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[samir el otmani]

Hello everyone ,

I use IDP3 and shibCas as external authentification method ,

I have set the *idp.session.timeout* into 15 minutes
*idp.auth.defaultLifefime* and* idp.auth.defaultLifefime* are  not changed .

when i try to authenticate then i stay on the CAS login page for 30 minutes
then i get this error after typing the login and the password .
the weird is that when i stay between 15 min and 30 min , there is no
problem , i can authenticate without problem.

can anyone help me

javax.servlet.ServletException: Error processing ShibCas authentication request
	net.unicon.idp.externalauth.ShibcasAuthServlet.doGet(ShibcasAuthServlet.java:152)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	net.shibboleth.idp.log.SLF4JMDCServletFilter.doFilter(SLF4JMDCServletFilter.java:64)
	net.shibboleth.utilities.java.support.net.RequestResponseContextFilter.doFilter(RequestResponseContextFilter.java:60)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

*caused by*

net.shibboleth.idp.authn.ExternalAuthenticationException: No
conversation state found in session
	net.shibboleth.idp.authn.ExternalAuthentication.startExternalAuthentication(ExternalAuthentication.java:89)
	net.unicon.idp.externalauth.ShibcasAuthServlet.doGet(ShibcasAuthServlet.java:113)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	net.shibboleth.idp.log.SLF4JMDCServletFilter.doFilter(SLF4JMDCServletFilter.java:64)
	net.shibboleth.utilities.java.support.net.RequestResponseContextFilter.doFilter(RequestResponseContextFilter.java:60)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
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