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Table of Contents

Introduction

The JAX-RS 2.1 introduced the support of server-sent events (SSE).

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Code Block
xml
xml
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:cxf="http://cxf.apache.org/blueprint/core"
       xmlns:jaxrs="http://cxf.apache.org/blueprint/jaxrs"

       xsi:schemaLocation="http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
                           http://cxf.apache.org/blueprint/core http://cxf.apache.org/schemas/blueprint/core.xsd
                           http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/blueprint/jaxrs.xsd">

    <bean id="sseFeature" class="org.apache.cxf.jaxrs.sse.SseFeature" />

    <cxf:bus>
        <cxf:features>
            <cxf:logging />
        </cxf:features>
    </cxf:bus>

    <jaxrs:server id="sseSampleService" address="/">
        <jaxrs:serviceBeans>
            <ref component-id="..." />
        </jaxrs:serviceBeans>
        <jaxrs:providers>
            <ref component-id="..." />
        </jaxrs:providers>
        <jaxrs:features>
            <ref component-id="sseFeature" />
        </jaxrs:features>
 </jaxrs:server>
</blueprint>

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Before 3.2.5 release

Although SSE in general works on top of HTTP transport, the SSE implementation in CXF uses the dedicated one, based on Atmosphere framework. This transport only required on the server-side (client side works over normal HTTP) and is fully compatible with HTTP transport.

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