Github user nickwallen commented on the issue:
https://github.com/apache/incubator-metron/pull/250
I don't see any unit tests that check for correct handling of overflow or
underflow. Am I missing them?
I modified the tests to see what happens and when you actually hit an
overflow condition. The code correctly detects it from what I can tell, but
there is no indication that it occurred. Similar to METRON-404, but not during
function initialization. The exception gets swallowed and all you see is
"ParseException: Unable to pop an empty stack". Could be addressed as a
separate PR, but worthy of a fixin.
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