[jira] [Commented] (HDFS-11958) Ozone: Ensure KSM is initiated using ProtobufRpcEngine

["Anu Engineer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-11958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044741#comment-16044741 ] 

Anu Engineer commented on HDFS-11958:
-------------------------------------

+1, I will commit this shortly.


> Ozone: Ensure KSM is initiated using ProtobufRpcEngine
> ------------------------------------------------------
>
>                 Key: HDFS-11958
>                 URL: https://issues.apache.org/jira/browse/HDFS-11958
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Critical
>         Attachments: HDFS-11958-HDFS-7240.001.patch
>
>
> Reproduce Steps
> # Launch an ozone cluster
> # Create a volume via commandline
> {code}
> hdfs oz -createVolume http://ozone1.fyre.ibm.com:9864/volume-wwei-0 -user root
> {code}
> it failed with following error
> {noformat}
> SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
> java.lang.RuntimeException: java.lang.NoSuchFieldException: versionID
>  at org.apache.hadoop.ipc.RPC.getProtocolVersion(RPC.java:182)
>     at org.apache.hadoop.ipc.WritableRpcEngine$Invocation.<init>(WritableRpcEngine.java:114)
>     at org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:247)
>     at com.sun.proxy.$Proxy18.createVolume(Unknown Source)
> ...
> Caused by: java.lang.NoSuchFieldException: versionID
>     at java.lang.Class.getField(Class.java:1703)
>     at org.apache.hadoop.ipc.RPC.getProtocolVersion(RPC.java:178)
>     ... 25 more
> {noformat}
> This was because {{keySpaceManagerClient}} in {{ObjectStoreHandler}} currently is not properly initiated, it should be using {{ProtobufRpcEngine}} instead of {{WritableRpcEngine}} which is deprecated.



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