Method boolean Cache.replace(K key, V oldValue, V value) (and variants) should guard against null oldValue parameter -------------------------------------------------------------------------------------------------------------------- Key: ISPN-2839 URL: https://issues.jboss.org/browse/ISPN-2839 Project: Infinispan Issue Type: Bug Components: Core API Affects Versions: 5.2.1.Final Reporter: Adrian Nistor Assignee: Adrian Nistor Priority: Minor Labels: 5.2.x Fix For: 5.3.0.Final The null check is not done explicitly but it will accidentally fail with NPE when trying to cast the result of the execution of ReplaceCommand to a Boolean.