How do you reproduce bugs that are occur sporadically?

Posted by furtelwart on Stack Overflow See other posts from Stack Overflow or by furtelwart
Published on 2010-03-25T13:33:32Z Indexed on 2010/03/25 13:43 UTC
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language-agnostic

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debugging

We have a bug in our application that does not occur everytime and therefore we don't know it's "logic". I don't even get it reproduced in 100 times today.

Disclaimer: This bug exists and I've seen it. It's not a pebkac or something similar.

What are common hints to reproduce this kind of bugs?

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