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Posted to hdfs-issues@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/06/07 20:46:23 UTC
[jira] [Updated] (HDFS-4866) Protocol buffer support cannot compile
under C
[ 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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