<property
            name="body"
            type="text"
            update="true"
            insert="true"
            access="property"
            column="body"
        />

org.springframework.jdbc.BadSqlGrammarException: Bad SQL grammar [] in task 'HibernateTemplate'; nested exception is org.postgresql.util.PSQLException: Unknown Types value.
org.postgresql.util.PSQLException: Unknown Types value.
   at org.postgresql.jdbc2.AbstractJdbc2Statement.setNull(AbstractJdbc2Statement.java:988)
   at org.postgresql.jdbc3.AbstractJdbc3Statement.setNull(AbstractJdbc3Statement.java:1435)
   at org.apache.commons.dbcp.DelegatingPreparedStatement.setNull(DelegatingPreparedStatement.java:104)
   at net.sf.hibernate.type.NullableType.nullSafeSet(NullableType.java:43)
   at net.sf.hibernate.type.NullableType.nullSafeSet(NullableType.java:35)
   at net.sf.hibernate.persister.EntityPersister.dehydrate(EntityPersister.java:389)
   at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:462)
   at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:438)
   at net.sf.hibernate.impl.ScheduledInsertion.execute(ScheduledInsertion.java:37)
   at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2438)
   at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2391)
   at net.sf.hibernate.impl.SessionImpl.flush(SessionImpl.java:2260)
   at net.sf.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:61)
   at org.springframework.orm.hibernate.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:460)
   at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:373)
   at org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:241)
   at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:66)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:152)

""