tests/test-webapps/test-jndi-webapp/src/main/webapp/WEB-INF/jetty-env.xml

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://www.eclipse.org/jetty/configure_9_0.dtd">

<Configure id='wac' class="org.eclipse.jetty.webapp.WebAppContext">

  <!-- Add an EnvEntry only valid for this webapp               -->
  <New id="gargle"  class="org.eclipse.jetty.plus.jndi.EnvEntry">
    <Arg><Ref refid='wac'/></Arg>
    <Arg>gargle</Arg>
    <Arg type="java.lang.Double">100</Arg>
    <Arg type="boolean">true</Arg>
  </New>

 <!-- Add an override for a global EnvEntry                           -->
  <New id="wiggle"  class="org.eclipse.jetty.plus.jndi.EnvEntry">
    <Arg><Ref refid='wac'/></Arg>
    <Arg>wiggle</Arg>
    <Arg type="java.lang.Double">55.0</Arg>
    <Arg type="boolean">true</Arg>
  </New>

<!-- Add a mapping from name in web.xml to the environment -->
  <New id="map1" class="org.eclipse.jetty.plus.jndi.Link">
    <Arg><Ref refid='wac'/></Arg>
    <Arg>jdbc/mydatasource1</Arg> <!-- name in web.xml -->
    <Arg>jdbc/mydatasource</Arg>  <!-- name in environment -->
  </New>





</Configure>