"java.lang.ClassNotFoundException: org.eclipse.jetty.plus.jaas.JAASRole" in camel-jetty when configuring for external JAAS authentication

Issue

Running a camel-jetty component inside JBoss Fuse 6.1 and trying to follow the documentation at [1] to configure camel-jetty to use JAAS based authentication against the 'karaf' authentication realm of JBoss Fuse results in

java.lang.ClassNotFoundException: org.eclipse.jetty.plus.jaas.JAASRole

Full error below [2].

[1] https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Fuse/6.1/html/Security_Guide/files/CamelJetty.html

[2] 
15:38:35,797 | WARN  | qtp734523728-127 | AbstractHttpConnection           | 92 - org.eclipse.jetty.aggregate.jetty-all-server - 8.1.14.v20131031 | /jettyexample
java.lang.RuntimeException: java.lang.ClassNotFoundException: org.eclipse.jetty.plus.jaas.JAASRole
    at org.eclipse.jetty.plus.jaas.JAASLoginService.getGroups(JAASLoginService.java:332)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.plus.jaas.JAASLoginService.login(JAASLoginService.java:244)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.security.authentication.LoginAuthenticator.login(LoginAuthenticator.java:47)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.security.authentication.BasicAuthenticator.validateRequest(BasicAuthenticator.java:90)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:492)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.Server.handle(Server.java:370)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    at java.lang.Thread.run(Thread.java:744)[:1.7.0_45]
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.plus.jaas.JAASRole
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)[:1.7.0_45]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)[:1.7.0_45]
    at java.security.AccessController.doPrivileged(Native Method)[:1.7.0_45]
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)[:1.7.0_45]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)[:1.7.0_45]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)[:1.7.0_45]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)[:1.7.0_45]
    at org.eclipse.jetty.plus.jaas.JAASLoginService.getGroups(JAASLoginService.java:320)[92:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
    ... 17 more