NoClassDefFoundError: FastMethodInterceptorDelegatorBoot when starting AMQ with appdynamics javaagent enabled

Issue

When we enable appdynamics javaagent and start AMQ, we get a ClassNotFound for class FastMethodInterceptorDelegatorBoot despite this being present in the javaagent jar.

Full error stack trace:

java.lang.NoClassDefFoundError: com/singularity/ee/agent/appagent/entrypoint/bciengine/FastMethodInterceptorDelegatorBoot
        at org.eclipse.jetty.server.Server.handle(Server.java)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)[95:org.eclipse.jetty.aggregate.jetty-all-server:8.1.17.v20150415]
        at java.lang.Thread.run(Thread.java:745)[:1.7.0_65]
Caused by: java.lang.ClassNotFoundException: com.singularity.ee.agent.appagent.entrypoint.bciengine.FastMethodInterceptorDelegatorBoot not found by org.eclipse.jetty.aggregate.jetty-all-server [95]
        at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1556)[org.apache.felix.framework-4.4.1.jar:]
        at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:77)[org.apache.felix.framework-4.4.1.jar:]
        at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1993)[org.apache.felix.framework-4.4.1.jar:]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)[:1.7.0_65]
        ... 12 more