[Bug]: Sabre\Xml\ParseException: The input element to parse is empty. Do not attempt to parse about server HOT 6 OPEN

I have finally found the "Bug": My server uses https (or the proxy), but i used http://Verwaltung:***@***.de/remote.php/dav/calendars/verwaltung/' as url. If I change that to httpsI don't get errors.

from server.

The question is if that is intended behavior and if no, who is to blame.

from server.

According to this part of the stack trace, the body sent with the REPORT HTTP request is empty (i.e. the first argument is empty):

            {
                "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/CorePlugin.php",
                "line": 685,
                "function": "parse",
                "class": "Sabre\\Xml\\Service",
                "type": "->",
                "args": [
                    "",
                    "/remote.php/dav/calendars/verwaltung/veranstaltungen/",
                    null
                ]
            },

And I don't see any indications that we modify it or anything before that. That's the first time we try to retrieve it. So maybe that library and the http versus https handling resulted in only a partial HTTP transaction. The ParseException saying The input element to parse is empty. Do not attempt to parse is just a reflection of the body being empty.

from server.

Same error with 28.0.3

from server.

Maybe https://github.com/nextcloud/all-in-one does the redirection wrong or the caldav python lib forgets to resend the body after redirection.

from server.

I have debugged the code and caldav uses python requests to make the http requests. Nextcloud return 301 Found for the http url and request with follow_redirects does not send the body again after the redirect

from server.