[BEAM-6872] Add hook for user-defined JVM initialization in workers

• Type: New Feature
• Status: Triage Needed
• Priority: P3
• Resolution: Fixed
• Fix Version/s: 2.14.0
• Component/s: runner-dataflow
• Assignee: Brian Hulette
• Reporter: Brian Hulette
• Created: 20/Mar/19 22:55
• Updated: 25/Apr/24 11:09
• Resolved: 21/Jun/19 20:37

Description

Expose an interface for users to run some one-time initialization code when a worker starts up.
This can be useful for things like overriding the Default ZoneRulesProvider, or setting up custom SSL providers.

Issue Links

• links to: GitHub Pull Request #8104