Stale Hibernate entities are found in some clustered nodes in EAP

Solution Verified - Updated -

Issue

  • Clustering has been configured for multiple server JVMs
  • Level 2 caching is enabled for persistence units deployed in each server
  • When entities are concurrently accessed in multiple server JVMs, stale entities are randomly found in one or more JVMs
  • Once stale, entities remain in the level 2 cache until they are explicitly or implicitly (e.g. due to timeout) evicted

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 5
    • 6
  • Hibernate
    • Hibernate 3 / JBossCache
    • Hibernate 4 / Infinispan

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