Customer has connected IBM Connections (means: Websphere Application Server) to an Atos DirX directory. The federated repository has been configured as “CUSTOM” type. After starting the Deployment Manager everything works, and the local wasadmin user and also admin users from the LDAP can login successfully.
However after some time (about 5-10 minutes) neither the local nor the LDAP users can login to the Deployment Manager. After you restart the Dmgr it does work for some time again.
In the SystemOut.log you will find messages like that:
[codesyntax lang=”text”]
UserRegistryI E SECJ0363E: Cannot create credential for the user because of the following exception com.ibm.websphere.wim.exception.WIMException Caused by: java.lang.NullPointerException
[/codesyntax]
In order to fix that issue I changed the following configuration in the WAS System Console:
So the page looked like that: