upgrade to v4 issues

[Joseph D. Edwards]

Hello again,

I upgraded from v 3.4.6 to 4.0.1.
No deprecated warnings before.

The release notes state:
The redesign has resulted in the elimination of one existing extension mechanism that we don't believe was heavily used, described in the V3 documentation under the heading Custom Back-Ends<https://wiki.shibboleth.net/confluence/display/IDP30/PasswordAuthnConfiguration#PasswordAuthnConfiguration-CustomBack-Ends>.

So does that mean that system/flows/authn/password-authn-beans.xml is obsolete.

ValidateUsernamePasswordAgainstJAAS is used there but the release note say it is eliminated.
Is it? I use it, bingo!

When I login attempt, I see:
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.Transition:222] - Exiting state 'ValidateUsernamePassword'
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.EndState:189] - Entering state 'proceed' of flow 'authn/Password'
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.SubflowState:112] - Mapping subflow output map[[empty]]
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.Transition:214] - Executing [Transition at 156d90f3 on = proceed, to = CheckSubjectCanonicalization]
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.Transition:222] - Exiting state 'CallAuthenticationFlow'
2020-07-27 14:43:17,637 - DEBUG [org.springframework.webflow.engine.DecisionState:189] - Entering state 'CheckSubjectCanonicalization' of flow 'authn'
2020-07-27 14:43:17,641 - DEBUG [org.springframework.webflow.engine.impl.FlowExecutionImpl:592] - Attempting to handle [org.springframework.webflow.execution.FlowExecutionException: Exception thrown in state 'CheckSubjectCanonicalization' of flow 'authn'] with root cause [org.springframework.expression.spel.SpelEvaluationException: EL1011E: Method call: Attempted to call method getPrincipalName() on null context object]

I am not sure where to best start, I got rid of any getPrincipalName DEPRECATED Warnings before the upgrade.

I'd like to know what replaces password-authn-beans.xml.

It is not good practice to edit files in system.
My system/flows/authn/ directories are identical between 3.4.6 and 4.0.1.

Thanks again, Joe
UWMC


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