Webfinger: `Exception parse_str(): Argument #1 ($string) must be of type string, null given in file '/opt/nextcloud/apps/social/lib/WellKnown/WebfingerHandler.php' line [...]`

[HighWingy]

Describe the bug
Going to the url for webfinger on my Nextcloud gives an internal server error. And when I check the logs, I see the following message:

Exception parse_str(): Argument #1 ($string) must be of type string, null given in file '/opt/nextcloud/apps/social/lib/WellKnown/WebfingerHandler.php' line 235

To Reproduce
Steps to reproduce the behavior:

1. Go to https://cloud.home.dragongames.net/index.php/.well-known/webfinger
2. See error

Expected behavior
I'm not entirely sure what is supposed to happen as I've never been able to get this to work. But I do know that the 500 error and the error in the log file are not correct

Screenshots
n/a my site is public ish

Client details:

• OS: Fedora 39
• Browser: Chrome
• Version: 29
• Device: Laptop

Server details

**Social app version:** 8.0 **Operating system**: Debian 12.5 **Web server:** Apache2 **Database:** MariaDB **PHP version:** 8.2 **Nextcloud version:** (see Nextcloud admin page) 29

Logs

Nextcloud log (data/nextcloud.log)

Exception parse_str(): Argument #1 ($string) must be of type string, null given in file '/opt/nextcloud/apps/social/lib/WellKnown/WebfingerHandler.php' line 235

#### Browser log

n/a this is all server side

[noci2012]

{
  "reqId": "IhilB622InmPCwv23SD0",
  "level": 4,
  "time": "2024-09-24T13:07:15+00:00",
  "remoteAddr": "192.168.7.117",
  "user": "--",
  "app": "social",
  "method": "GET",
  "url": "/apps/logreader/api/poll?lastReqId=RkpiDP9XvTgAf96Sv9l7",
  "message": "Error during app service registration: Call to undefined method OC\\Server::getEventDispatcher()",
  "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36",
  "version": "30.0.0.14",
  "exception": {
    "Exception": "Error",
    "Message": "Call to undefined method OC\\Server::getEventDispatcher()",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/nextcloud/apps/social/lib/AppInfo/Application.php",
        "line": 71,
        "function": "registerDeprecatedListener",
        "class": "OCA\\Social\\AppInfo\\Application",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php",
        "line": 99,
        "function": "register",
        "class": "OCA\\Social\\AppInfo\\Application",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php",
        "line": 48,
        "function": "registerApps",
        "class": "OC\\AppFramework\\Bootstrap\\Coordinator",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 657,
        "function": "runInitialRegistration",
        "class": "OC\\AppFramework\\Bootstrap\\Coordinator",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 1132,
        "function": "init",
        "class": "OC",
        "type": "::"
      },
      {
        "file": "/var/www/nextcloud/index.php",
        "line": 22,
        "args": [
          "/var/www/nextcloud/lib/base.php"
        ],
        "function": "require_once"
      }
    ],
    "File": "/var/www/nextcloud/apps/social/lib/AppInfo/Application.php",
    "Line": 82,
    "message": "Error during app service registration: Call to undefined method OC\\Server::getEventDispatcher()",
    "exception": [],
    "CustomMessage": "Error during app service registration: Call to undefined method OC\\Server::getEventDispatcher()"
  },
  "id": "66f2b98370f2a"
}

[paulvt]

I didn't have this before, but I have it now that I updated to the release 0.7.0.
Were you running a snapshot after 0.6.2 @HighWingy?

[noci2012]

DbalException
An exception occurred while executing a query: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'nextcloud.oc_social_actor' doesn't exist

Both after upgrade and removal and reinstall, just opening the app).

[joshtrichards]

While social should handle missing parameters better to avoid the exception (that's the bug), technically it doesn't impact functionality because it only occurs if you leave off the required ?resource= parameter when querying the /.well-known/webfinger URL.

[joshtrichards]

If you're able, test #1951. Should fix this issue.

[oculos]

If you're able, test #1951. Should fix this issue.

It didn't for me. The error now is on line 229, which is, for me, this:

	parse_str(parse_url($requestUri, PHP_URL_QUERY), $query);