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https://issues.apache.org/jira/browse/HDFS-16218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira Ajisaka resolved HDFS-16218.
----------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Thank you! Merged into trunk.
> RBF: RouterFedbalance should load HDFS config
> ---------------------------------------------
>
> Key: HDFS-16218
> URL: https://issues.apache.org/jira/browse/HDFS-16218
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Environment: Hadoop 3.3.0 + patches, Kerberos authentication is
> enabled
> Reporter: Akira Ajisaka
> Assignee: Fengnan Li
> Priority: Major
> Labels: newbie, pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> RouterFedBalance fails to connect to DFSRouter when Kerberos is enabled
> because "dfs.federation.router.kerberos.principal" in hdfs-site.xml is not
> loaded.
> {quote}
> 21/09/08 17:21:38 ERROR rbfbalance.RouterFedBalance: Submit balance job
> failed.
> java.io.IOException: DestHost:destPort 0.0.0.0:8111 , LocalHost:localPort
> <host>/<IP>:0. Failed on local exception: java.io.IOException: Couldn't set
> up IO streams: java.lang.IllegalArgumentException: Failed to specify server's
> Kerberos principal name
> at
> org.apache.hadoop.hdfs.protocolPB.RouterAdminProtocolTranslatorPB.getMountTableEntries(RouterAdminProtocolTranslatorPB.java:198)
> at
> org.apache.hadoop.hdfs.rbfbalance.MountTableProcedure.getMountEntry(MountTableProcedure.java:140)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance.getSrcPath(RouterFedBalance.java:326)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance.access$000(RouterFedBalance.java:68)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance$Builder.build(RouterFedBalance.java:168)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance.submit(RouterFedBalance.java:302)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance.run(RouterFedBalance.java:216)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> at
> org.apache.hadoop.hdfs.rbfbalance.RouterFedBalance.main(RouterFedBalance.java:376)
> {quote}
> When adding the property specifically by "-D" option, the command worked.
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