All Questions

I'm working with 2 component with Spring MVC that shares a REST API protocol. The server gives this answer: { "id":1, "alerts": {} } Both shares the same class to map this ...

I am getting the following exception when I hit my API on my local server: java.lang.IllegalStateException: getAttribute: Session already invalidated [INFO ] 2025-11-24 17:32:55.729 [http-nio-8080-...

I am maintaining a Spring 4.3 MVC app, upgrading it is a complicated and long term task. For my setup, XML-based, I did not find much on the internet, mostly Spring Boot stuff. I tried adding a @...

I have got a (Thymeleaf) form which I have made accessible to all users, even to those who are not logged in, in order to improve the UX. Only submitting the form (through a POST request) requires ...

I'm using Spring MVC and I would like to control the deserialization of Date objects in RequestBody. I saw I can set a custom JsonDeserializer in the input object, but I would like to set a global ...

I’m working on a web application which is packaged as a WAR that I’m planning to upgrade to Spring Framework 7.x. I noticed that Spring 7 requires Jakarta EE 11, but the environment I need to deploy ...

I am using Java Spring boot and Thymeleaf. When trying to login with bad credentials, the page freezes for a few minutes, and it says the page isn't working. When I activate debug in application....

I'm in the process of doing a technology upgrade for a Spring mvc app. I'm currently using Java 21, Spring 6, and Thymeleaf 3. I've tested the application thoroughly, running it on Tomcat 10. The app ...

I am applying Spring Security in a Spring MVC (Spring Boot) application. The application already has CSRF and Session Management and I want to apply JWT Authentication along with Spring security. But ...

It seems Spring has two classes to represent URLs efficiently, UriComponentsBuilder and UriComponents. UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("https://stackoverflow.com&...

We have an application where we are streaming files from the filesystem and are PUTting them to an endpoint. This worked fine up to spring-web version 6.0.23. After updating to version 6.1.4, we ...

Is there any way to make Spring decodes both string (es. yyyy-mm-dd HH:MM:ss) and long (unixtime milliseconds) for Date objects?

I recently upgraded to Spring Boot 3.5 (Jakarta packages) and noticed my global exception handler isn’t being triggered. @RestController public class UserController { @GetMapping("/test")...

I want to redirect all routes like /api/user/home/ to /api/user/home. Here is the configuration file for gateway: spring: application: name: gateway cloud: gateway: routes: -...

I'm working on my first Spring MVC project (not Spring Boot), and I’m running into a 404 issue when calling the /ping route for a health check. I have a simple PingController defined like this: ...