问题描述：在对订单进行上传的时候，其实就是一个excel文件，发现controller对业务层代码调用老是出问题，排查原因时发现原来时被同事的AOP给拦截了，用JackSon对流进行打印导致的异常。

 

Caused by: com.fasterxml.jackson.databind.JsonMappingException: Failed to load class 'sun.nio.ch.FileChannelImpl$Access4JacksonSerializer0370ba83': com.fasterxml.jackson.module.afterburner.ser.BeanPropertyAccessor (through reference chain: java.io.FileInputStream["channel"])

at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:291)

at com.fasterxml.jackson.databind.SerializerProvider.mappingException(SerializerProvider.java:1124)

at com.fasterxml.jackson.databind.SerializerProvider.reportMappingProblem(SerializerProvider.java:1146)

at com.fasterxml.jackson.databind.SerializerProvider._createAndCacheUntypedSerializer(SerializerProvider.java:1263)

at com.fasterxml.jackson.databind.SerializerProvider.findPrimaryPropertySerializer(SerializerProvider.java:653)

at com.fasterxml.jackson.databind.ser.impl.PropertySerializerMap.findAndAddPrimarySerializer(PropertySerializerMap.java:64)

at com.fasterxml.jackson.databind.ser.BeanPropertyWriter._findAndAddDynamic(BeanPropertyWriter.java:874)

at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:682)

at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:690)

at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)

at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:292)

at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3681)

at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3057)

at com.wormpex.common.json.JsonMapper.writeValueAsString(JsonMapper.java:1029)

... 24 more

Caused by: java.lang.IllegalArgumentException: Failed to load class 'sun.nio.ch.FileChannelImpl$Access4JacksonSerializer0370ba83': com.fasterxml.jackson.module.afterburner.ser.BeanPropertyAccessor

at com.fasterxml.jackson.module.afterburner.util.MyClassLoader.loadAndResolve(MyClassLoader.java:100)

at com.fasterxml.jackson.module.afterburner.ser.PropertyAccessorCollector.generateAccessorClass(PropertyAccessorCollector.java:171)

at com.fasterxml.jackson.module.afterburner.ser.PropertyAccessorCollector.findAccessor(PropertyAccessorCollector.java:97)

at com.fasterxml.jackson.module.afterburner.ser.SerializerModifier.changeProperties(SerializerModifier.java:63)

at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.constructBeanSerializer(BeanSerializerFactory.java:412)

at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.findBeanSerializer(BeanSerializerFactory.java:282)

at com.fasterxml.jackson.databind.ser.BeanSerializerFactory._createSerializer2(BeanSerializerFactory.java:234)

at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.createSerializer(BeanSerializerFactory.java:168)

at com.fasterxml.jackson.databind.SerializerProvider._createUntypedSerializer(SerializerProvider.java:1308)

at com.fasterxml.jackson.databind.SerializerProvider._createAndCacheUntypedSerializer(SerializerProvider.java:1258)

... 34 more

Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.module.afterburner.ser.BeanPropertyAccessor

at java.lang.ClassLoader.findClass(ClassLoader.java:530)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:763)

at java.lang.ClassLoader.defineClass(ClassLoader.java:642)

at com.fasterxml.jackson.module.afterburner.util.MyClassLoader.loadAndResolve(MyClassLoader.java:94)

... 43 more

 

解决方法：

  这段诡异的异常信息浪费了我一下午的时间，还是跟踪调用栈靠谱，以下是跟踪栈发现的信息：

[org.springframework.aop.interceptor.ExposeInvocationInterceptor.ADVISOR, InstantiationModelAwarePointcutAdvisor: expression [execution(* com..xxx.xxx.xxx.xxx.biz..impl.*.*(..))]; advice method