jetty-gcloud/jetty-gcloud-session-manager/src/main/config/etc/gcloud-session-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure_9_3.dtd">

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

  <!-- Get a reference to the GCloudSessionIdManager -->
  <Ref id="Server">
    <Call id="idMgr" name="getSessionIdManager"/>
  </Ref>

  <!-- Use the GCloudSessionIdManager to set up the GCloudSessionManager -->
  <Set name="sessionHandler">
    <New class="org.eclipse.jetty.server.session.SessionHandler">
      <Arg>
        <New id="mgr" class="org.eclipse.jetty.gcloud.session.GCloudSessionManager">
          <Set name="sessionIdManager">
            <Ref id="idMgr"/>
          </Set>
          <Set name="scavengeIntervalSec">600</Set>
        </New>
      </Arg>
    </New>
  </Set>

</Configure>