事务提交时报错的问题

部署在webshpere 上的应用，由容器来管理事务，  持久层用jpa的方式同步数据。结果在批量插入数据的时候出现了错误，日志如下: 
[10-4-6 9:42:24:859 CST] 00000018 RegisteredSyn E   WTRN0074E: 从 before_completion 同步操作捕获异常：<openjpa-1.2.2-SNAPSHOT-r422266:778978M-OPENJPA-975 nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1834)
at com.ibm.ws.uow.ComponentContextSynchronizationWrapper.beforeCompletion(ComponentContextSynchronizationWrapper.java:65)
at com.ibm.tx.jta.RegisteredSyncs.coreDistributeBefore(RegisteredSyncs.java:289)
at com.ibm.ws.tx.jta.RegisteredSyncs.distributeBefore(RegisteredSyncs.java:150)
at com.ibm.ws.tx.jta.TransactionImpl.prePrepare(TransactionImpl.java:2252)
at com.ibm.ws.tx.jta.TransactionImpl.stage1CommitProcessing(TransactionImpl.java:488)
at com.ibm.tx.jta.TransactionImpl.processCommit(TransactionImpl.java:978)
at com.ibm.tx.jta.TransactionImpl.commit(TransactionImpl.java:913)
at com.ibm.ws.tx.jta.TranManagerImpl.commit(TranManagerImpl.java:369)
at com.ibm.tx.jta.TranManagerSet.commit(TranManagerSet.java:161)
at com.ibm.ws.tx.jta.UserTransactionImpl.commit(UserTransactionImpl.java:293)
at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:52)
at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:613)
at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:604)
at org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:345)
at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:245)
at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)
at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1530)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1470)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:858)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:824)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:458)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:175)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:91)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:862)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:178)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:455)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:384)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1550)
Caused by: 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:3169)
at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement(WSJdbcConnection.java:2746)
at org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:166)
at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection.prepareStatement(LoggingConnectionDecorator.java:225)
at org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:164)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$RefCountConnection.prepareStatement(JDBCStoreManager.java:1531)
at org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:153)
at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.prepareStatement(PreparedStatementManagerImpl.java:160)
at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(PreparedStatementManagerImpl.java:114)
at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.batchOrExecuteRow(BatchingPreparedStatementManagerImpl.java:102)
at org.apac这个报错信息出现在服务器（windows server 2003）上,奇怪的是我在本机上（系统为windows xp）没有此问题，请求各位IT人士帮帮忙。