zjffdu opened a new pull request #4263: URL: https://github.com/apache/zeppelin/pull/4263
### What is this PR for? The root cause of this issue is that when Note is serialized to json, it is being modified by another thread. This PR use thread-safe class for Note/Paragraph. ### What type of PR is it? [Bug Fix ] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-5574 ### How should this be tested? * Tested it for 2 days in customer's environment and no issue happen again. (Before this PR, this issue happens everyday) ### 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. To unsubscribe, e-mail: dev-unsubscr...@zeppelin.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
