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From Tom White <>
Subject Re: RedHat moving to OpenJDK
Date Mon, 19 Mar 2012 04:15:48 GMT
On Sun, Mar 18, 2012 at 5:22 PM, Roman Shaposhnik <> wrote:
> On Thu, Mar 15, 2012 at 12:46 PM, Jos Backus <> wrote:
>> "Finally, Red Hat seems to have largely switched to OpenJDK. This is
>> what JPackage is using for builds as well.
> Speaking of which -- what's your read on JPackage. It feels dead to me
> (and that's why Bigtop started packaging outside of immediate Bigdata
> scope) but I could be wrong.
>> There has been no need to
>> build a nosrc.rpm for a while now, assuming you're willing to give up
>> the Oracle JDK for the OpenJDK in your base OS."
>> How do people here feel about this move?
> I think we have to bite the bullet and start supporting OpenJDK. At least
> as an alternative JDK to Oracle's one.

Various folks have been trying out Hadoop on OpenJDK with Whirr (see, and no major
problems have been found yet. Granted, it hasn't had extensive
testing, but it's a start. Doing some testing in Bigtop would be

> That said I had reports about
> silly incompatibilities (like what a null would produce when turned into
> a string or something) that trip up Hadoop big time and nobody wants
> to spend time debugging it.

Can you point to any bug reports please?


> Thanks,
> Roman.

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