GitHub user zjffdu opened a pull request: https://github.com/apache/zeppelin/pull/2822
ZEPPELIN-3242. Listener threw an exception java.lang.NPEat o.a.zeppelin.spark.Utils.getNoteId(Utils.java:156) ### What is this PR for? This issue also cause spark url can not be displayed in frontend. The root cause is that PySparkInterpreter/IPySparkInterpreter doesn't set JobGroup correctly. ### What type of PR is it? [Bug Fix] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-3242 ### How should this be tested? * CI pass and also manually verified. ### 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-3242 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/2822.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 #2822 ---- commit 8254162e2739a2b1e929f2463d534b32b8f5707b Author: Jeff Zhang <zjffdu@...> Date: 2018-02-27T12:53:54Z ZEPPELIN-3242. Listener threw an exception java.lang.NPEat o.a.zeppelin.spark.Utils.getNoteId(Utils.java:156) ---- ---