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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4866) Protocol buffer support cannot compile under C
Date Fri, 07 Jun 2013 18:46:23 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-4866:
----------------------------------

             Priority: Blocker  (was: Major)
    Affects Version/s:     (was: 2.0.4-alpha)
                       2.1.0-beta
    
> Protocol buffer support cannot compile under C
> ----------------------------------------------
>
>                 Key: HDFS-4866
>                 URL: https://issues.apache.org/jira/browse/HDFS-4866
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.1.0-beta
>            Reporter: Ralph Castain
>            Assignee: Arpit Agarwal
>            Priority: Blocker
>         Attachments: NamenodeProtocol.pb-c.c, NamenodeProtocol.pb-c.h, pcreate.pl
>
>
> When compiling Hadoop's .proto descriptions for use in C, an error occurs because one
of the RPC's in NamenodeProtocol.proto is named "register". This name is a reserved word in
languages such as C. When using the Java and C++ languages, the name is hidden inside a class
and therefore doesn't cause an error. Unfortunately, that is not the case in non-class languages
such as C.
> Note: generating the C translation of the .proto files requires installation of the protobuf-c
package from google:
> http://code.google.com/p/protobuf-c/

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