Github user khalidhuseynov commented on the issue: https://github.com/apache/zeppelin/pull/1408 @kavinkumarks thanks for contribution. the idea of propagating error to the user is a good one and definitely improves users experience. However, in your implementation you basically propagate all kinds of errors (on on top level catch `Exception`) with the same message to the user and he still not sure what the problem is. I think we need more fine grained approach here and let every method/feature implementor to be able to send `ERROR_INFO` message on his own catch statement for say `PROPAGATE_USER_EXCEPTION` with the message specific to error and throw other kinds of errors up to the logs. does that makes sense?
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