Github user merrimanr commented on the issue:
https://github.com/apache/metron/pull/1213
The latest commit removes the callbacks. Now the execute method returns a
list of ParserResult objects. I had to add a MetronError field to the
ParserResult class so that both successful messages and errors are passed back.
I also noticed we are currently skipping a tuple if no configuration is
found for that sensor. I think skipping the tuple is fine but we should still
log an error message. I made a change in the ParserRunner class to throw an
error on this condition. The parser bolt will catch it and handle it similar
to a parser error by creating a MetronError object and sending it to the error
topic. Does anyone think we should keep as it is now?
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