[cas-user] Trying to override the username ID

[Ganael Laplanche]

Hi,

I am using Cas 4.1.7 and trying to override the returned username ID with 
an LDAP attribute (uid), following that documentation :

https://apereo.github.io/cas/4.1.x/integration/Attribute-Release.html#returnallattributereleasepolicy

Here is the configuration for the service:

            <bean class="org.jasig.cas.services.RegexRegisteredService"
                  p:id="1"
                  p:name="Authentication on XXX"
                  p:serviceId="XXX"
                  p:evaluationOrder="1">
                <property name="attributeReleasePolicy">
                    <bean class=
"org.jasig.cas.services.ReturnAllAttributeReleasePolicy" />
                </property>
                <property name="usernameAttributeProvider">
                    <bean class=
"org.jasig.cas.services.PrincipalAttributeRegisteredServiceUsernameProvider"
>
                        <property name="usernameAttribute" value="uid" />
                    </bean>
                </property>
           </bean>

Unfortunately, when rebuilding the application, I get the following error 
message :

"Error setting property values; nested exception is 
org.springframework.beans.NotWritablePropertyException: Invalid property 
'usernameAttribute' of bean class 
[org.jasig.cas.services.PrincipalAttributeRegisteredServiceUsernameProvider]: 
Bean property 'usernameAttribute' is not writable or has an invalid setter 
method. Does the parameter type of the setter match the return type of the 
getter?"

If I explicitly switch back to the default username provider using the 
following config, it builds fine again:

                <property name="usernameAttributeProvider">
                    <bean class=
"org.jasig.cas.services.DefaultRegisteredServiceUsernameProvider" />
                </property>

I must be missing something... Any hint ?

Best regards,

Ganael.

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