Hi,
We are currently testing CAS v7 via the latest RC8, but have run into a
blocker with the configuration of the Redis based ticket registry. There
does not appear to be a way to configure the Redis registry/client to
connect without a username (Azure cache for Redis does not use usernames).
If we set the username to an empty string via configuration properties (or
null programmatically), then it fails due to username assertions in
lettuce.
Eg.
Caused by: java.lang.IllegalArgumentException: User name must not be null
at
io.lettuce.core.internal.LettuceAssert.notNull(LettuceAssert.java:71)
at
io.lettuce.core.RedisURI$Builder.withAuthentication(RedisURI.java:1563)
at
org.apereo.cas.redis.core.RedisObjectFactory.newRedisModulesCommands(RedisObjectFactory.java:132)
This can be traced to RedisObjectFactory.newRedisModulesCommands() in
cas-server-support-redis-core, as it assumes a username is present if a
password is present (via uriBuilder.withAuthentication call). This should
check for a null/empty username first and use uriBuilder.withPassword
instead in that case.
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