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https://issues.apache.org/jira/browse/HDFS-9055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14741774#comment-14741774
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Allen Wittenauer commented on HDFS-9055:
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A bit more research reveals that the gRPC FAQ specifically states that it
currently doesn't work in a browser. So yes, it does not work with curl or
wget despite the above assurances. Added bonus: it is HIGHLY HIGHLY HIGHLY
recommend to use protobuf 3.x in order to get the widest possible language
coverage.
So yeah, gRPC is a total non-starter without massive delays and reworking
things like the entire RPC layer.
Meanwhile... back to fixing WebHDFS.
> WebHDFS REST v2
> ---------------
>
> Key: HDFS-9055
> URL: https://issues.apache.org/jira/browse/HDFS-9055
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: webhdfs
> Affects Versions: 3.0.0
> Reporter: Allen Wittenauer
>
> There's starting to be enough changes to fix and add missing functionality to
> webhdfs that we should probably update to REST v2. This also gives us an
> opportunity to deal with some incompatible issues.
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