Use of @Fetch(FetchMode.SUBSELECT) results in signficant memory usage in Hibernate

Solution Verified - Updated -

Issue

  • High volume java.lang.String memory when loading associations annotated with @Fetch(FetchMode.SUBSELECT)
  • Repeated/duplicate SQL Strings are found in memory related to subselect fetch queries

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 6
  • Hibernate 4

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