Error PHP XMLReader::read(): Load Data before trying to read at /var/www/nextcloud/3rdparty/sabre/xml/lib/Reader.php#63

Nextcloud version: 19.0.1

Logging tab is full of:

Error	PHP	XMLReader::read(): Load Data before trying to read at /var/www/nextcloud/3rdparty/sabre/xml/lib/Reader.php#63

I have exactly the same problem.

have the same on 19.0.2 full

I had the same issue with 19.0.1.
When i looked at the whole error message, it looks like that it was related to an external storage i've added recentrly:

[PHP] Error: XMLReader::read(): Load Data before trying to read at /var/www/html/3rdparty/sabre/xml/lib/Reader.php#63
GET /index.php/apps/files_external/userstorages/3?testOnly=false
from 10.42.6.0 by pd at 2020-08-28T18:11:33+00:00

After removing the external storage, the error was gone.

I’m not so lucky, mine gives the following error:

{"reqId":"123abc","level":3,"time":"2020-08-28T21:14:24+00:00","remoteAddr":"x.x.x.x","user":"xyz","app":"PHP","method":"SEARCH","url":"/nextcloud/remote.php/dav","message":"XMLReader::read(): Load Data before trying to read at /var/www/html/nextcloud/3rdparty/sabre/xml/lib/Reader.php#63","userAgent":"Mozilla/5.0 (iOS) Nextcloud-iOS/3.0.4","version":"19.0.1.1"}`

same problem here : 10 times per second I had this error :
{"reqId":"XXXXXX","level":3,"time":"2020-09-12T20:41:49+00:00","remoteAddr":"109.xx.xx.xx","user":"XXXX","app":"PHP","method":"SEARCH","url":"/remote.php/dav","message":"XMLReader::read(): Load Data before trying to read at /var/www/MYNEXTCLOUD.TLD/3rdparty/sabre/xml/lib/Reader.php#63","userAgent":"Mozilla/5.0 (iOS) Nextcloud-iOS/3.0.6","version":"19.0.2.2"}
I revoked the security TOKEN for my iOS app... and the error vanished ... for now !

I could solve it too, it was always the same user and the same IP-Address for weeks. Since IPs change I figured it was probably some request that got stuck in a loop or something and deleted the user. That solved the problem.

same problem here. The logfile easily eats up my 6TB hard drive after a few weeks.

Found it! sabre/xml@2.2.0 contained a regression that was fixed with 2.2.1 and later (sabre-io/xml#183). I'll prepare a PR.

PR is at #24251 and nextcloud/3rdparty#527.

PR for 19 is at #24306. Please help review and test ✌️

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Error PHP XMLReader::read(): Load Data before trying to read at /var/www/nextcloud/3rdparty/sabre/xml/lib/Reader.php#63 #22281

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Error PHP XMLReader::read(): Load Data before trying to read at /var/www/nextcloud/3rdparty/sabre/xml/lib/Reader.php#63 #22281

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chgardener commented on Aug 27, 2020

DevDorrejo commented on Aug 28, 2020

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ChristophWurst commented on Nov 23, 2020

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