[infinispan-issues] [JBoss JIRA] (ISPN-3500) Conditional operation can generate inconsistencies in transactional mode

Conditional operation can generate inconsistencies in transactional mode ------------------------------------------------------------------------ Key: ISPN-3500 URL: https://issues.jboss.org/browse/ISPN-3500 Project: Infinispan Issue Type: Bug Affects Versions: 6.0.0.Alpha4 Reporter: Pedro Ruivo Assignee: Pedro Ruivo Fix For: 6.0.0.Beta1 conditional operation can be applied in the backup nodes. consider the following scenario: {code} k=v1 tx1: write on key k value v2 tx1: prepare and sends the commit... primary owner already applied v2 tx2: [replace(k, v1, v3)] starts and reads from primary owner v2. ignoreReturnValue is false because the operation has failed to change k. tx2: sends the prepare. in the backup owner, if perform oldValue.equals(value). however, the oldValue == v1 and value == v1. {code} the operation changed the key in the backup owner creating inconsistency.