Soulwing + Confluence + CAS 3.0.7

[Derek Ethier]

We're using the latest version of Confluence and the soulwing CAS client with
version 3.0.7 of CAS. We've configured the soulwing and seraph plugin as per
the information on this page:

http://www.soulwing.org/confluence-cas.jsp

It successfully handles the re-direction to CAS for authentication and then
back to the issuing service but we get the following error on the Confluence
side:

org.soulwing.cas.client.ProtocolViolationException: Invalid root element
 at
org.soulwing.cas.client.jdom.JdomProtocolHandlerImpl.getResponseElement(JdomProtocolHandlerImpl.java:78)



org.soulwing.cas.client.ProtocolViolationException: Invalid root element
	at
org.soulwing.cas.client.jdom.JdomProtocolHandlerImpl.getResponseElement(JdomProtocolHandlerImpl.java:78)
	at
org.soulwing.cas.client.jdom.JdomProtocolHandlerImpl.processResult(JdomProtocolHandlerImpl.java:54)
	at
org.soulwing.cas.client.DefaultValidatorImpl.serviceValidate(DefaultValidatorImpl.java:42)
	at
org.soulwing.cas.filter.ServiceValidationAuthenticator.authenticate(ServiceValidationAuthenticator.java:46)
	at
org.soulwing.cas.filter.AbstractValidationFilter.validate(AbstractValidationFilter.java:271)
	at
org.soulwing.cas.filter.AbstractValidationFilter.doHttpFilter(AbstractValidationFilter.java:204)
	at
org.soulwing.cas.filter.AbstractValidationFilter.doFilter(AbstractValidationFilter.java:172)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at
org.soulwing.cas.filter.SimpleBypassFilter.doHttpFilter(SimpleBypassFilter.java:116)
	at
org.soulwing.cas.filter.SimpleBypassFilter.doFilter(SimpleBypassFilter.java:95)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at org.soulwing.cas.filter.LogoutFilter.doHttpFilter(LogoutFilter.java:297)
	at
org.soulwing.cas.filter.SessionBypassFilter.doHttpFilter(SessionBypassFilter.java:119)
	at
org.soulwing.cas.filter.SessionBypassFilter.doFilter(SessionBypassFilter.java:97)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
	at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
	at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
	at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
	at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
	at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
	at java.lang.Thread.run(Thread.java:595)

It looks like there a problem with the message being passed from CAS to
soulwing but this is a standard installation that is working with other clients
(phpCAS, GoogleSaml etc.). Any ideas would be appreciated. Thanks!

d.

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