今天遇到了一个Spring出现的一个未知错误，分享下

异常内容： 未知错误[COM999]

使用环境：dubbo+SpringMVC+myBatis

解决方案：检查Spring配置文件，发现配置文件在注入Service的时候写错了

com.wu.wsf.common.execption.BusinessException: [COM999]未知错误
at com.wu.wsf.common.aspect.ServiceAspect.doAfterThrowing(ServiceAspect.java:80) ~[wsf-common-1.0-SNAPSHOT.jar:1.0-SNAPSHOT]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_79]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_79]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_79]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_79]
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:603) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.aspectj.AspectJAfterThrowingAdvice.invoke(AspectJAfterThrowingAdvice.java:59) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:51) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80) ~[spring-aop-3.2.8.RELEASE.jar:3.2.8.RELEASE]
at com.wu.wsf.common.aspect.LogAspect.doAround(LogAspect.java:53) ~[wsf-common-1.0-SNAPSHOT.jar:1.0-SNAPSHOT]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_79]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_79]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_79]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_79]