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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9882) Trunk doesn't compile
Date Fri, 17 Jul 2015 10:36:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631164#comment-14631164
] 

Steve Loughran commented on HADOOP-9882:
----------------------------------------

more precisely, the java code generated by protoc is only compatible with the protobuf.jar
of that exact version, and classpath setup means the entire Hadoop stack needs to agree on
which version of the JAR to use. The wire format is compatible over time, just not the source
layer.

> Trunk doesn't compile
> ---------------------
>
>                 Key: HADOOP-9882
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9882
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>            Reporter: Jean-Baptiste Onofré
>
> Currently, trunk does not compile (in hadoop-common-project/hadoop-common module):
> [ERROR] Failed to execute goal org.apache.hadoop:hadoop-maven-plugins:3.0.0-SNAPSHOT:protoc
(compile-protoc) on project hadoop-common: org.apache.maven.plugin.MojoExecutionException:
protoc version is 'libprotoc 2.4.1', expected version is '2.5.0' -> [Help 1]
> I gonna fix that.



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