fookaiming edited a comment on issue #423:
URL:
https://github.com/apache/rocketmq-spring/issues/423#issuecomment-1008890638
The ConsumerA object cannot get its super class correctly, it should also
loop through its interface
```
private Type getMessageType() {
Class<?> targetClass;
if (rocketMQListener != null) {
targetClass =
AopProxyUtils.ultimateTargetClass(rocketMQListener);
} else {
targetClass =
AopProxyUtils.ultimateTargetClass(rocketMQReplyListener);
}
Type matchedGenericInterface = null;
while (Objects.nonNull(targetClass)) {
Type[] interfaces = targetClass.getGenericInterfaces();
if (Objects.nonNull(interfaces)) {
for (Type type : interfaces) {
if (type instanceof ParameterizedType &&
(Objects.equals(((ParameterizedType)
type).getRawType(), RocketMQListener.class) ||
Objects.equals(((ParameterizedType) type).getRawType(),
RocketMQReplyListener.class))) {
matchedGenericInterface = type;
break;
}
}
}
targetClass = targetClass.getSuperclass();
}
if (Objects.isNull(matchedGenericInterface)) {
return Object.class;
}
Type[] actualTypeArguments = ((ParameterizedType)
matchedGenericInterface).getActualTypeArguments();
if (Objects.nonNull(actualTypeArguments) &&
actualTypeArguments.length > 0) {
return actualTypeArguments[0];
}
return Object.class;
}
```
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