zeppelin git commit: ZEPPELIN-3154. Fixed Checkstyle errors and warnings in flink module

Repository: zeppelin Updated Branches: refs/heads/master 500b74b19 -> 65b797c22 ZEPPELIN-3154. Fixed Checkstyle errors and warnings in flink module ### What is this PR for? Fixed the Checkstyle errors and warnings in the flink module. ### What type of PR is it? Improvement ### Todos * [ ] -

zeppelin git commit: ZEPPELIN-3242. Listener threw an exception java.lang.NPEat o.a.zeppelin.spark.Utils.getNoteId(Utils.java:156)

Repository: zeppelin Updated Branches: refs/heads/branch-0.8 15733f4ec -> 18f3e547a 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

zeppelin git commit: ZEPPELIN-3242. Listener threw an exception java.lang.NPEat o.a.zeppelin.spark.Utils.getNoteId(Utils.java:156)

Repository: zeppelin Updated Branches: refs/heads/master 64bbba479 -> 500b74b19 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 ca

zeppelin git commit: [HOTFIX]. Correct spark shim version

Repository: zeppelin Updated Branches: refs/heads/branch-0.8 fd96855d9 -> 15733f4ec [HOTFIX]. Correct spark shim version ### What is this PR for? Correct the version for spark shims ### What type of PR is it? [Bug Fix ] ### Todos * [ ] - Task ### What is the Jira issue? * No jira created #