# Hierarchy For Package org.springframework.messaging.simp.annotation.support

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.springframework.messaging.handler.invocation.AbstractMethodMessageHandler<T> (implements org.springframework.context.ApplicationContextAware, org.springframework.beans.factory.InitializingBean, org.springframework.messaging.MessageHandler)
    - org.springframework.messaging.simp.annotation.support.SimpAnnotationMethodMessageHandler (implements org.springframework.context.EmbeddedValueResolverAware, org.springframework.context.SmartLifecycle)
  - org.springframework.messaging.simp.annotation.support.PrincipalMethodArgumentResolver (implements org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver)
  - org.springframework.messaging.simp.annotation.support.SendToMethodReturnValueHandler (implements org.springframework.messaging.handler.invocation.HandlerMethodReturnValueHandler)
  - org.springframework.messaging.simp.annotation.support.SubscriptionMethodReturnValueHandler (implements org.springframework.messaging.handler.invocation.HandlerMethodReturnValueHandler)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.springframework.core.NestedRuntimeException
          - org.springframework.messaging.MessagingException
            - org.springframework.messaging.simp.annotation.support.MissingSessionUserException