Bug 143671 [Linux-As][Smoke]Parameter can't be used.
Details: [Linux-As]Parameter can't be used. Setp: 1.New a report design. 2.New a paremeter. 3.Preview and click Run Report Parameter. 4.Dialog pop up and press OK. Actual resutl: Report error.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtCacheParameterActionHandler.java
{
		ViewerAttributeBean attrBean = (ViewerAttributeBean) context.getBean( );
		assert attrBean != null;
		try
		{
			
			String reportDesignName = attrBean.getReportDesignName( );
			
			String configFileName = reportDesignName.replaceFirst(
					IBirtConstants.SUFFIX_DESIGN_FILE,
					IBirtConstants.SUFFIX_DESIGN_CONFIG );
			
			SessionHandle sessionHandle = DesignEngine.newSession( ULocale.US );
			File configFile = new File( configFileName );
			
			if ( configFile != null && configFile.exists( )
					&& configFile.isFile( ) )
			{
				configFile.delete( );
			}
			
			ReportDesignHandle handle = sessionHandle.createDesign( );
			
			Oprand[] op = this.operation.getOprand( );
			if ( op != null )
			{
				for ( int i = 0; i < op.length; i++ )
				{
					ConfigVariable configVar = new ConfigVariable( );
					String paramName = op[i].getName( );