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From: Robert Muir <rcmuir@gmail.com>
Date: Tue, 18 Sep 2012 07:39:48 -0400
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 <CAOdYfZUhvBrS+rQ3jEkN-kTogtV5FEwxAMCf48v4FiSrcgOdfw@mail.gmail.com>
Subject: Re: "ant precommit" can't find python
To: dev@lucene.apache.org
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yes you need python3, unfortunately the scripts dont work with python2.

I'm not sure what help we could give besides the message already
given... for the mac i installed the binary package from
http://python.org/download/

On Tue, Sep 18, 2012 at 7:30 AM, Erick Erickson <erickerickson@gmail.com> wrote:
> I tried running "ant precommit" on my machine and get this after it
> cranks away for a while:
>
>
> /Users/Erick/apache/4x/build.xml:59: The following error occurred
> while executing this line:
> /Users/Erick/apache/4x/lucene/build.xml:230: The following error
> occurred while executing this line:
> /Users/Erick/apache/4x/lucene/common-build.xml:1802: Execute failed:
> java.io.IOException: Cannot run program "python3.2" (in directory
> "/Users/Erick/apache/4x/lucene"): error=2, No such file or directory
>         at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>         at java.lang.Runtime.exec(Runtime.java:593)
>         .
>         .
>         .
>
> It appears that I have python 2.6 hanging around on my machine, but
> I've never used it, so haven't set up anything, and it's the wrong
> version anyway.
>
> Can we add a check for python existing up-front and maybe print a
> helpful message (I'm thinking something like ivy-bootstrap)? I'm
> guessing that actually having the executable in 4x/lucene isn't the
> best solution and I should have an env variable somewhere?
>
> Erick
>
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