GitHub user zjffdu opened a pull request: https://github.com/apache/zeppelin/pull/2025
ZEPPELIN-2108. Livy interpreter job cancellation throws NPE ### What is this PR for? It happens in some corner cases where output is null when statement is cancelled. ### What type of PR is it? [Bug Fix] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-2108 ### How should this be tested? Tested manually  . ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No You can merge this pull request into a Git repository by running: $ git pull https://github.com/zjffdu/zeppelin ZEPPELIN-2108 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/2025.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #2025 ---- commit 8c8e0a7b87a8f42fa501b509174565b325cffbea Author: Jeff Zhang <zjf...@apache.org> Date: 2017-02-14T05:34:38Z ZEPPELIN-2108. Livy interpreter job cancellation throws NPE ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---