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Spring boot @Getmapping redirection error

In my application I wanted to use get mapping to redirect me to topicform.html file. I do not know why this specific situation is not working. In other mappings it works fine.

@Controller
@SessionAttributes("newTopic")
@RequestMapping("/forum")
public class TopicsController {

...

  @GetMapping("topicform")
    public String newTopic(Principal principal, Model model){
    ...
    }

   @GetMapping("topic/{id}")
    public String showTopic(@PathVariable Long id, Model model){
    ...
    }
...
}

Topicform is not working but when I want to redirect to the topic it works fine.

Intelij even not mapping me it.

Html files directory looks like this:

在此处输入图像描述

Try this:

@GetMapping("/topicform")
public String newTopic(Principal principal, Model model){
...
}

@GetMapping("/topic/{id}")
public String showTopic(@PathVariable Long id, Model model){
...
}

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