JAVAEE错误--使用maven+ssm整合分布式框架dubbo出现错误

java.lang.NullPointerExceptionat org.springframework.core.SerializableTypeWrapper$TypeProxyInvocationHandler.invoke(SerializableTypeWrapper.java:239)at org.springframework.core.$Proxy15.hashCode(Unknown Source)at org.springframework.util.ObjectUtils.nullSafeHashCode(ObjectUtils.java:273)at org.springframework.core.ResolvableType.hashCode(ResolvableType.java:811)at org.springframework.util.ConcurrentReferenceHashMap.getHash(ConcurrentReferenceHashMap.java:214)at org.springframework.util.ConcurrentReferenceHashMap.getReference(ConcurrentReferenceHashMap.java:246)at org.springframework.util.ConcurrentReferenceHashMap.get(ConcurrentReferenceHashMap.java:226)at org.springframework.core.ResolvableType.forType(ResolvableType.java:1206)at org.springframework.core.ResolvableType.forType(ResolvableType.java:1176)at org.springframework.core.ResolvableType.forTypes(ResolvableType.java:856)at org.springframework.core.ResolvableType.getInterfaces(ResolvableType.java:403)at org.springframework.core.ResolvableType.as(ResolvableType.java:365)

解决办法：

  com.alibaba
  dubbo
  2.5.3
  
    
      spring
      org.springframework