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I want to register a user on drupal site through REST, I read this article, and implemented the instructtins exactly the same using Postman on drupal 8.3.

specially when I send this specification :

POST: http://example.com/user/register
Content-type: application/json
Data: { "name": [
  {
    "value": "test"
  }
],
"mail": [
  {
    "value": "aa@bb.com"
  }
],
"pass": [
  {
    "value": "test"
  }
]  }

Response is: 500 service unavailable (with message)

What should I do to solve the problem?

Improve this question
  • Check your Drupal log - it should show an error. What is the error? – Jaypan Feb 17 '17 at 5:44
  • error: InvalidArgumentException: Field 0 is unknown. in Drupal\Core\Entity\ContentEntityBase->getTranslatedField() (line 506 of D:\wamp95\www\drupal83\core\lib\Drupal\Core\Entity\ContentEntityBase.php). – Mde Feb 17 '17 at 5:52
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Just a stab in the dark here.

It seems that you have extra square brackets. I think this is why your error message refers to field 0 -- you're sending it an array. Try it exactly as the article displays, with no square brackets?

For example: "pass": { "value": "test" }

Good luck.

Update

To enable setting a password, you need to change a setting which is default in the install.

Go to admin/config/people/accounts (Configuration > People > Account Settings) and uncheck "Require email verification when a visitor creates an account":

Correct settings

Granted you are allowing POST to Anonymous users as described in the article above, you should be good to go and get a response such as the following in PostMan:

{
  "uid": [
    {
      "value": "5"
    }
  ],
  "uuid": [
    {
      "value": "70738718-d4e9-455e-a1f6-cf95df613507"
    }
  ],
  "langcode": [
    {
      "value": "en"
    }
  ],
  "name": [
    {
      "value": "ac@bb.com"
    }
  ],
  "created": [
    {
      "value": 1487319576
    }
  ],
  "changed": [
    {
      "value": 1487319576
    }
  ],
  "default_langcode": [
    {
      "value": true
    }
  ],
  "user_picture": []
}

Hope this helps!!

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  • I deleted the square brackets, now it returns : {422 Unprocessable Entity} error! – Mde Feb 17 '17 at 7:05
  • and log report is: Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException: A Password cannot be specified. It will be generated on login. in Drupal\user\Plugin\rest\resource\UserRegistrationResource->ensureAccountCanRegister() (line 164 of D:\wamp95\www\drupal83\core\modules\user\src\Plugin\rest\resource\UserRegistrationResource.php). – Mde Feb 17 '17 at 7:11
  • I'm running into the same error as you now. It goes away if I remove the pass parameter, but I think the point is that you wanted to generate a user with a password? – Christopher Borchert Feb 17 '17 at 8:16
  • Of course, user needs password. I think it's a core issue, where should I propose it to be solved? – Mde Feb 17 '17 at 8:24
  • Updated my answer. If you want to ASSIGN the user a password, you must change your Account Settings Configuration. Otherwise, the user will be sent an email and they will set their own password. – Christopher Borchert Feb 17 '17 at 8:26

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