Bug 143068 Update the way that viewer sets the image cache folder.
Use this code segment below to set image cache folder. HTMLRenderContext ctx = new HTMLRenderContext(); ctx.setImageDirectory("images"); HashMap map = new HashMap(); map.put(EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT, ctx); task.setAppContext(map); The one related to 132063
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
String format = parameterObj.getPattern( );
			ReportParameterConverter converter = new ReportParameterConverter(
					format, locale );
			Set paramNames = null;
			if ( parameters != null )
			{
				paramNames = parameters.keySet( );
			}
			if ( parameters != null && paramName != null )
			{
				boolean found = false;
				for ( Iterator it = paramNames.iterator( ); it.hasNext( ); )
				{
					String name = (String) it.next( );
					if ( paramName.equals( name ) )
					{
						if ( parameters.get( name ) != null )
							paramValue = parameters.get( name ).toString( );
						paramValueObj = converter.parse( paramValue,
								parameterObj.getDataType( ) );
						paramMap.put( paramName, paramValueObj );
						found = true;
						break;
					}
				}
				if ( !found && configMap.containsKey( paramName ) && isDesigner )
				{
					
					String configValue = (String) configMap.get( paramName );
					ReportParameterConverter cfgConverter = new ReportParameterConverter(