Reamer opened a new pull request #4260: URL: https://github.com/apache/zeppelin/pull/4260
### What is this PR for? This PR implement `OnError`, which is necessary to cleanup the connectionManager, if possible. ### What type of PR is it? - BugFix ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-5569 ### How should this be tested? * I have done some manual testing, but it is difficult to test this case. ### 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. To unsubscribe, e-mail: dev-unsubscr...@zeppelin.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
