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/ReportEngineService.java
isEmbeddable = true;
			setting.setEmbeddable( isEmbeddable );
			setting.setHtmlRtLFlag( rtl );
			setting.setInstanceIDs( activeIds );
			setting.setMasterPageContent( masterPage );
			setting.setActionHandle( new ViewerHTMLActionHandler(
					reportDocument, pageNumber, locale, isEmbeddable, rtl ) );
		}
		renderTask.setRenderOption( setting );
		renderTask.setLocale( locale );
		
		try
		{
			if ( format.equalsIgnoreCase( ParameterAccessor.PARAM_FORMAT_PDF ) )
				renderTask.render( );
			else
			{
				renderTask.setPageNumber( pageNumber );
				renderTask.render( );
			}
		}
		catch ( BirtException e )
		{
			AxisFault fault = new AxisFault( e.getLocalizedMessage( ) );
			fault.setFaultCode( new QName(
					"ReportEngineService.renderReport( )" ) ); 
			fault.setFaultString( e.getLocalizedMessage( ) );
			throw fault;
		}
		catch ( Exception e )