spring-cloud / spring-cloud/spring-cloud-gateway
Get hystrix execution result in fallback
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- Java
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Description
When configuring a fallback in the hystrix filter (like forward:/path/to/fallback) is there a way to get the execution result? More specifically get the execution exception?
The call goes through org.springframework.cloud.gateway.filter.factory.HystrixGatewayFilterFactory.RouteHystrixCommand#resumeWithFallback. During debugging the execution result is available, so certain data could be added as attributes on the exchange for example.
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Research direction
Start at org.springframework.cloud.gateway.filter.factory.HystrixGatewayFilterFactory.RouteHystrixCommand#resumeWithFallback and trace how the execution result is available during fallback handling. Determine whether the execution exception can be exposed through exchange attributes for a configured fallback, and verify that the fallback can access the requested data.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, spring
- Domain
- api, backend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100