Hi. I am learning create Rest service  with Cache. From this repo. https://github.com/intersystems-ru/REST

I created new web application from Web Applications  section in Management Portal. Such as screenshot.  In browser  call http://127.0.0.1:57772/rest/test . But got  "Service Unavailable" 503 response.  Could you please help?

Hi. I am newby in Cache. My source code at below. I have problem in Relationship property. Could you please help?

/// Class Test.Book Extends %Persistent{Property Name As %String;Property Author As %String;Property ISBN As %String;Relationship Chapters As Test.Chapter [ Cardinality = children, Inverse = bookid ];}

Class Test.Chapter Extends %Persistent{Property Name As %String;Property Page As %Integer;Relationship bookid As Test.Book [ Cardinality = parent, Inverse = Chapters ];}

then in terminal I am running these commands: