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From Josh Elser <>
Subject Re: 'scanner closed' error
Date Sun, 03 Aug 2014 21:05:27 GMT

Does this describe your error?

On 8/3/14, 4:50 PM, Don Resnik wrote:
> I have some query logic that uses a stack of custom iterators with a
> batch scanner.  The query begins to return values but then stops with a
> 'scanner closed' error.  The only reference I can find to scanner closed
> in the src is in TabletServerBatchReaderIterator.  I can see that the
> error is thrown when the query thread pool is shutdown, but I am not
> sure why this is happening.  This query logic works on a single node
> instance, but I get the scanner closed error when running on a multi-node
> cluster.
> So far the stack traces have not been very helpful and we are not sure
> where or how to troubleshoot this.  Any info on what conditions would
> lead to a scanner closed error and where to begin looking to resolve
> would be appreciated.
> Thanks,

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