Question

使用Spring AOP，我试图在Web应用程序中记录名为corelation的对象，如下所示：-

LoggingCorrelationEnrichingAspect.java：-

@Aspect
@Component
public class LoggingCorrelationEnrichingAspect {
    private static final Logger logger = getLogger(LoggingCorrelationEnrichingAspect.class);

    @Around("@annotation(Correlated)")
    public Object wrapWithCorrelationContext(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
            logger.info("Entering  "+ proceedingJoinPoint.getSignature().getName() +" with Correlation Id:: "
                    + ((Map)proceedingJoinPoint.getArgs()[0]).get(CommerceConnectorConstants.HttpHeaders.CORRELATION_ID).get());
        return ((Mono<?>) proceedingJoinPoint.proceed());
    }
}

Correlated.java：-

@Inherited
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface Correlated {}

在我的主要REST Controller操作中，使用@Correlated批注，我试图像下面那样记录这种corellation：-

  @Correlated
  @GetMapping(path = "/products}", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
  public Mono<ProductBeanResponse> getProducts(
      @RequestHeader(name = Test.HttpHeaders.TENANT_ID, required = true) UUID tId,
      @RequestHeader(name = Test.HttpHeaders.CORRELATION_ID, required = true) UUID correlationId
----
---
}

但是，当我使用PostMan工具测试服务并查看应用程序日志时，永远不会记录corelation id：-

logger.info("Entering  "+ proceedingJoinPoint.getSignature().getName() +" with Correlation Id:: "
                    + ((Map)proceedingJoinPoint.getArgs()[0]).get(CommerceConnectorConstants.HttpHeaders.CORRELATION_ID).get());

请告知这是Spring AOP中的配置问题。

谢谢

Answer 1

这可以通过以下两种方式之一进行

在切入点定义中提供Correlated的完全限定名称为@Around("@annotation(com.x.y.z.Correlated)")

更新Aspect方法签名以将Correlated作为第二个参数

@Around("@annotation(correlated)")
public Object wrapWithCorrelationContext(ProceedingJoinPoint proceedingJoinPoint, Correlated correlated ) throws Throwable {
    logger.info("Entering  "+ proceedingJoinPoint.getSignature().getName() +" with Correlation Id:: "
            + ((Map)proceedingJoinPoint.getArgs()[0]).get(CommerceConnectorConstants.HttpHeaders.CORRELATION_ID).get());
return ((Mono<?>) proceedingJoinPoint.proceed());
}

在注释中告知是否需要其他内容。

P.S。：另外，正如M. Deinum所指出的，请确保删除对象投射。

使用Spring AOP在Web应用程序中无法记录日志

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