Weld + Resteasy configuration example

context.xml

<Context>
    <Resource name="BeanManager"
              auth="Container"
              type="javax.enterprise.inject.spi.BeanManager"
              factory="org.jboss.weld.resources.ManagerObjectFactory"/>
</Context>

pom.xml

...
<dependencies>
          <dependency>
            <groupId>org.jboss.resteasy</groupId>
            <artifactId>resteasy-cdi</artifactId>
            <version>3.0.6.Final</version>
        </dependency>
        <dependency>
            <groupId>org.jboss.weld.servlet</groupId>
            <artifactId>weld-servlet</artifactId>
            <version>2.1.0.Final</version>
        </dependency>
</dependencies>
...

war.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">

    <listener>
        <listener-class>org.jboss.weld.environment.servlet.Listener</listener-class>
    </listener>

    <servlet>
        <servlet-name>Resteasy</servlet-name>
        <servlet-class>
            org.jboss.resteasy.plugins.server.servlet.HttpServlet30Dispatcher
        </servlet-class>
        <async-supported>true</async-supported>
        <init-param>
            <param-name>javax.ws.rs.Application</param-name>
            <param-value>put your application class's fqn here</param-value>
        </init-param>
    </servlet>

    <servlet-mapping>
        <servlet-name>Resteasy</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>

    <resource-env-ref>
        <resource-env-ref-name>BeanManager</resource-env-ref-name>
        <resource-env-ref-type>
            javax.enterprise.inject.spi.BeanManager
        </resource-env-ref-type>
    </resource-env-ref>
</web-app>