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1. ipanocloud

   changed the title [-]feign capabilities not support mulit Logger[/-] [+]feign capabilities not support multiple feign.Logger Logger[/+] on Feb 27, 2025
2. hosuaby commented on Mar 25, 2025

   

   hosuaby

   on Mar 25, 2025

   Contributor

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   @ipanocloud This probably Spring Feign problem.

   I wrote the following test and enrichment works as expected:

     @Test
     void multipleCapabilitiesEnrichment() {
       Feign.Builder builder =
           Feign.builder()
               .logger(new Logger.JavaLogger(BaseBuilderTest.class))
               .addCapability(new ACapability())
               .addCapability(new BCapability())
               .enrich();
   
       assertThat(builder.logger).isInstanceOf(BLogger.class);
       assertThat(((BLogger) builder.logger).delegate).isInstanceOf(ALogger.class);
       assertThat(((ALogger) ((BLogger) builder.logger).delegate).delegate)
           .isInstanceOf(Logger.JavaLogger.class);
     }
   
     public class ACapability implements Capability {
       @Override
       public Logger enrich(Logger logger) {
         return new ALogger(logger);
       }
     }
   
     public class BCapability implements Capability {
       @Override
       public Logger enrich(Logger logger) {
         return new BLogger(logger);
       }
     }
   
     public class ALogger extends feign.Logger {
       Logger delegate;
   
       ALogger(Logger logger) {
         this.delegate = logger;
       }
   
       @Override
       protected void log(final String configKey, final String format, final Object... args) {
         // DO NOTHING
       }
     }
   
     public class BLogger extends feign.Logger {
       Logger delegate;
   
       BLogger(Logger logger) {
         this.delegate = logger;
       }
   
       @Override
       protected void log(final String configKey, final String format, final Object... args) {
         // DO NOTHING
       }
     }
3. velo

   added

   questionGeneral usage or 'how-to' questionsGeneral usage or 'how-to' questions

   on Jun 4, 2026
4. velo commented on Jun 4, 2026

   

   velo

   on Jun 4, 2026

   Member

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   Thanks for the report. This project is community-maintained, and the maintainer will not implement fixes or features directly. If you want this to move forward, please open a pull request with automated tests that cover the change.