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Posted to dev@tajo.apache.org by "Jaehwa Jung (JIRA)" <ji...@apache.org> on 2014/01/10 08:58:50 UTC
[jira] [Updated] (TAJO-490) Tajo can't use 'dfs.nameservices' based
on namenode ha mode.
[ https://issues.apache.org/jira/browse/TAJO-490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jaehwa Jung updated TAJO-490:
-----------------------------
Attachment: TAJO-490.patch
I created a review request in RB https://reviews.apache.org/r/16775/.
Please check it. :)
> Tajo can't use 'dfs.nameservices' based on namenode ha mode.
> ------------------------------------------------------------
>
> Key: TAJO-490
> URL: https://issues.apache.org/jira/browse/TAJO-490
> Project: Tajo
> Issue Type: Bug
> Components: conf and scripts
> Affects Versions: 0.8-incubating
> Reporter: Jaehwa Jung
> Assignee: Jaehwa Jung
> Fix For: 0.8-incubating
>
> Attachments: TAJO-490.patch
>
>
> I tested tajo based on namenode ha mode. I set hdfs-site.xml as follows:
> {code:xml}
> <property>
> <name>dfs.nameservices</name>
> <value>local-cluster</value>
> </property>
> <property>
> <name>dfs.ha.namenodes.local-cluster</name>
> <value>nn1,nn2</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.local-cluster.nn1</name>
> <value>server01:9020</value>
> </property>
> <property>
> <name>dfs.namenode.rpc-address.local-cluster.nn2</name>
> <value>server02:9020</value>
> </property>
> <property>
> <name>dfs.ha.automatic-failover.enabled</name>
> <value>true</value>
> </property>
> ...... omit middle .....
> {code}
> But tajo deamons couldn't start up as follows:
> {code:xml}
> 2014-01-10 12:08:25,892 INFO master.TajoMaster (TajoMaster.java:checkAndInitializeSystemDirectories(218)) - Tajo Root Directory: hdfs://local-cluster/tajo
> 2014-01-10 12:08:27,576 ERROR master.TajoMaster (TajoMaster.java:init(181)) - java.net.UnknownHostException: local-cluster
> java.lang.IllegalArgumentException: java.net.UnknownHostException: local-cluster
> at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:414)
> at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:164)
> at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:129)
> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:448)
> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:410)
> at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:128)
> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2308)
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:87)
> at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2342)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2324)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:351)
> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:194)
> at org.apache.tajo.master.TajoMaster.checkAndInitializeSystemDirectories(TajoMaster.java:221)
> at org.apache.tajo.master.TajoMaster.init(TajoMaster.java:161)
> at org.apache.tajo.master.TajoMaster.main(TajoMaster.java:1060)
> Caused by: java.net.UnknownHostException: local-cluster
> ... 15 more
> {code}
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