ah sorry for the typo,  in line
...
Modules cas-server-support-mongo-service-registry and 
cas-server-support-mongo-ticket-registry both configure named MongoTemplate 
beans, which they actually do even use themselves, but lead to ambiguity 
when resolving a single candidate for the cas-server-support-session-mongo 
module.
...

I forgot the important word "NOT". Instead it should read:
...
Modules cas-server-support-mongo-service-registry and 
cas-server-support-mongo-ticket-registry both configure named MongoTemplate 
beans, which they actually do NOT even use themselves, but lead to 
ambiguity when resolving a single candidate for 
the cas-server-support-session-mongo module.
....
On Monday, January 17, 2022 at 5:33:31 PM UTC+1 [email protected] 
wrote:

> Hi cas-users, 
>
> Using CAS 6.4.4.2 with MongoDB for Service-, Ticket-Registry and 
> Session-Storage at the same time fails to auto-configure in my setup. 
>
> My observations so far:
>
> 1. Adding 
>
> ------------------------------------------------------------------------------------------------
> implementation 
> "org.apereo.cas:cas-server-support-session-mongo:${project.'cas.version'}"
>
> ------------------------------------------------------------------------------------------------
>
> to build.gradle only,  also requires to re-enable MongoAutoConfiguration 
> and MongoDataAutoConfigration by overriding config key 
> spring.autoconfigure.exclude since 
> /webapp/cas-server-webapp-resources/src/main/resources/application.properties 
> disables it:
>
>
> ------------------------------------------------------------------------------------------------
>  spring.autoconfigure.exclude= \
>   
>  org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration,\
>    org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration,\
>   
>  org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration
>
> ------------------------------------------------------------------------------------------------
>
> otherwise no MongoTemplate is found at all:
>
>
> ------------------------------------------------------------------------------------------------
> **************************
> APPLICATION FAILED TO START
> ***************************
>
> Description:
>
> Parameter 0 of method mongoSessionRepository in 
> org.springframework.session.data.mongo.config.annotation.web.http.MongoHttpSessionConfiguration
>  
> required a bean of type 
> 'org.springframework.data.mongodb.core.MongoOperations' that could not be 
> found.
>
>
> Action:
>
> Consider defining a bean of type 
> 'org.springframework.data.mongodb.core.MongoOperations' in your 
> configuration.
>
> ------------------------------------------------------------------------------------------------
>
>
> 2. Additionally enabling 
>
>
> ------------------------------------------------------------------------------------------------
> implementation 
> "org.apereo.cas:cas-server-support-mongo-service-registry:${project.'cas.version'}"
> implementation 
> "org.apereo.cas:cas-server-support-mongo-ticket-registry:${project.'cas.version'}"
>
> ------------------------------------------------------------------------------------------------
>
> Modules cas-server-support-mongo-service-registry and 
> cas-server-support-mongo-ticket-registry both configure named MongoTemplate 
> beans, which they actually do even use themselves, but lead to ambiguity 
> when resolving a single candidate for the cas-server-support-session-mongo 
> module.
>
> Removing these @Bean definitions solves this problem:
>
>
> ------------------------------------------------------------------------------------------------
> diff --git 
> a/support/cas-server-support-mongo-service-registry/src/main/java/org/apereo/cas/config/MongoDbServiceRegistryConfiguration.java
>  
> b/support/cas-server-support-mongo-service-registry/src/main/java/org/apereo/cas/config/MongoDbServiceRegistryConfiguration.java
> index 0227845922..9ed3aea44d 100644
> --- 
> a/support/cas-server-support-mongo-service-registry/src/main/java/org/apereo/cas/config/MongoDbServiceRegistryConfiguration.java
> +++ 
> b/support/cas-server-support-mongo-service-registry/src/main/java/org/apereo/cas/config/MongoDbServiceRegistryConfiguration.java
> @@ -47,9 +47,7 @@ public class MongoDbServiceRegistryConfiguration {
>      @Qualifier("sslContext")
>      private ObjectProvider<SSLContext> sslContext;
>  
> -    @ConditionalOnMissingBean(name = "mongoDbServiceRegistryTemplate")
> -    @Bean
> -    public MongoTemplate mongoDbServiceRegistryTemplate() {
> +    private MongoTemplate mongoDbServiceRegistryTemplate() {
>          val mongo = casProperties.getServiceRegistry().getMongo();
>          val factory = new 
> MongoDbConnectionFactory(sslContext.getObject());
>  
> diff --git 
> a/support/cas-server-support-mongo-ticket-registry/src/main/java/org/apereo/cas/config/MongoDbTicketRegistryConfiguration.java
>  
> b/support/cas-server-support-mongo-ticket-registry/src/main/java/org/apereo/cas/config/MongoDbTicketRegistryConfiguration.java
> index 0a5b538a33..9195ff88a7 100644
> --- 
> a/support/cas-server-support-mongo-ticket-registry/src/main/java/org/apereo/cas/config/MongoDbTicketRegistryConfiguration.java
> +++ 
> b/support/cas-server-support-mongo-ticket-registry/src/main/java/org/apereo/cas/config/MongoDbTicketRegistryConfiguration.java
> @@ -55,10 +55,7 @@ public class MongoDbTicketRegistryConfiguration {
>          return registry;
>      }
>  
> -    @ConditionalOnMissingBean(name = "mongoDbTicketRegistryTemplate")
> -    @Bean
> -    @RefreshScope
> -    public MongoTemplate mongoDbTicketRegistryTemplate() {
> +    private MongoTemplate mongoDbTicketRegistryTemplate() {
>          val factory = new 
> MongoDbConnectionFactory(sslContext.getObject());
>          val mongo = casProperties.getTicket().getRegistry().getMongo();
>          return factory.buildMongoTemplate(mongo);
>
> ------------------------------------------------------------------------------------------------
>
> otherwise it fails with 
>
>
> ------------------------------------------------------------------------------------------------
> ***************************
> APPLICATION FAILED TO START
> ***************************
>
> Description:
>
> Parameter 0 of method mongoSessionRepository in 
> org.springframework.session.data.mongo.config.annotation.web.http.MongoHttpSessionConfiguration
>  
> required a single bean, but 2 were found:
>         - mongoDbServiceRegistryTemplate: defined by method 
> 'mongoDbServiceRegistryTemplate' in class path resource 
> [org/apereo/cas/config/MongoDbServiceRegistryConfiguration.class]
>         - mongoDbTicketRegistryTemplate: defined in BeanDefinition defined 
> in class path resource 
> [org/apereo/cas/config/MongoDbTicketRegistryConfiguration.class]
>
>
> Action:
>
> Consider marking one of the beans as @Primary, updating the consumer to 
> accept multiple beans, or using @Qualifier to identify the bean that should 
> be consumed
>
> ------------------------------------------------------------------------------------------------
>
> My question now is, how can I fix this nonfunctional behavior without 
> patching the original CAS 6.4.4.2 modules 
> cas-server-support-mongo-service-registry and 
> cas-server-support-mongo-ticket-registry? Is there better, easier or more 
> elegant way to use MongoDB for Session, Service and Ticket Storage at the 
> same time?
>
> Regards
>
> Martin
>
>
>
>
>
>

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