Caused by: java.sql.BatchUpdateException: ORA-01461: 仅能绑定要插入 LONG 列的 LONG 值问题

帮帮忙的啊，我在实体ben中设置的字段cont是为string在Hibernet设置的类型是text，oracle中用的是clob类型的，strng会自动转换成clob的啊，为什么还报出
 WARN [http-8080-Processor20] [2009-03-12 14:29:05,974] (org.hibernate.util.JDBCExceptionReporter) - SQL Error: 1461, SQLState: 72000
ERROR [http-8080-Processor20] [2009-03-12 14:29:05,974] (org.hibernate.util.JDBCExceptionReporter) - ORA-01461: 仅能绑定要插入 LONG 列的 LONG 值
 WARN [http-8080-Processor20] [2009-03-12 14:29:05,974] (org.hibernate.util.JDBCExceptionReporter) - SQL Error: 1461, SQLState: 72000
ERROR [http-8080-Processor20] [2009-03-12 14:29:05,974] (org.hibernate.util.JDBCExceptionReporter) - ORA-01461: 仅能绑定要插入 LONG 列的 LONG 值ERROR [http-8080-Processor20] [2009-03-12 14:29:05,974] (org.hibernate.event.def.AbstractFlushingEventListener) - Could not synchronize database state with session
org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:253)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:237)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
at org.springframework.orm.hibernate3.HibernateTemplate$29.doInHibernate(HibernateTemplate.java:815)
at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)
at org.springframework.orm.hibernate3.HibernateTemplate.flush(HibernateTemplate.java:813)
at com.comwave.ww_oa.webui.service.base.impl.BaseEntityManagerImpl.flushSession(BaseEntityManagerImpl.java:529)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:287)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:181)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:148)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
at $Proxy33.flushSession(Unknown Source)
Caused by: java.sql.BatchUpdateException: ORA-01461: 仅能绑定要插入 LONG 列的 LONG 值帮忙处理下在线等啊