java.lang.NullPointerException
at org.eclipse.birt.data.engine.olap.data.util.ObjectWriter.write(ObjectWriter.java:45)
at org.eclipse.birt.data.engine.olap.data.util.StructureDiskArray.writeObject(StructureDiskArray.java:61)
at org.eclipse.birt.data.engine.olap.data.util.BaseDiskArray.add(BaseDiskArray.java:76)
at org.eclipse.birt.data.engine.olap.data.util.BufferedStructureArray.add(BufferedStructureArray.java:62)
at org.eclipse.birt.data.engine.executor.cache.disk.DiskCache.next(DiskCache.java:171)
at org.eclipse.birt.data.engine.executor.cache.SmartCache.next(SmartCache.java:151)
at org.eclipse.birt.data.engine.executor.transform.CachedResultSet.next(CachedResultSet.java:383)
at org.eclipse.birt.data.engine.impl.ResultIterator.hasNextRow(ResultIterator.java:495)
at org.eclipse.birt.data.engine.impl.ResultIterator.next(ResultIterator.java:434)
at org.eclipse.birt.data.engine.impl.ResultIterator.close(ResultIterator.java:890)
at org.eclipse.birt.data.engine.impl.ResultIterator$1.dataEngineShutdown(ResultIterator.java:178)
at org.eclipse.birt.data.engine.impl.DataEngineImpl.shutdown(DataEngineImpl.java:566)
at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.shutdown(DataRequestSessionImpl.java:455)
at org.eclipse.birt.report.engine.data.dte.DataGenerationEngine.shutdown(DataGenerationEngine.java:145)
at org.eclipse.birt.report.engine.executor.ExecutionContext.close(ExecutionContext.java:470)
at org.eclipse.birt.report.engine.api.impl.EngineTask.close(EngineTask.java:1448)
at org.eclipse.birt.report.engine.api.impl.RunTask.close(RunTask.java:300)
at org.eclipse.birt.report.service.ReportEngineService.runReport(ReportEngineService.java:1327)
at org.eclipse.birt.report.service.BirtViewerReportService.runReport(BirtViewerReportService.java:158)
at org.eclipse.birt.report.service.actionhandler.BirtRunReportActionHandler.__execute(BirtRunReportActionHandler.java:81)
at org.eclipse.birt.report.service.actionhandler.BirtGetPageActionHandler.__checkDocumentExists(BirtGetPageActionHandler.java:58)
at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.prepareParameters(AbstractGetPageActionHandler.java:119)
at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.__execute(AbstractGetPageActionHandler.java:104)
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.handleGetPage(BirtDocumentProcessor.java:87)
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 weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
birt报表如查询结果在150条没有问题，但是超过200条出现以上报错信息
