SQLException "Stream already closed" for Oracle LONG RAW in Hibernate

Solution Verified - Updated -

Issue

  • When loading an entity with an Oracle LONG RAW type field, entity manager find(...) fails:
java.sql.SQLException Stream already closed.
    at oracle.jdbc.driver.LongRawAccessor.getBytes(LongRawAccessor.java:162)
    at oracle.jdbc.driver.OracleResultSetImpl.getBytes(OracleResultSetImpl.java:722)
    at oracle.jdbc.driver.OracleResultSet.getBytes(OracleResultSet.java:402)
    at org.jboss.jca.adapters.jdbc.WrappedResultSet.getBytes(WrappedResultSet.java:699)
    at org.hibernate.type.descriptor.sql.VarbinaryTypeDescriptor$2.doExtract(VarbinaryTypeDescriptor.java:66)
    ...
    at org.jboss.as.jpa.container.AbstractEntityManager.find(AbstractEntityManager.java:193)
  • The entity for which the find() is executed is loaded, along with an associated entity (via JOIN for a ManyToOne association)
  • The associated entity has a LONG RAW field

Environment

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

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