On this topic, you might be interested in the latest update regarding plans for supporting OpenJDK 11 across all Atlassian Server & Data Center products -> https://community.atlassian.com/t5/Jira-discussions/Java-11-and-OpenJDK-support-for-Atlassian-Server-amp-Data-Center/m-p/872998#M4575
In theory it's possible. However Atlassian has not tested the current released versions of Jira against this version of Java yet. Please see the Supported platforms documentation for Jira:
It explains that only Oracles Java 8 (also known as 1.8) is supported for Jira at this time. It is possible that Jira will support this Java platform at some point in the future, but for the time being this platform is not supported.
Please stick to the supported JDK versions - using unsupported ones will give you problems for which you simply are not supported, and any call for help is going to get you a simple "run it on the right version, then see if you still have problems"
The wait is over... Portfolio for Jira Server and Data Center 3.0 is now officially here! Platform releases offer Atlassian an opportunity to shift our strategy, make bold predictions about t...
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