Bug 189078 Exception when click Export Data in report with xtab.[1102]
Description: Exception when click Export Data in report with xtab. Build number:2.2.0.v200705251114 Steps to reproduce: 1. New a report. 2. Insert a normal crosstab. 3. Preview in Web Viewer and click Export Data button Expected result: No Exception and data in crosstab cannot be exported. Actual result: Report Service Exception. Error log: org.eclipse.birt.report.service.api.ReportServiceException: org.eclipse.birt.data.engine.olap.impl.query.CubeQueryDefinition org.eclipse.birt.report.service.BirtViewerReportService.getResultSetsMetadata(Unknown Source) org.eclipse.birt.report.service.actionhandler.AbstractQueryExportActionHandler.__execute(Unknown Source) org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(Unknown Source) org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(Unknown Source) org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(Unknown Source) org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleQueryExport(Unknown Source) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(Unknown Source) org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(Unknown Source) sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397) org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186) org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323) org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:453) org.apache.axis.server.AxisServer.invoke(AxisServer.java:281) org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699) org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(Unknown Source) javax.servlet.http.HttpServlet.service(HttpServlet.java:760) org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327) javax.servlet.http.HttpServlet.service(HttpServlet.java:853) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.eclipse.tomcat.internal.EclipseErrorReportValve.invoke(EclipseErrorReportValve.java:153) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.core.StandardPipelin
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/DataExtractionTaskV1.java
.get( query );
				String queryName = item.getName( );
				if ( queryName == null )
				{
					queryName = "ELEMENT_" + item.getID( );
				}
				queryId2NameMapping.put( queryId, queryName );
				queryId2QueryMapping.put( queryId, query );;
			}
		}
		try
		{
			loadResultSetMetaData( );
		}
		catch ( EngineException e )
		{
			e.printStackTrace( );
		}
		isMetaDataPrepared = true;
	}
	/**
	 * get the query name through query id.
	 * 
	 * @param queryId
	 * @return query name
	 */
	private String getQueryName( String queryId )
	{
		return (String) queryId2NameMapping.get( queryId );
	}