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/context/ViewerAttributeBean.java
ReportEngineService.getInstance( ).setMaxRows( this.maxRows );
		
		processReport( request );
		
		String title = BirtResources
				.getMessage( ResourceConstants.BIRT_VIEWER_TITLE );
		this.reportTitle = ParameterAccessor.htmlEncode( title );
		this.__initParameters( request );
	}
	/*
	 * Prepare the report parameters
	 */
	protected void __initParameters( HttpServletRequest request )
			throws Exception
	{
		this.reportDesignHandle = getDesignHandle( request );
		if ( this.reportDesignHandle == null )
			return;
		InputOptions options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, request );
		options.setOption( InputOptions.OPT_LOCALE, locale );
		options.setOption( InputOptions.OPT_RTL, new Boolean( rtl ) );
		
		Collection parameterList = getParameterList( );
		
		if ( this.isDesigner
				&& !IBirtConstants.SERVLET_PATH_FRAMESET
						.equalsIgnoreCase( request.getServletPath( ) ) )
			parseConfigVars( request, parameterList );