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https://issues.apache.org/jira/browse/HDFS-13214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-13214:
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Attachment: HDFS-13214.001.patch
> RBF: Configuration on Router conflicts with client side configuration
> ---------------------------------------------------------------------
>
> Key: HDFS-13214
> URL: https://issues.apache.org/jira/browse/HDFS-13214
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 2.9.0
> Reporter: Tao Jie
> Priority: Major
> Attachments: HDFS-13214.001.patch
>
>
> In a typical router-based federation cluster, hdfs-site.xml is supposed to be:
> {code}
> <property>
> <name>dfs.nameservices</name>
> <value>ns1,ns2,ns-fed</value>
> </property>
> <property>
> <name>dfs.ha.namenodes.ns-fed</name>
> <value>r1,r2</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.ns1</name>
> <value>host1:8020</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.ns2</name>
> <value>host2:8020</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.ns-fed.r1</name>
> <value>host1:8888</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.ns-fed.r2</name>
> <value>host2:8888</value>
> </property>
> {code}
> {{dfs.ha.namenodes.ns-fed}} here is used for client to access the Router.
> However with this configuration on server node, Router fails to start with
> error:
> {code}
> org.apache.hadoop.HadoopIllegalArgumentException: Configuration has multiple
> addresses that match local node's address. Please configure the system with
> dfs.nameservice.id and dfs.ha.namenode.id
> at org.apache.hadoop.hdfs.DFSUtil.getSuffixIDs(DFSUtil.java:1198)
> at org.apache.hadoop.hdfs.DFSUtil.getNameServiceId(DFSUtil.java:1131)
> at
> org.apache.hadoop.hdfs.DFSUtil.getNamenodeNameServiceId(DFSUtil.java:1086)
> at
> org.apache.hadoop.hdfs.server.federation.router.Router.createLocalNamenodeHearbeatService(Router.java:466)
> at
> org.apache.hadoop.hdfs.server.federation.router.Router.createNamenodeHearbeatServices(Router.java:423)
> at
> org.apache.hadoop.hdfs.server.federation.router.Router.serviceInit(Router.java:199)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at
> org.apache.hadoop.hdfs.server.federation.router.DFSRouter.main(DFSRouter.java:69)
> 2018-03-01 18:05:56,208 ERROR
> org.apache.hadoop.hdfs.server.federation.router.DFSRouter: Failed to start
> router
> {code}
> Then the router tries to find the local namenode, multiple properties:
> {{dfs.namenode.rpc-address.ns1}}, {{dfs.namenode.rpc-address.ns-fed.r1}}
> match the local address.
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