Spring Boot REF2 - Http Post

springboot_ref2_http_post

(async function createPhoto() {
          let photo = {"fileName": "hello.jpg"};

          await fetch("http://localhost:8080/photoz", {
                    method: "POST",
                    headers: {
                              "Accept": "application/json",
                              "Content-Type": "application/json"
                    },
                    body: JSON.stringify(photo)
                    })
                    .then(result => result.text())
                    .then(text => alert(text));
})();

run it in http://localhost:8080
it will work.

Try original code in Chrome.