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From "Ranith Sardar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13369) FSCK Report broken with RequestHedgingProxyProvider
Date Wed, 25 Apr 2018 15:29:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16452491#comment-16452491
] 

Ranith Sardar commented on HDFS-13369:
--------------------------------------

Thank you [~elgoiri].

I have changed the patch, according to trunk code and your suggestion. [^HDFS-13369.004.patch]

> FSCK Report broken with RequestHedgingProxyProvider 
> ----------------------------------------------------
>
>                 Key: HDFS-13369
>                 URL: https://issues.apache.org/jira/browse/HDFS-13369
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 2.8.3
>            Reporter: Harshakiran Reddy
>            Assignee: Ranith Sardar
>            Priority: Major
>         Attachments: HDFS-13369.001.patch, HDFS-13369.002.patch, HDFS-13369.003.patch,
HDFS-13369.004.patch
>
>
> Scenario:-
> 1.Configure the RequestHedgingProxy
> 2. write some files in file system
> 3. Take FSCK report for the above files
>  
> {noformat}
> bin> hdfs fsck /file1 -locations -files -blocks
> Exception in thread "main" java.lang.ClassCastException: org.apache.hadoop.hdfs.server.namenode.ha.RequestHedgingProxyProvider$RequestHedgingInvocationHandler
cannot be cast to org.apache.hadoop.ipc.RpcInvocationHandler
> at org.apache.hadoop.ipc.RPC.getConnectionIdForProxy(RPC.java:626)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.getConnectionId(RetryInvocationHandler.java:438)
> at org.apache.hadoop.ipc.RPC.getConnectionIdForProxy(RPC.java:628)
> at org.apache.hadoop.ipc.RPC.getServerAddress(RPC.java:611)
> at org.apache.hadoop.hdfs.HAUtil.getAddressOfActive(HAUtil.java:263)
> at org.apache.hadoop.hdfs.tools.DFSck.getCurrentNamenodeAddress(DFSck.java:257)
> at org.apache.hadoop.hdfs.tools.DFSck.doWork(DFSck.java:319)
> at org.apache.hadoop.hdfs.tools.DFSck.access$000(DFSck.java:72)
> at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:156)
> at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:153)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
> at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:152)
> 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.tools.DFSck.main(DFSck.java:385){noformat}
>  



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