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From Prabath Abeysekara <>
Subject Re: Running Cassandra on top of non-Oracle/Sun JDK environments
Date Thu, 31 Oct 2013 18:49:42 GMT
Hi Rob,

On Thu, Oct 31, 2013 at 11:54 PM, Robert Coli <> wrote:

> On Thu, Oct 31, 2013 at 4:11 AM, Prabath Abeysekara <
>> wrote:
>> Just want to know whether the $subject is recommended. Because, I've seen
>> some of the Oracle(Sun) specific packages "sun.misc.*" are being used in a
>> few places in Cassandra code base, which is not interoperable. So, it would
>> be great if someone can shed some light as to what extent it is recommended
>> to use with Java implementations other than Oracle(Sun).
> The codebase passive aggressively tells you to "upgrade" your JVM if you
> use a non-Oracle environment.
> The summary seems to be that Cassandra mostly works with OpenJDK, but that
> it is not supported, common, or recommended. Community experiences
> indicates that you will encounter far more issues with OpenJDK 6 than 7.
> Cassandra 2.0 requires Java 7...
> In summary, unless you absolutely *must* use OpenJDK, you should use the
> Oracle/Sun JVM/JDK.

Thanks a lot for the information. Cassandra documentation says it supports
IBM JDK as well. I'm wondering to what extent that statement is valid given
the aforementioned problems.


> =Rob


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