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From Jim Klucar <klu...@gmail.com>
Subject Re: Intermittent TableInputFormat error
Date Mon, 19 May 2014 21:52:29 GMT

Here are the mapper Exceptions. The first thing the mapper does is try to
create an "EventKey" object and emit it with the value. Code snippet is in


One thing we're doing that may be different is that we're continuously
bulk-loading data into HBase.

On Thu, May 15, 2014 at 11:19 AM, Jim Klucar <klucar@gmail.com> wrote:

> Hello,
> We are running map/reduce over HBase 0.96.2-hadoop1 with TableInputFormat
> and get an intermittent error that we can't track down. It shows up in
> different jobs and we can reprocess the same data with no problems. Our
> theory is that HBase may be migrating a region to a different server while
> the scanner is reading it. Perhaps there is some setting we can enable to
> prevent this?
> Here's the stack trace we get:
> http://pastebin.com/Wh3ZBC0J
> Any insight is appreciated, let me know if you would like me to gather any
> other log data.
> Thanks,
> Jim

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