Github user Madhuka commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/263#issuecomment-135935396 zeppelin Notifications are designed to inform users about status of zeppelin. (All Notifications messages should give informative feedback.) 1. Error Notifications will inform system issues. eg: Network issue, File loading issue, System failtures 2. Warning Notifications are based on incorrect user interactions such as wrong data types/ queries/ wrong data model for chart types. 3. Primary notifications inform basic informations to the users. There are few other notification levels as well. Default message will be shown for 10000 ms (time is configurable) and after that the message starts fading out. If user noticed the notification, user can remove it by clicking on it.
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