JasperReports® Server login not working from Google App Engine (due to missing header attribute)
问题 I'm trying to make a REST call (using the Restlet framework) from Google App Engine to a JasperReports server that I have running on Google Compute Engine. To use the JasperReports REST interface you need to first login by sending a POST request (with no body) and username/password query params. http:///jasperserver/rest/login?j_username=&j_password= The JasperReports server will respond by adding a "Set-Cookie" request header attribute. The attribute value contains a session ID that you use