How do you reproduce bugs that occur sporadically?

Question

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

Disclaime

Answer 1

I'd suggest to write down all things that user has been doing. If you have lets say 10 such bug reports You can try to find something that connects them.