birt db2 查不到结果集 报错

在Eclipse 里预览时报这个错误。就是因为没有值，rs.next()方法时报错了。
不知道是不是在设计器里有设置处理空值得情况。


下列项有错误: 


Table (id = 96): 
- 无法获取下一个数据行。
  org.eclipse.birt.report.data.oda.jdbc.JDBCException: Cannot move down to next row in the result set.
SQL error #1:[jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
;
  com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null (Element ID:96) 
odaconsumer.CannotFetchNextRow ( 1 次 )
详细资料:org.eclipse.birt.report.engine.api.EngineException: 无法获取下一个数据行。
  org.eclipse.birt.report.data.oda.jdbc.JDBCException: Cannot move down to next row in the result set.
SQL error #1:[jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
;
  com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null (Element ID:96)
at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1206)
at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1185)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:96)
at org.eclipse.birt.report.engine.executor.TableItemExecutor.execute(TableItemExecutor.java:62)
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplicateItemExecutor.execute(SuppressDuplicateItemExecutor.java:43)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportItemExecutor.execute(LocalizedReportItemExecutor.java:34)
at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:65)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:92)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:100)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:180)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:77)
at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:929)
at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:973)
at org.eclipse.birt.report.service.actionhandler.BirtGetPageAllActionHandler.__execute(BirtGetPageAllActionHandler.java:131)
at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90)
at org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(AbstractBaseDocumentProcessor.java:47)
at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(AbstractBaseComponentProcessor.java:143)
at org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleGetPageAll(BirtDocumentProcessor.java:183)
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:597)
at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(AbstractBaseComponentProcessor.java:112)
at org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(BirtSoapBindingImpl.java:66)
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:597)
at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)
at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:60)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:317)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:939)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: org.eclipse.birt.data.engine.odaconsumer.OdaDataException: 无法获取下一个数据行。
  org.eclipse.birt.report.data.oda.jdbc.JDBCException: Cannot move down to next row in the result set.
SQL error #1:[jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
;
  com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
at org.eclipse.birt.data.engine.odaconsumer.ExceptionHandler.newException(ExceptionHandler.java:52)
at org.eclipse.birt.data.engine.odaconsumer.ExceptionHandler.throwException(ExceptionHandler.java:108)
at org.eclipse.birt.data.engine.odaconsumer.ExceptionHandler.throwException(ExceptionHandler.java:84)
at org.eclipse.birt.data.engine.odaconsumer.ResultSet.fetch(ResultSet.java:143)
at org.eclipse.birt.data.engine.executor.cache.OdiAdapter.fetch(OdiAdapter.java:214)
at org.eclipse.birt.data.engine.executor.cache.RowResultSet.next(RowResultSet.java:105)
at org.eclipse.birt.data.engine.executor.cache.RowResultSet.getNext(RowResultSet.java:192)
at org.eclipse.birt.data.engine.executor.transform.SimpleResultSet.initialize(SimpleResultSet.java:133)
at org.eclipse.birt.data.engine.executor.transform.SimpleResultSet.<init>(SimpleResultSet.java:108)
at org.eclipse.birt.data.engine.executor.DataSourceQuery.execute(DataSourceQuery.java:1009)
at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.executeOdiQuery(PreparedOdaDSQuery.java:441)
at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:1495)
at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:232)
at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:173)
at org.eclipse.birt.report.engine.data.dte.QueryResultSet.<init>(QueryResultSet.java:98)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:168)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:265)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1897)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
... 59 more
Caused by: org.eclipse.birt.report.data.oda.jdbc.JDBCException: Cannot move down to next row in the result set.
SQL error #1:[jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
;
  com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
at org.eclipse.birt.report.data.oda.jdbc.ResultSet.next(ResultSet.java:196)
at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaResultSet.next(OdaResultSet.java:180)
at org.eclipse.birt.data.engine.odaconsumer.ResultSet.fetch(ResultSet.java:138)
... 74 more
Caused by: com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][3.58.82] 操作无效：已关闭 result set。 ERRORCODE=-4470, SQLSTATE=null
at com.ibm.db2.jcc.am.ed.a(ed.java:660)
at com.ibm.db2.jcc.am.ed.a(ed.java:60)
at com.ibm.db2.jcc.am.ed.a(ed.java:103)
at com.ibm.db2.jcc.am.hm.Db(hm.java:4352)
at com.ibm.db2.jcc.am.hm.c(hm.java:325)
at com.ibm.db2.jcc.am.hm.next(hm.java:304)
at org.eclipse.birt.report.data.oda.jdbc.ResultSet.next(ResultSet.java:187)
... 76 more