need help with Shibboleth IDP 3.2 installation

[Laurence Siew]

Hello. We are in the process of upgrading shibboleth to 3.2. I received this error in the catalina.out when we restart tomcat.  The log in page comes up but fails with this error. Any assistance would be great. Thanks

SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class websocket.drawboard.DrawboardContextListener
java.lang.ClassNotFoundException: websocket.drawboard.DrawboardContextListener
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333)
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)
        at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:520)
        at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:501)
        at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:120)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4660)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5181)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1101)
        at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1816)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

01-Dec-2015 10:29:02.101 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.listenerStart Skipped installing application listeners due to previous error(s)

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