Bug 155178 [Deploy] Preview report failed on war deployed weblogic server
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
if ( displayTexts != null )
		{
			Iterator keys = displayTexts.keySet( ).iterator( );
			while ( keys.hasNext( ) )
			{
				String paramName = DataUtil.getString( keys.next( ) );
				String displayText = DataUtil.getString( displayTexts
						.get( paramName ) );
				runAndRenderTask.setParameterDisplayText( paramName,
						displayText );
			}
		}
		runAndRenderTask.setRenderOption( option );
		HashMap context = new HashMap( );
		
		
		Boolean isDesigner = Boolean.valueOf( ParameterAccessor
				.isDesigner( request ) );
		context.put( "org.eclipse.birt.data.engine.dataset.cache.option", 
				isDesigner );
		context.put( EngineConstants.APPCONTEXT_BIRT_VIEWER_HTTPSERVET_REQUEST,
				request );
		context.put( EngineConstants.APPCONTEXT_CLASSLOADER_KEY,
				ReportEngineService.class.getClassLoader( ) );
		if ( ParameterAccessor.PARAM_FORMAT_PDF.equalsIgnoreCase( format ) )
		{
			context.put( EngineConstants.APPCONTEXT_PDF_RENDER_CONTEXT,
					createPDFrenderContext( request.getServletPath( ) ) );
		}
		else if ( htmlRenderContext != null )