[FLINK-25247] Inform users about deprecation

• Type: Sub-task
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.15.0
• Component/s: Documentation
• Labels: pull-request-available
• Release Note: Support for Java 8 has been deprecated, and will be removed in a future release. We recommend all users to migrate to Java 11.
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 10/Dec/21 09:05
• Updated: 02/Mar/22 09:20
• Resolved: 24/Feb/22 13:39

Description

We should inform our users about the Java 8 deprecation.

This at least includes a notice in the documentation.

We could also remove Java 8 from any tutorial/getting-started sections, or log a message when Flink is started.

Issue Links

• links to: GitHub Pull Request #18875