zjffdu opened a new pull request #3904: URL: https://github.com/apache/zeppelin/pull/3904
### What is this PR for? Currently it would throw exception when there's no such session, it would make the api user confused. It is better to just return null when there's no such session. ### What type of PR is it? [ Improvement ] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-5035 ### How should this be tested? * Unit test is added ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
