}
try {
// The following call might create a new conversation, as a result, the msg.getConversationID() might
// return a new value
InstanceWrapper wrapper = scopeContainer.getWrapper(contextId);
// detects whether the scope container has created a conversation Id. This will
// happen in the case that the component has conversational scope but only the
// callback interface is conversational. Or in the callback case if the service interface
// is conversational and the callback interface isn't. If we are in this situation we need
// to get the contextId of this component and remove it after we have invoked the method on
// it. It is possible that the component instance will not go away when it is removed below
// because a callback conversation will still be holding a reference to it
boolean removeTemporaryConversationalComponentAfterCall = false;
if (parameters != null && (contextId == null) && (parameters.getConversationID() != null)) {
contextId = parameters.getConversationID();
removeTemporaryConversationalComponentAfterCall = true;
}
Object instance = wrapper.getInstance();
// If the method couldn't be computed statically, or the instance being
// invoked is a user-specified callback object that doesn't implement
// the service interface from which the reflective method was obtained,
// compute the method object dynamically for this invocation.