@RefreshScope with @ConditionalOnProperty does not work

Question

Problem

Exploring an option of enabling/disabling a @RequestMapping endpoint on demand without restarting JVM. Implement a kill switch on a endpoint at runtime.

Attempt

I've tried the following but @RefreshScope does not seem to work with @ConditionOnProperty

@RestController @RefreshScope @ConditionalOnProperty(name = "stackoverflow.endpoints", havingValue = "enabled") public class MyController { @Value("${stackoverflow.endpoints}") String value; @RequestMapping(path = "/sample", method = RequestMethod.GET) public ResponseEntity<String> process() { return ResponseEntity.ok(value); } }

Updated property using

POST /env?stackoverflow.endpoints=anyvalue

And reloaded context using

POST /refresh

At this point the controller returns the updated value.

Question

Are there any other ways to achieve the desired functionality?

Basically what you want to do is not possible. The link below explains why. github.com/spring-cloud/spring-cloud-config/issues/1645 — cwa
– cwa, Commented Mar 22, 2021 at 5:37

Grinish Nepal · Accepted Answer · 2019-10-16 14:50:50Z

Conditions in Boot are only applied at the Configuration class level or at the bean definition level.

This might help you.

public class MyWebConfiguration extends WebMvcConfigurationSupport { @Bean @ConditionalOnProperty(prefix="stackoverflow.endpoints",name = "enabled") public MyController myController() { return new MyController (); } }

Ilia Komarov · Accepted Answer · 2022-03-17 04:17:47Z

1

As Spenser Gibb said here, this behavior is not supported.

answered Mar 17, 2022 at 4:17

Ilia Komarov

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