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Kafka >> mail # user >> Exception in thread "main" java.lang.UnsupportedOperationException: empty.head


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Re: Exception in thread "main" java.lang.UnsupportedOperationException: empty.head
Any error from the controller/state-change log?

Thanks,

Jun
On Wed, May 28, 2014 at 1:50 AM, Hemath Kumar <[EMAIL PROTECTED]>wrote: