插入时空指针，似乎与oracle driver的版本有关

插入时空指针，似乎与oracle driver的版本有关

[06-5-28 8:46:11:594 CST] 00000041 ExceptionUtil E   CNTR0020E: 在调用 bean“BeanId(AFCDAS_EAR#AFCDAS_FACADE.jar#LoginFacade, null)”上的方法“loginRegister”期间，EJB 抛出意外（未声明的）异常。异常数据：java.lang.NullPointerException
 at oracle.jdbc.dbaccess.DBData.clearItem(DBData.java:431)
 at oracle.jdbc.dbaccess.DBDataSetImpl.clearItem(DBDataSetImpl.java:3528)
 at oracle.jdbc.driver.OraclePreparedStatement.clearParameters(OraclePreparedStatement.java:3401)
 at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.resetStatement(WSJdbcConnection.java:2179)
 at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement(WSJdbcConnection.java:1830)
 at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement(WSJdbcConnection.java:1782)
 at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:442)
 at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:93)
 at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:86)
 at org.hibernate.jdbc.AbstractBatcher.prepareBatchStatement(AbstractBatcher.java:171)
 at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2048)
 at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2427)
 at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:51)
 at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:139)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:297)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
 at com.mtrc.afcdas.dao.base.HibernateDAOImpl.create(HibernateDAOImpl.java:70)
 at com.mtrc.afcdas.ejb.session.LoginFacadeBean.loginRegister(LoginFacadeBean.java:141)
 at com.mtrc.afcdas.ejb.session.EJSLocalStatelessLoginFacade_4ee4fc9e.loginRegister(EJSLocalStatelessLoginFacade_4ee4fc9e.java:152)
 at com.mtrc.afcdas.delegate.LoginDelegate.loginResgister(LoginDelegate.java:61)
 at com.mtrc.afcdas.web.struts.action.LoginAction.loginAction(LoginAction.java:78)
 at com.mtrc.afcdas.web.struts.action.LoginAction.appExecute(LoginAction.java:48)
 at com.mtrc.afcdas.framework.web.AppBaseAction.execute(AppBaseAction.java:55)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
 at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
 at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
 at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
 at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:421)
 at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:367)
 at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java(Compiled Code))
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java(Compiled Code))
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java(Compiled Code))
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java(Compiled Code))
 at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))