<p>We are having one Birt Report which is having four levels of grouping & some columns with aggregation function.</p><p> </p><p>if the result set is empty then Birt Report is throwing following exception:-</p><p>detail : org.eclipse.birt.report.engine.api.EngineException
at org.eclipse.birt.report.engine.internal.document.v4.ReportItemExecutor.execute(ReportItemExecutor.java:300)
at org.eclipse.birt.report.engine.internal.document.v4.ContainerExecutor.prepareChildExecutor(ContainerExecutor.java:225)
at org.eclipse.birt.report.engine.internal.document.v4.ContainerExecutor.hasNextChild(ContainerExecutor.java:110)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.hasNextChild(WrappedReportItemExecutor.java:86)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.hasNextChild(WrappedReportItemExecutor.java:86)
at org.eclipse.birt.report.engine.api.impl.RenderTask$ReportExecutorWrapper.hasNextChild(RenderTask.java:710)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM$1.hasNextChild(HTMLPageLM.java:68)
at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:62)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:90)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:99)
at org.eclipse.birt.report.engine.api.impl.RenderTask$PageRangeRender.render(RenderTask.java:600)
at org.eclipse.birt.report.engine.api.impl.RenderTask.render(RenderTask.java:221)
at org.eclipse.birt.report.service.ReportEngineService.renderReport(ReportEngineService.java:1461)
at org.eclipse.birt.report.service.BirtViewerReportService.getPage(BirtViewerReportService.java:204)
at org.eclipse.birt.report.service.actionhandler.BirtChangeParameterActionHandler.doRenderPage(BirtChangeParameterActionHandler.java:82)
at org.eclipse.birt.report.service.actionhandler.AbstractChangeParameterActionHandler.__execute(AbstractChangeParameterActionHandler.java:103)
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.handleChangeParameter(BirtDocumentProcessor.java:100)
at sun.reflect.GeneratedMethodAccessor215.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.GeneratedMethodAccessor33.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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$ServletWrapper.service(ServletManager.java:180)
at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:59)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:318)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:380)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
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:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:535)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:880)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:748)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:219)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Caused by: java.lang.NumberFormatException
at java.math.BigDecimal.<init>(Unknown Source)
at java.math.BigDecimal.<init>(Unknown Source)
at org.eclipse.birt.core.util.IOUtil.readObject(IOUtil.java:568)
at org.eclipse.birt.core.util.IOUtil.readObject(IOUtil.java:535)
at org.eclipse.birt.data.engine.impl.document.RDAggrUtil$RDAggrValueHolder.<init>(RDAggrUtil.java:157)
at org.eclipse.birt.data.engine.impl.document.RDAggrUtil.<init>(RDAggrUtil.java:54)
at org.eclipse.birt.data.engine.impl.document.util.ExprResultSet.prepare(ExprResultSet.java:99)
at org.eclipse.birt.data.engine.impl.document.util.ExprResultSet.<init>(ExprResultSet.java:71)
at org.eclipse.birt.data.engine.impl.document.RDLoad.loadExprResultSet(RDLoad.java:117)
at org.eclipse.birt.data.engine.impl.document.ResultIterator.prepare(ResultIterator.java:117)
at org.eclipse.birt.data.engine.impl.document.ResultIterator.<init>(ResultIterator.java:91)
at org.eclipse.birt.data.engine.impl.document.ResultIterator.<init>(ResultIterator.java:65)
at org.eclipse.birt.data.engine.impl.document.ResultIterator2.<init>(ResultIterator2.java:42)
at org.eclipse.birt.data.engine.impl.document.QueryResults.getResultIterator(QueryResults.java:276)
at org.eclipse.birt.report.engine.data.dte.QueryResultSet.<init>(QueryResultSet.java:98)
at org.eclipse.birt.report.engine.data.dte.DataPresentationEngine.doExecuteQuery(DataPresentationEngine.java:156)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:254)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1818)
at org.eclipse.birt.report.engine.internal.document.v4.ReportItemExecutor.executeQuery(ReportItemExecutor.java:412)
at org.eclipse.birt.report.engine.internal.document.v4.TableItemExecutor.doExecute(TableItemExecutor.java:72)
at org.eclipse.birt.report.engine.internal.document.v4.ReportItemExecutor.execute(ReportItemExecutor.java:294)
... 60 more</p><p> </p><p> </p>
