jetty-deploy/src/main/config/etc/jetty-deploy.xml

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

<!-- =============================================================== -->
<!-- Create the deployment manager                                   -->
<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
<!-- The deplyment manager handles the lifecycle of deploying web    -->
<!-- applications. Apps are provided by instances of the             -->
<!-- AppProvider interface.                                          -->
<!-- =============================================================== -->
<Configure id="Server" class="org.eclipse.jetty.server.Server">

  <Call name="addBean">
    <Arg>
      <New id="DeploymentManager" class="org.eclipse.jetty.deploy.DeploymentManager">
        <Set name="contexts">
          <Ref refid="Contexts" />
        </Set>
        <Call name="setContextAttribute">
          <Arg>org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern</Arg>
          <Arg>.*/[^/]*servlet-api-[^/]*\.jar$|.*/javax.servlet.jsp.jstl-.*\.jar$|.*/org.apache.taglibs.taglibs-standard-impl-.*\.jar$</Arg>
        </Call>

        <!-- Add a customize step to the deployment lifecycle -->
        <!-- uncomment and replace DebugBinding with your extended AppLifeCycle.Binding class
        <Call name="insertLifeCycleNode">
          <Arg>deployed</Arg>
          <Arg>starting</Arg>
          <Arg>customise</Arg>
        </Call>
        <Call name="addLifeCycleBinding">
          <Arg>
            <New class="org.eclipse.jetty.deploy.bindings.DebugBinding">
              <Arg>customise</Arg>
            </New>
          </Arg>
        </Call> -->

        <Call id="webappprovider" name="addAppProvider">
          <Arg>
            <New class="org.eclipse.jetty.deploy.providers.WebAppProvider">
              <Set name="monitoredDirName"><Property name="jetty.base" default="." />/<Property name="jetty.deploy.monitoredDirName" default="webapps"/></Set>
              <Set name="defaultsDescriptor"><Property name="jetty.home" default="." />/etc/webdefault.xml</Set>
              <Set name="scanInterval"><Property name="jetty.deploy.scanInterval" default="1"/></Set>
              <Set name="extractWars"><Property name="jetty.deploy.extractWars" default="true"/></Set>
              <Set name="configurationManager">
                <New class="org.eclipse.jetty.deploy.PropertiesConfigurationManager">
                  <!-- file of context configuration properties
                  <Set name="file"><SystemProperty name="jetty.base"/>/etc/some.properties</Set>
                  -->
                  <!-- set a context configuration property
                  <Call name="put"><Arg>name</Arg><Arg>value</Arg></Call>
                  -->
                </New>
              </Set>
            </New>
          </Arg>
        </Call>
      </New>
    </Arg>
  </Call>
</Configure>