Caused by:org.springframework.beans.factory.BeanCreationException:Error creating bean with name 'testB' defined in class path resource [spring-circle.xml]:Cannot resolve reference to bean 'testC' while setting constructor argument;nested exception is org.springframework.beans.factory.BeanCreationException:Error creating bean with name 'testC' defined in class path resource [spring-circle.xml]:Cannot resolve reference to bean 'testA' while setting constructor argument;nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException:Error creating bean with name 'testA': Requested bean is currently in creation: Is there an unresolvable circular reference?
终于能真正开始接触到这一步了