Why do I get UserTransaction not bound?

The spec says I should lookup

java:comp/UserTransaction

, but this does not work!

• You have a bad initial context

• You didn't mark your bean as BMT (bean managed transactions)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC
   "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN"
   "http://java.sun.com/dtd/ejb-jar_2_0.dtd">

<ejb-jar>
   <description>jBoss CTS application</description>
   <display-name>jBoss CTS</display-name>
   <enterprise-beans>
      <session>
         <description>JUnit Session Bean Test Runner</description>
         <ejb-name>EJBTestRunnerEJB</ejb-name>
         <home>org.jboss.test.util.ejb.EJBTestRunnerHome</home>
         <remote>org.jboss.test.util.ejb.EJBTestRunner</remote>
         <ejb-class>org.jboss.test.util.ejb.EJBTestRunnerBean</ejb-class>
         <session-type>Stateless</session-type>
         <transaction-type>Bean</transaction-type> <!-- !!! HERE !!! -->
      </session>

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