spring-boot-features-custom-failure-analyzer

自定义FailureAnalyzer

Step1:自定义异常

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public class BusinessException extends RuntimeException {
    public BusinessException(String msg){
        super(msg);
    }
}

Step2:自定义FailureAnalyzer

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public class BusinessFailureAnalyzer extends AbstractFailureAnalyzer<BusinessException> {
    BusinessFailureAnalyzer(){
    }
    @Override
    protected FailureAnalysis analyze(Throwable throwable, BusinessException e) {
        return new FailureAnalysis("business description","business action",e);
    }
}

Step3:配置FailureAnalyzer

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org.springframework.boot.diagnostics.FailureAnalyzer=\
org.felix.spring.boot.analyzer.BusinessFailureAnalyzer

Step4:定义一个Service被Spring初始化抛出该异常

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@Component
public class EchoService implements InitializingBean{
    @Override
    public void afterPropertiesSet() throws Exception {
        throw new BusinessException("business exception");
    }
}

Step5:构建一个Spring Application

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@Configuration
@EnableAutoConfiguration
@ComponentScan
public class ApplicationWithBusinessException {
    public static void main(String[] args) {
   SpringApplication.run(ApplicationWithBusinessException.class,args);
    }
}

Step6:运行Spring Application

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***************************
APPLICATION FAILED TO START
***************************
Description:
business description
Action:
business action