[REEF-1364] C# Evaluator should attempt to send a failure message back to the Driver on an unhandled Exception

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15
• Component/s: REEF.NET, REEF.NET Evaluator
• Labels: FT
• Assignee: Andrew Chung
• Reporter: Andrew Chung
• Created: 26/Apr/16 22:09
• Updated: 09/Jun/16 19:40
• Resolved: 04/May/16 17:34

Description

Currently, an Unhandled Exception at TaskRuntime simply fails the Evaluator. We should fix it such that the Evaluator attempts to send a message back to the Driver before giving up.

Issue Links

• blocks: REEF-1207 REEF.NET Evaluator should print a known log line on exit
• is blocked by: REEF-1377 Move from C# Tasks to Threads to run user's Task
• is related to: REEF-1223 IMRU Fault Tolerance - restart failed evaluators
• relates to: REEF-1208 Validate that the REEF.NET Evaluator logs and reports exceptions correctly
• relates to: REEF-1286 Forward .NET Exceptions from the Evaluator to the Driver
• supercedes: REEF-287 .NET Evaluator doesn't inform the Driver when it crashes early
• links to: Link to PR