Github user Madhuka commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/263#issuecomment-136568386
@djoelz Current Zeppelin doesn't have facility to show error messages or
system failures for the users on web user interface. So the notification
service will enable this. Zeppelin developers could use this notification
service for error handling. The answers @corneadoug have given are correct.
If any more uncleared issues please let us know.
Thanks.
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