[FLINK-25333] Harden UID management when constructing statefun universe

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: statefun-3.2.0
• Component/s: Stateful Functions
• Labels: pull-request-available
• Assignee: Seth Wiesman
• Reporter: Seth Wiesman
• Created: 15/Dec/21 16:45
• Updated: 15/Dec/21 21:13
• Resolved: 15/Dec/21 21:13

Description

As described in this stack overflow, we do not set UIDs on routers. Because of how the stream graph is generated, the uids may be non-deterministic. We should manually set all UIDs and enforce this via configuration. 

 

https://stackoverflow.com/questions/70316498/flink-statefun-high-availability-exception-java-lang-illegalstateexception-th

Issue Links

• is related to: FLINK-25267 Unable to (always) recover using checkpoint in HA setup (both Zookeeper and Kubernetes)
• links to: GitHub Pull Request #17
• links to: GitHub Pull Request #279