<dependency>
<groupId>org.atmosphere</groupId>
<artifactId>atmosphere-runtime</artifactId>
<version>2.4.30</version>
</dependency>
@Suspend
@Produces(MediaType.APPLICATION_JSON)
public String suspend() {
}
<servlet>
<servlet-name>AtmosphereServlet</servlet-name>
<servlet-class>org.atmosphere.cpr.AtmosphereServlet</servlet-class>
<init-param>
<param-name>org.atmosphere.cpr.broadcasterShareableThreadPool</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>AtmosphereServlet</servlet-name>
<url-pattern>/chat/*</url-pattern>
</servlet-mapping>
