[SPARK-12614] Don't throw non fatal exception from RpcEndpointRef.send/ask

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 2.0.0
• Component/s: Spark Core
• Assignee: Shixiong Zhu
• Reporter: Shixiong Zhu
• Created: 04/Jan/16 04:42
• Updated: 27/Jan/16 01:25
• Resolved: 27/Jan/16 01:25

Description

Right now RpcEndpointRef.send/ask may throw exception in some corner cases, such as calling send/ask after stopping RpcEnv. It's better to avoid throwing exception from RpcEndpointRef.send/ask. We can log a warning for `send`, and send the exception to the future for `ask`.

Issue Links

• links to: [Github] Pull Request #10568 (zsxwing)