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https://issues.apache.org/jira/browse/HADOOP-7155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999705#comment-12999705
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Konstantin Shvachko commented on HADOOP-7155:
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I agree with both of you, that Server.CURRENT_VERSION is the basis of all
VersionedProtocol and that it defines the serialization format. But I don't
understand why it should be defined on the Server.
If I write a new alternative server (or a client), which talks the same
language as current VersionedProtocol I want to inherit the constant from the
protocol, rather than the old server.
CURRENT_VERSION may also belong to Writable, I can understand that, but Server?
> Move ipc.Server#CURRENT_VERSION constant to VersionedProtocol.
> --------------------------------------------------------------
>
> Key: HADOOP-7155
> URL: https://issues.apache.org/jira/browse/HADOOP-7155
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.20.0
> Reporter: Konstantin Shvachko
>
> Constant o.a.h.ipc.Server#CURRENT_VERSION defines RPC version. It should be
> tied to the VersionedProtocol interface rather than the ipc.Server
> implementation.
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