API hangs when sending an empty object

[Muratcol]

In POST requests, when an empty JSON object is sent, the API hangs and the request cannot access the controller function at all.

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Expected Behavior

If there is no mandatory parameter in the sent request, the validation errors should be returned.

Current Behavior

Steps to Reproduce

1. Having a controller f.e

   @Post("htmltoimage")
   @Security("jwt", [Rights.MICROSERVICES_MEDIA_SERVICES])
   async postStart(
       @Body() requestBody: HTMLToImage.RequestBody,
       @Request() req: Express.Request
   ): Promise<HTMLToImage.Response> {
       this.setStatus(200);
       return  await new HTMLToImageService().start(req);
   }

2. Sending an empty JSON Object { } to the that endpoint

Context (Environment)

Version of the library: 4.1.3 Version of NodeJS: v16.13.1

[github-actions[bot]]

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[jackey8616]

@Muratcol Can you provide more codes? I can't reproduce with test cases in tsoa:

// tests/integration/...
    it('should invalid empty request body', () => {
      return verifyPostRequest(
        `${basePath}/Validate/body`,
        {},
        (_err, res) => {
          console.log(res);
        },
      );
    });

[midoelhawy]

Hi @Muratcol,

Can you provide more code for the HTMLToImageService class? I think the problem is in your approach because I can't reproduce the issue.