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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: IO exception during merge/optimize
Date Mon, 26 Oct 2009 00:40:13 GMT
Hmm, if you got no exception whatsoever, something more fundamental
seems to be wrong w/ the error reporting when running as a windows
service.  Maybe make a simple Java test program that throws an
exception and try to get that working?

Mike

On Sun, Oct 25, 2009 at 7:35 PM, Peter Keegan <peterlkeegan@gmail.com> wrote:
>>Did you get any traceback printed at all?
> no, only what I reported.
>
>>Did you see any BG thread exceptions on wherever your System.err is
> directed to?
> The jvm was running as a windows service, so output to System.err may have
> gone to the bit bucket.
> That's an interesting point, though.
>
> Peter
>
>
> On Sun, Oct 25, 2009 at 8:47 AM, Michael McCandless <
> lucene@mikemccandless.com> wrote:
>
>> Hmm... Lucene tries to catch the original cause (from the BG thread
>> doing the merge) and forward it to the main thread waiting for
>> optimize to complete.
>>
>> Did you get any traceback printed at all?  It should include one
>> traceback into Lucene's optimized method, and then another (under
>> "caused by") showing the exception from the BG merge thread.
>>
>> Did you see any BG thread exceptions on wherever your System.err is
>> directed to?
>>
>> Mike
>>
>> On Sat, Oct 24, 2009 at 5:21 PM, Peter Keegan <peterlkeegan@gmail.com>
>> wrote:
>> > btw, this is with Lucene 2.9
>> >
>> > On Sat, Oct 24, 2009 at 5:20 PM, Peter Keegan <peterlkeegan@gmail.com
>> >wrote:
>> >
>> >> I'm sometimes seeing the following exception from an operation that does
>> a
>> >> merge and optimize:
>> >>  java.io.IOException: background merge hit exception: _0:C1082866 _1:C79
>> >> into _2 [optimize] [mergeDocStores]
>> >> I'm pretty sure that it's caused by a temporary low disk space
>> condition,
>> >> but I'd like to be able to confirm this. It would be nice to have the
>> java
>> >> exception included in the Lucene exception. Any way to get this?
>> >>
>> >> Peter
>> >>
>> >>
>> >
>>
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>>
>

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