Why do we use <cxf:rsServer> as opposed to a plain <jaxrs:server> when using the CXF-RS component?

As a follow-up to this question, I'm still a bit confused about how to properly use the CXF-RS component.

I'm confused why we need the <cxf:rsServer> tag for specifying CXF-RS endpoints (or is there even such a concept?), when I can use the <jaxrs:server> tag perfectly fine.

Here's my configuration XML for both Camel and CXF:

<beans xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd      
        http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd
        http://cxf.apache.org/transports/http/configuration http://cxf.apache.org/schemas/configuration/http-conf.xsd
        http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd
        http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">

    <jaxrs:server id="userService" address="/users">
            <bean class="com.example.UserServiceNoop" />
            <bean class="org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider" />

    <bean id="user" class="org.apache.camel.component.direct.DirectComponent" />

    <camel:camelContext id="someCamelContext">
        <camel:route id="userServiceRoute">
            <camel:from uri="cxfrs:bean:userService" />

        <camel:route id="userServiceRetrieveUser">
            <from uri="user:retrieveUser" />
            <!-- Assume this is going to a useful Processor -->



package com.example;

/* a bunch of imports... */

public interface UserService {
    public User retrieveUser(
        @PathParam("user.id") Integer id


package com.example;

/* a bunch of imports ... */

public class UserServiceNoop implements UserService 
    public User retrieveUser(Integer id) {
        throw new RuntimeException();

In this example, I'm not using any <cxf:rsServer> tag, yet it works fine. I know it goes through the CXF-RS component, because when I run the application, it doesn't throw any RuntimeExceptions, which is the expected behavior when using CXF-RS (the method implementation in the service class will not be called).

Am I missing something by not using this tag?

Thank you!


You use cxf:reserver tag when you want to use CXF endpoint as the consumer of something. Say for example in a complex Apache Camel route or in Spring integration. is used when you are the provider of the endpoint serving requests.

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