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From Chris Riccomini <>
Subject Re: Recommended JDK version?
Date Tue, 09 Dec 2014 16:39:51 GMT
Hey all,

We've reached a bit of an impasse between upgrading to Scala 2.11:

And deprecating JDK 6:

It looks as though Scalatra 2.3, which is required for Scala 2.11 support,
was built using JDK 7. This means that upgrading to Scala 2.11 forces us
to deprecate JDK 6. It is possible for us to work around this by
eliminating the Scalatra dependency, but this would require some work in



On 11/4/14 6:58 AM, "Martin Kleppmann" <> wrote:

>Hi Tommy,
>There was a discussion about minimum JDK requirements a few months ago,
>and at the time, nobody was asking for JDK 6 support, so we bumped the
>requirement up to JDK 7. However, in the meantime, there have been some
>requests for JDK 6.
>I've tried to summarise the state of the discussion on this ticket:
> -- please chime in there.
>On 4 Nov 2014, at 13:05, Tommy Becker <> wrote:
>> Hey folks,
>> I've noticed that the Samza jars from Maven are compiled for JDK 7.  I
>>don't see anything about a minimum JDK version on the site.  We are
>>currently still on JDK 6 and I'm trying to decide whether we should go
>>ahead and upgrade or whether we can recompile Samza for JDK 6.  What are
>>your thoughts?
>> -Tommy
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