IdP with memcached

[Ramon Pfeiffer]

Please ignore, it was a configuration fault.


On 18.10.2017 09:42, Ramon Pfeiffer wrote:
> Hi all,
> 
> currently, I'm trying to use memcached as a session storage.
> 
> I have set up memcached and have defined a bean as shown in [1]. In
> idp.properties, I have set idp.session.StorageService and
> idp.cas.StorageService to shibboleth.MemcachedStorageService (but not
> idp.consent.StorageService).
> 
> On IdP startup, I don't get any errors logged. However, on a login
> attempt, the following is logged:
> 
> 2017-10-18 09:22:14,049 - DEBUG
> [net.shibboleth.idp.session.impl.StorageBackedIdPSessionSerializer:138]
> - Unable to serialize SP session due to to storage service limitations
> 2017-10-18 09:22:14,055 - ERROR
> [net.shibboleth.idp.session.impl.StorageBackedSessionManager:528] -
> Exception while storing new session for principal <principal>
> java.io.IOException:
> net.shibboleth.utilities.java.support.logic.ConstraintViolationException:
> Storage object was not present in session
>         at
> org.opensaml.storage.AbstractMapBackedStorageService.create(AbstractMapBackedStorageService.java:75)
> Caused by:
> net.shibboleth.utilities.java.support.logic.ConstraintViolationException:
> Storage object was not present in session
>         at
> net.shibboleth.utilities.java.support.logic.Constraint.isNotNull(Constraint.java:227)
> 2017-10-18 09:22:14,063 - ERROR
> [net.shibboleth.idp.session.impl.UpdateSessionWithAuthenticationResult:178]
> - Profile Action UpdateSessionWithAuthenticationResult: Error creating
> session for principal <principal>
> net.shibboleth.idp.session.SessionException: Exception while storing new
> session
>         at
> net.shibboleth.idp.session.impl.StorageBackedSessionManager.createSession(StorageBackedSessionManager.java:530)
> Caused by: java.io.IOException:
> net.shibboleth.utilities.java.support.logic.ConstraintViolationException:
> Storage object was not present in session
>         at
> org.opensaml.storage.AbstractMapBackedStorageService.create(AbstractMapBackedStorageService.java:75)
> Caused by:
> net.shibboleth.utilities.java.support.logic.ConstraintViolationException:
> Storage object was not present in session
>         at
> net.shibboleth.utilities.java.support.logic.Constraint.isNotNull(Constraint.java:227)
> 
> Apparently, some limitations I have unknowingly set up prevent the
> storage of the sessions in memcached. For testing purposes, I had the
> idp.consent.StorageService set up to use memcached as well, a look into
> the storage shows me quite some attribute and TOU consents.
> 
> Any ideas where I could look to make memcached store sessions as well?
> 
> Thanks
> Ramon Pfeiffer
> 
> 
> [1]:
> https://wiki.shibboleth.net/confluence/display/IDP30/StorageConfiguration#StorageConfiguration-MemcachedStorageService
> 
> 
> 

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