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https://issues.apache.org/jira/browse/HDFS-2647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167790#comment-13167790
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Doug Cutting commented on HDFS-2647:
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> However the TestDfsOverAvroRpc is related to this patch.
I think this is caused by:
+ DFSUtil.addPBProtocol(conf, InterDatanodeProtocolPB.class, service,
+ ipcServer);
Avro reflection then fails when trying to infer a protocol for the PB-generated
superclass of this.
> Enable protobuf RPC for InterDatanodeProtocol, ClientDatanodeProtocol,
> JournalProtocol and NamenodeProtocol
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-2647
> URL: https://issues.apache.org/jira/browse/HDFS-2647
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer, data-node, hdfs client, name-node
> Affects Versions: 0.24.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HDFS-2647.txt, HDFS-2647.txt
>
>
> This jira changes the client and servers to use protobuf based RPC for the
> protocols mentioned in the Summary.
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