I have solved the problem. I had to use Urlfetch configuration in appengine-web.xml and use URLFetch class instead of HttpURLConnection. It works now. Thanks for the help!
On Saturday, August 25, 2018 at 1:08:16 AM UTC+5:30, George (Cloud Platform Support) wrote: > > If you would like us to look more in-depth in the issue, you should write > a private message with your project ID. You can do this using the drop-down > menu of the reply button, at the top-right of the message window. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/06cd5731-637a-453b-b0a5-cbc1de942927%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
