattrs=false, filtersFile='null'}
16/06/06 17:46:55 INFO Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id
16/06/06 17:46:55 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId=
16/06/06 17:46:55 ERROR tools.DistCp: Exception encountered
java.io.IOException: Can't get Master Kerberos principal for use as renewer
at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:133)
at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:100)
at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:80)
at org.apache.hadoop.tools.SimpleCopyListing.validatePaths(SimpleCopyListing.java:164)
at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:85)
at org.apache.hadoop.tools.GlobbedCopyListing.doBuildListing(GlobbedCopyListing.java:90)
at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:86)
at org.apache.hadoop.tools.DistCp.createInputFileListing(DistCp.java:372)
at org.apache.hadoop.tools.DistCp.execute(DistCp.java:172)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:123)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.tools.DistCp.main(DistCp.java:436)

 

Any suggestion ?

Thanks

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