[FLINK-6531] Deserialize checkpoint hooks with user classloader

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.3.0, 1.4.0
• Component/s: Runtime / State Backends
• Assignee: Eron Wright
• Reporter: Eron Wright
• Created: 10/May/17 16:42
• Updated: 17/May/17 00:02
• Resolved: 11/May/17 16:25

Description

The checkpoint hooks introduced in FLINK-6390 aren't being deserialized with the user classloader, breaking remote execution.

Remote execution produces a `ClassNotFoundException` as the job graph is transferred from the client to the JobManager.

Issue Links

• relates to: FLINK-6606 Create checkpoint hook with user classloader
• links to: GitHub Pull Request #3867