[GitHub] [zeppelin] NicolasGong opened a new pull request #4216: Update JobManager.java

NicolasGong opened a new pull request #4216: URL: https://github.com/apache/zeppelin/pull/4216 [ZEPPELIN-5510] There are some logic problems, which may lead to thread leaks ### What is this PR for? Fix code issues. ### What type of PR is it? [Improvement] ### W

[jira] [Created] (ZEPPELIN-5510) There are some logic problems, which may lead to thread leaks

gongyining created ZEPPELIN-5510: Summary: There are some logic problems, which may lead to thread leaks Key: ZEPPELIN-5510 URL: https://issues.apache.org/jira/browse/ZEPPELIN-5510 Project: Zeppelin