TicketValidationException: Ticket 'ST-10-Xlsk1Wriz7wfcLPeKBtu-cas Not Recognized (Doc ID 1503782.1)

Symptoms

Getting TicketValidationException in futuretense.txt, eg:

[sso.cas.filter.CASFilter] Ticket <string> is either invalid or already expired. Request [http://<hostname>:<port>/cs/wem/fatwire/home] from <ip>
com.fatwire.wem.sso.SSOException: org.jasig.cas.client.validation.TicketValidationException:
        ticket '<string>' not recognized
    
    at com.fatwire.wem.sso.cas.CASProvider.validate(CASProvider.java:311)
    at com.fatwire.wem.sso.cas.filter.CASFilter.doFilter(CASFilter.java:382)
    at com.fatwire.wem.sso.SSOFilter.doFilter(SSOFilter.java:51)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
    at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
    at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
    at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
    at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: org.jasig.cas.client.validation.TicketValidationException:
        ticket '<string>' not recognized

No issue is observed in WCS when receiving this exception.

Cause

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