symfony/src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml

<?xml version="1.0" ?>

<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">

    <parameters>
        <parameter key="router_listener.class">Symfony\Bundle\FrameworkBundle\Listener\RouterListener</parameter>
        <parameter key="session_listener.class">Symfony\Bundle\FrameworkBundle\Listener\SessionListener</parameter>
        <parameter key="controller_resolver.class">Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver</parameter>
        <parameter key="controller_name_converter.class">Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser</parameter>
        <parameter key="response_listener.class">Symfony\Component\HttpKernel\ResponseListener</parameter>
        <parameter key="exception_listener.class">Symfony\Component\HttpKernel\Debug\ExceptionListener</parameter>
    </parameters>

    <services>
        <service id="controller_name_converter" class="%controller_name_converter.class%" public="false">
            <tag name="monolog.logger" channel="request" />
            <argument type="service" id="kernel" />
            <argument type="service" id="logger" on-invalid="ignore" />
        </service>

        <service id="controller_resolver" class="%controller_resolver.class%" public="false">
            <tag name="monolog.logger" channel="request" />
            <argument type="service" id="service_container" />
            <argument type="service" id="controller_name_converter" />
            <argument type="service" id="logger" on-invalid="ignore" />
        </service>

        <service id="router_listener" class="%router_listener.class%">
            <tag name="kernel.listener" event="onCoreRequest" />
            <tag name="monolog.logger" channel="request" />
            <argument type="service" id="router" />
            <argument>%request_listener.http_port%</argument>
            <argument>%request_listener.https_port%</argument>
            <argument type="service" id="logger" on-invalid="ignore" />
        </service>

        <service id="session_listener" class="%session_listener.class%">
            <tag name="kernel.listener" event="onCoreRequest" priority="128" />
            <argument type="service" id="service_container" />
        </service>

        <service id="response_listener" class="%response_listener.class%">
            <tag name="kernel.listener" event="onCoreResponse" />
            <argument>%kernel.charset%</argument>
        </service>

        <service id="exception_listener" class="%exception_listener.class%">
            <tag name="kernel.listener" event="onCoreException" priority="-128" />
            <tag name="monolog.logger" channel="request" />
            <argument>%exception_listener.controller%</argument>
            <argument type="service" id="logger" on-invalid="null" />
        </service>
    </services>
</container>