Github user zhangminglei commented on the issue:
https://github.com/apache/flink/pull/4424
Because build flink always cost me a lot of time, So, I wasnt did this
build flink stuff often.--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at [email protected] or file a JIRA ticket with INFRA. ---
