[FLINK-6341] JobManager can go to definite message sending loop when TaskManager registered

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Component/s: Runtime / Coordination
• Assignee: Tao Wang
• Reporter: Tao Wang
• Created: 20/Apr/17 12:25
• Updated: 28/Feb/19 14:01
• Resolved: 28/Apr/17 16:12

Description

When TaskManager register to JobManager, JM will send a "NotifyResourceStarted" message to kick off Resource Manager, then trigger a reconnection to resource manager through sending a "TriggerRegistrationAtJobManager".

When the ref of resource manager in JobManager is not None and the reconnection is to same resource manager, JobManager will go to a infinite message sending loop which will always sending himself a "ReconnectResourceManager" every 2 seconds.

We have already observed that phonomenon. More details, check how JobManager handles `ReconnectResourceManager`.

Issue Links

• links to: GitHub Pull Request #3745