It may be that your redis server doesn't support redis search. I'm
successfully using redis-stack-server:7.2.0-v18
(https://hub.docker.com/r/redis/redis-stack-server)
with cas.ticket.registry.redis.enable-redis-search=true. In my redis.conf I
load the redis search library.
loadmodule /opt/redis-stack/lib/redisearch.so.
On Monday, January 12, 2026 at 11:56:21 AM UTC-5 Olivier wrote:
> Hi Prakash,
>
> I had the same issue when upgrading CAS from 6.6 to 7.3 with AWS
> Elasticache Redis.
> This has been solved by adding the following property:
> cas.ticket.registry.redis.enable-redis-search=false
> I’m not sure if there is a better solution but it worked for me, although
> I have not performed any performance test yet, so, I’m not yet sure if
> there will be any performance impact.
>
> Thanks.
> Olivier Begon.
> Florida State University.
>
> On Friday, January 9, 2026 at 7:38:17 AM UTC-5 Prakash Thapa wrote:
>
> I am trying to integrate Redis Ticket Registry for CAS 7.2.4. And I ran
> into following error while running my CAS
>
> *Caused by: org.springframework.beans.factory.BeanCreationException: Error
> creating bean with name 'redisModulesOperations' defined in class path
> resource
> [org/apereo/cas/config/CasRedisTicketRegistryAutoConfiguration$RedisTicketRegistryModulesConfiguration.class]:
>
> Failed to instantiate [org.apereo.cas.redis.core.RedisModulesOperations]:
> Factory method 'redisModulesOperations' threw exception with message: Redis
> server does not support Redis Modules*
>
> The issue seem to arise from following block of code of class
> 'CasRedisTicketRegistryAutoConfiguration':
>
> val operations = redisModulesOperations.stream().filter(BeanSupplier::
> isNotProxy).findFirst();
> return new RedisTicketRegistry(cipher, ticketSerializationManager,
> ticketCatalog, applicationContext,
> casRedisTemplates, redisTicketRegistryCache,
> redisTicketRegistryMessagePublisher,
> operations, redisKeyGeneratorFactory, adapter, casProperties);
>
> The config is:
>
> cas:
> ticket:
> registry:
> redis:
> # Redis server host
> host: "localhost"
> port: 6379
> password: "your-redis-password"
> database: 0
> enabled: true
> crypto:
> enabled: true
> encryption:
> key: "YourEncryptionKeyMustBeAtLeast256Bits"
> signing:
> key: "YourSigningKeyMustBeAtLeast256Bits"
>
> I have added following dependencies:
> implementation("org.apereo.cas:cas-server-support-redis-ticket-registry:${
> project.'cas.version'}")
> implementation("org.apereo.cas:cas-server-support-redis-modules:${project.
> 'cas.version'}")
>
>
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