With Earlier version 5.1.6.RELEASE , withPassword works perfectly. How ever with latest version it shows warning that withPassword is deprecated.It takes Array[Char] or charSequence .
@transient lazy val redisClient = RedisClient.create(
RedisURI.builder()
.withHost(redisHost)
.withPort(redisPort)
.withPassword(redisAuth)
.withSsl(true)
.build()