Bug 175776 [smoke]Can not export data in Web viewer[02]
Description: No data is exported after export data from Web viewer Build number: 2.2.0.v20070228-0630 Steps to reproduce: 1, Drag a dataset into layout 2, Preview the report in Web Viewer 3, Click Export Data 4, Select the columns and click OK button 5, Open the exportdata.csv Expected result: The data of column are exported in the csv file Actual result: <html><head><title>Error</title><body><font color="red">java.lang.NullPointerException</font></body></html> in the csv file Error log:
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
throws ReportServiceException
	{
		Map params = new HashMap( );
		if ( parameterList == null )
			return params;
		for ( Iterator iter = parameterList.iterator( ); iter.hasNext( ); )
		{
			ParameterDefinition parameter = (ParameterDefinition) iter.next( );
			if ( parameter == null )
				continue;
			
			String paramName = parameter.getName( );
			if ( paramName == null )
				continue;
			
			String paramValue = null;
			if ( ParameterAccessor.isReportParameterExist( request, paramName ) )
			{
				
				paramValue = ParameterAccessor.getReportParameter( request,
						paramName, null );
				params.put( paramName, paramValue );
			}
			else
			{
				Object paramValueObj = null;
				if ( this.isDesigner
						&& !IBirtConstants.SERVLET_PATH_FRAMESET
								.equalsIgnoreCase( request.getServletPath( ) )
						&& this.configMap != null