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From: Chris Mildebrandt <chris@woodenrhino.com>
Date: Sun, 28 Jul 2013 20:13:07 -0700
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Subject: Re: Building Hadoop...
To: common-dev@hadoop.apache.org
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I put together a small doc for myself while I was building Hadoop on OSX
that may help:

https://docs.google.com/document/d/13Lh4fS7ZIE2SyVLQxtqgbqLxn_lYdgOQY8oR3tZj4XU

Didn't really create it for public consumption, so it's not well formatted,
etc.

-Chris


On Sun, Jul 28, 2013 at 2:00 PM, James Carman <james@carmanconsulting.com>wrote:

> Okay, cool.  That's what I figured.  I'll try to figure out how to
> install specific versions using homebrew and move on down the road.
> Thanks!
>
> On Sun, Jul 28, 2013 at 4:22 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > Protobuf 2.5 isn't compatible with 2.4.1 which is the standard used by
> Hadoop 2.0
> >
> > On Jul 28, 2013, at 1:13 PM, James Carman <james@carmanconsulting.com>
> wrote:
> >
> >> I am on Mac OS X.  I've installed protobuf 2.5.0 using homebrew.
> >> However, I'm getting errors like this:
> >>
> >> [ERROR] Failed to execute goal
> >> org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile
> >> (default-compile) on project hadoop-common: Compilation failure:
> >> Compilation failure:
> >> [ERROR]
> /Users/jcarman/IdeaProjects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.java:[1486,37]
> >> cannot find symbol
> >> [ERROR] symbol  : class Parser
> >> [ERROR] location: package com.google.protobuf
> >> [ERROR]
> /Users/jcarman/IdeaProjects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.java:[1497,30]
> >> cannot find symbol
> >>
> >> Is this because protobuf is generating source code using a newer
> >> version and some of the classes aren't there?
> >>
> >>
> >> On Sun, Jul 28, 2013 at 10:15 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> >>> You should be using libprotoc 2.4.1
> >>>
> >>> Cheers
> >>>
> >>> On Sun, Jul 28, 2013 at 7:08 AM, James Carman
> >>> <jcarman@carmanconsulting.com>wrote:
> >>>
> >>>> Is there anything special I have to do to get the build working on my
> >>>> local machine?  I have installed protocol buffers and I of course have
> >>>> Maven/JDK.  I am getting compiler errors relating to protobuf.  Do I
> need a
> >>>> different version in my local Maven repository?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
>

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