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https://issues.apache.org/jira/browse/HBASE-9299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13748728#comment-13748728
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Eric Charles commented on HBASE-9299:
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yes, protoc will be run at every build, putting the java file in target/...,
that's how the plugins that generate work. but written in the README.txt,
protoc is fast.
The idea is to commit a plugin commented-in. So it will not be invoked. Only
developers willing to run the plugin sould comment-out the definition. Does it
make sense? Maybe you can write a clearer sentence?
> Generate the protobuf classes with hadoop-maven-plugin
> ------------------------------------------------------
>
> Key: HBASE-9299
> URL: https://issues.apache.org/jira/browse/HBASE-9299
> Project: HBase
> Issue Type: New Feature
> Reporter: Eric Charles
> Attachments: HBASE-9299.patch
>
>
> For now, the protobuf classes are generated once by a dev, and put in
> src/main/resouce.
> This allows the other dev to not have the correct protoc version available on
> their machine. However, when a dev wants to modify the protoc messages, he
> has to know how to generate the classes. This could be documented...
> Another approach would be to put a harder requirement on the hbase developers
> (protoc available) and let the hadoop-maven-plugin
> (http://central.maven.org/maven2/org/apache/hadoop/hadoop-maven-plugins/2.0.5-alpha)
> to do the work (I have bad experience with other maven protobuf plugins, the
> hadoop one works just out of the box).
> I don't think asking to install protoc to build hbase is so difficult, but
> that's an additional step between the dev and the artifcat.
> The advantage would be to allow to have different protobuf versions for
> different hbase distributions (perfectly possible but quite theorical).
> So
> option 1: We are happy to keep the classes in src/main/java
> option 2: We want to move to hadoop-maven-plugin
> option 3: I may be short of idea... any other input?
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