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https://issues.apache.org/jira/browse/HDFS-13369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17607347#comment-17607347
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ASF GitHub Bot commented on HDFS-13369:
---------------------------------------
navinko opened a new pull request, #4917:
URL: https://github.com/apache/hadoop/pull/4917
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### How was this patch tested?
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> 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, 3.0.0, 3.1.0
> 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, HDFS-13369.005.patch,
> HDFS-13369.006.patch, HDFS-13369.007.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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