Stop everything on SIGINT to cleanly shutdown on CTRL+C

Author: hlxid

src/main/scala/org/codeoverflow/chatoverflow/Launcher.scala

@@ -78,6 +78,8 @@ object Launcher extends WithLogger {
           logger warn "Unable to run startup plugins. No/wrong password supplied."
         }
       }
+
+      Runtime.getRuntime.addShutdownHook(new Thread(() => exit()))
     }
   }
 
@@ -120,6 +122,5 @@ object Launcher extends WithLogger {
     }
 
     logger info "Bye Bye. Stay minzig!"
-    System.exit(0)
   }
 }

src/main/scala/org/codeoverflow/chatoverflow/ui/web/rest/config/ConfigController.scala

@@ -38,7 +38,7 @@ class ConfigController(implicit val swagger: Swagger) extends JsonServlet with C
       // Give enough time to return success. Then bye bye
       new Thread(() => {
         Thread.sleep(500)
-        Launcher.exit()
+        System.exit(0) // Shutdown hook takes care to stop everything (registered on startup by the Launcher)
       }).start()
       ResultMessage(success = true)
     }