static content apparently not working in Karaf 4.0.4 via jetty config

[Benson Margulies]

<Get name="handler">
      <Call name="addHandler">
        <Arg>
          <New class="org.eclipse.jetty.server.handler.ContextHandler">
            <Set name="contextPath">/doc</Set>
            <Set name="handler">
              <New class="org.eclipse.jetty.server.handler.ResourceHandler">
                <Set name="resourceBase">../../doc</Set>
                <Set name="directoriesListed">true</Set>
              </New>
            </Set>
          </New>
        </Arg>
      </Call>
    </Get>

jvm 1    | 2016-03-16 08:08:39,183 | WARN  | tp1085327538-940 | Response
                      | 217 - org.eclipse.jetty.util - 9.2.14.v20151106 |
Committed before 404 null
jvm 1    | 2016-03-16 08:08:39,184 | WARN  | tp1085327538-940 |
ServletHandler                   | 217 - org.eclipse.jetty.util -
9.2.14.v20151106 | /doc/index.html
jvm 1    | java.lang.IllegalStateException: Committed
jvm 1    | at
org.eclipse.jetty.server.Response.resetBuffer(Response.java:1243)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.Response.sendError(Response.java:567)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.Response.sendError(Response.java:544)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.servlet.ServletHandler$Default404Servlet.doGet(ServletHandler.java:1805)[215:org.eclipse.jetty.servlet:9.2.14.v20151106]
jvm 1    | at
javax.servlet.http.HttpServlet.service(HttpServlet.java:687)[93:javax.servlet-api:3.1.0]
jvm 1    | at
javax.servlet.http.HttpServlet.service(HttpServlet.java:790)[93:javax.servlet-api:3.1.0]
jvm 1    | at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)[215:org.eclipse.jetty.servlet:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)[215:org.eclipse.jetty.servlet:9.2.14.v20151106]
jvm 1    | at
org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:70)[234:org.ops4j.pax.web.pax-web-jetty:4.2.4]
jvm 1    | at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)[213:org.eclipse.jetty.security:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:271)[234:org.ops4j.pax.web.pax-web-jetty:4.2.4]
jvm 1    | at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)[215:org.eclipse.jetty.servlet:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:99)[234:org.ops4j.pax.web.pax-web-jetty:4.2.4]
jvm 1    | at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.Server.handle(Server.java:499)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)[214:org.eclipse.jetty.server:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)[206:org.eclipse.jetty.io:9
.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)[217:org.eclipse.jetty.util:9.2.14.v20151106]
jvm 1    | at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)[217:org.eclipse.jetty.util:9.2.14.v20151106]
jvm 1    | at java.lang.Thread.run(Thread.java:745)[:1.8.0_60]
jvm 1    | 2016-03