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<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">Hi all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">Our environment:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">Shibboleth 3.4.8, Java-11.0.23, Tomat 9.0.121 – Authn/External, CAS plugin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">I’m working slowly and fastidiously on a project to get an old Shibboleth IdP 3.4.8 to version 4.1.0 and eventually to 5.X.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">For that reason I upgraded java from version 8.0 to Java-11.0.23 to prepare for an upgrade to 4.1.0 and got tomcat to run from this version without too
many problems, except one.<br>
<br>
Our idp-process.log had a rather elaborate output for user auth events that included all the attributes that were associated with their account.<br>
<br>
2026-09-10 12:56:50,009 – X.X.X.X - INFO [net.shibboleth.idp.authn.impl.ValidateExternalAuthentication:139] - Profile Action ValidateExternalAuthentication: External authentication succeeded for Subject: [IdPAttributePrincipal{attribute=IdPAttribute{id=displayName,
displayNames={}, displayDescriptions={}, encoders=[], values=[StringAttributeValue{value=BOB BOB}]}}, IdPAttributePrincipal{attribute=IdPAttribute{id=eduPersonPrincipalName, displayNames={}, displayDescriptions={}, encoders=[], values=[StringAttributeValue{value=BOB@univ-BOB.de}]}}
… and much more.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">After the Java-11.0.23 upgrade this Subject has been reduced to:
</span><b><span lang="EN-GB" style="font-size:10.0pt;font-family:Consolas;color:#005CC5;background:white"><a href="mailto:javax.security.auth.Subject$SecureSet@50123acb">javax.security.auth.Subject$SecureSet@50123acb</a><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:Consolas;color:#005CC5;background:white"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">2026-09-10 18:51:34,904 – X.X.X.X - INFO [net.shibboleth.idp.authn.impl.ValidateExternalAuthentication:139] - Profile Action ValidateExternalAuthentication:
External authentication succeeded for Subject: </span><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><a href="mailto:javax.security.auth.Subject$SecureSet@50123acb"><span lang="EN-GB">javax.security.auth.Subject$SecureSet@50123acb</span></a></span><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><br>
Authentication still works, it’s just that this log line has been butchered into pointlessness and having the Subject release those values is useful to us for troubleshooting purposes above all.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif">Has Java-11 become more strict in releasing the Subject ? Does anyone know how to fix this ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">Cordialement,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">John Ward<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">04 78 77 30 87<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">Bureau P.136<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">Pôle Réseau et Sécurité, Service Opérations
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Bahnschrift Light",sans-serif;mso-fareast-language:FR">DSI, Université Lyon 2, Bron<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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