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NonBatchingBatch in addToBatch() method calls jdbcCoordinator.release(Statement)) for every statement, and then calls releaseStatements method which calls {jrelease}} again. It causes an exception in JdbcCoordinatorImpl.close(Statement), and although the exception is caught it causes early exit and I think should be avoided.
com.microsoft.sqlserver.jdbc.SQLServerException: The statement is closed.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:190)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.checkClosed(SQLServerStatement.java:980)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.getMaxRows(SQLServerStatement.java:1011)
at net.sf.log4jdbc.StatementSpy.getMaxRows(StatementSpy.java:949)
at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.close(JdbcCoordinatorImpl.java:530)
at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.release(JdbcCoordinatorImpl.java:407)
at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.releaseStatements(AbstractBatchImpl.java:173)
at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:76)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3281)
at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:3183)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3525)
at org.hibernate.action.internal.EntityUpdateAction.execute(EntityUpdateAction.java:158)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:453)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:345)
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:350)
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1218)
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