<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"Trebuchet MS";
panose-1:2 11 6 3 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Good afternoon. I am working on configuring two Shibboleth IDP 4.1.2 hosts behind a AWS ALB, their configuration is controlled via an Azure DevOps pipeline. We are using the Shib-cas-authn plugin to defer authentication to CAS. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I restart the IDPs, authentication (CAS) and attribute resolution (Shibboleth IDP) works great. A few minutes later, in the same web browser it stops working. If I close the web browser and open it back up again, it also fails immediately. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here is a snippet of the logs when it worked and then 9 seconds later when it failed:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555;background:white'>2021-07-09 10:26:16,461 - 10.21.0.37 - INFO [Shibboleth-Audit.SSO:283] - 10.21.0.37|2021-07-09T14:26:09.896165100Z|2021-07-09T14:26:16.461130700Z|testaccount|</span><span style='font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:black;background:white'><a href="https://testservice/saml/metadata|_bbc….|password|2021-07-09T14:24:37.583Z|universityid,eduPersonPrimaryAffiliation,eduPersonPrincipalName,eduPersonScopedAffiliation,eduPersonAffiliation,surname|A…..|transient|true|true|AES128-GCM|Redirect|POST||Success||1fe670e15...">https://testservice/saml/metadata|_bbc….|password|2021-07-09T14:24:37.583Z|universityid,eduPersonPrimaryAffiliation,eduPersonPrincipalName,eduPersonScopedAffiliation,eduPersonAffiliation,surname|A…..|transient|true|true|AES128-GCM|Redirect|POST||Success||1fe670e15...</a></span><span style='font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555;background:white'> (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0|10.21.0.37</span><span style='font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><br><span style='background:white'>2021-07-09 10:26:25,025 - 10.21.0.37 - ERROR [org.springframework.webflow.execution.repository.NoSuchFlowExecutionException:91] -</span><br><span style='background:white'>org.springframework.webflow.execution.repository.NoSuchFlowExecutionException: No flow execution could be found with key 'e1s1' -- perhaps this executing flow has ended or expired? This could happen if your users are relying on browser history (typically via the back button) that references ended flows.</span><br><span style='background:white'>at org.springframework.webflow.execution.repository.support.AbstractFlowExecutionRepository.getConversation(AbstractFlowExecutionRepository.java:172)</span><br><span style='background:white'>Caused by: org.springframework.webflow.conversation.NoSuchConversationException: No conversation could be found with id '1' -- perhaps this conversation has ended?</span><br><span style='background:white'>at org.springframework.webflow.conversation.impl.ConversationContainer.getConversation(ConversationContainer.java:126)</span></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Within the UI I get a Web Login Service – Stale Request. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When it stops working, both SPs no longer work. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any suggestions?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks, Jay <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>________________________________<o:p></o:p></p><p class=MsoNormal>Jason Rappaport (he/him)<o:p></o:p></p><p class=MsoNormal>Identity and Access Management Analyst<o:p></o:p></p><p class=MsoNormal>Office of Information Technology<o:p></o:p></p><p class=MsoNormal>Email: <a href="mailto:jasonrap@princeton.edu"><span style='color:windowtext'>jasonrap@princeton.edu</span></a> <o:p></o:p></p><p class=MsoNormal>Office: 609-258-8464<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>