Server: Error in nextcloud.log after logout

[Nils160988]

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Steps to reproduce

1. Upgrade to 19 Beta 2
2. Login with a user
3. Logout with this user

Expected behaviour

No error messages in log

Actual behaviour

The nextcloud log shows an error each time a user logs out. So far, I can see no further effects, but it might be interesting for you to find the cause for this error.

Server configuration

Operating system: Ubuntu 18.04.3

Web server: apache 2.4.29

Database: mariadb 10.1.44

PHP version: 7.2.24

Nextcloud version: 19.0.0.3 (Beta 2)

Updated from an older Nextcloud/ownCloud or fresh install: updated

Where did you install Nextcloud from: nextcloud.com

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

Enabled:
  - accessibility: 1.5.0
  - activity: 2.12.0
  - announcementcenter: 3.8.0
  - calendar: 2.0.3
  - cloud_federation_api: 1.2.0
  - comments: 1.9.0
  - contacts: 3.2.0
  - contactsinteraction: 1.0.0
  - dav: 1.15.0
  - deck: 0.8.2
  - drawio: 0.9.5
  - federatedfilesharing: 1.9.0
  - federation: 1.9.0
  - files: 1.14.0
  - files_mindmap: 0.0.21
  - files_pdfviewer: 1.8.0
  - files_rightclick: 0.16.0
  - files_sharing: 1.11.0
  - files_trashbin: 1.9.0
  - files_versions: 1.12.0
  - files_videoplayer: 1.8.0
  - firstrunwizard: 2.8.0
  - groupfolders: 6.0.5
  - logreader: 2.4.0
  - lookup_server_connector: 1.7.0
  - nextcloud_announcements: 1.8.0
  - notifications: 2.7.0
  - oauth2: 1.7.0
  - password_policy: 1.9.0
  - photos: 1.1.0
  - privacy: 1.3.0
  - provisioning_api: 1.9.0
  - recommendations: 0.7.0
  - serverinfo: 1.9.0
  - settings: 1.1.0
  - sharebymail: 1.9.0
  - systemtags: 1.9.0
  - tasks: 0.12.1
  - text: 3.0.1
  - theming: 1.10.0
  - twofactor_backupcodes: 1.8.0
  - twofactor_totp: 4.1.3
  - updatenotification: 1.9.0
  - viewer: 1.3.0
  - workflowengine: 2.1.0
Disabled:
  - admin_audit
  - apporder
  - circles
  - documentserver_community
  - encryption
  - event_update_notification
  - external
  - files_automatedtagging
  - files_external
  - group_everyone
  - impersonate
  - onlyoffice
  - polls
  - ransomware_protection
  - spreed
  - support
  - survey_client
  - user_ldap
  - user_usage_report
  - workflow_pdf_converter
  - workflow_script

Nextcloud configuration:

Config report

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "test.xyz.de"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "overwrite.cli.url": "https:\/\/test.xyz.de\/nextcloud",
        "htaccess.RewriteBase": "\/",
        "dbtype": "mysql",
        "version": "19.0.0.3",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "mail_smtpmode": "sendmail",
        "mail_smtpauthtype": "LOGIN",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "default_language": "de",
        "default_locale": "de_DE",
        "logtimezone": "Europe\/Berlin",
        "theme": "",
        "loglevel": 2,
        "updater.release.channel": "beta",
        "skeletondirectory": "\/var\/www\/default-files",
        "maintenance": false,
        "mysql.utf8mb4": true,
        "data-fingerprint": "01ab1f439dc59f5b900a4be407aad640",
        "activity_use_cached_mountpoints": "true"
    }
}

Are you using external storage, if yes which one: no

Are you using encryption: no

Are you using an external user-backend, if yes which one: no

Client configuration

Browser: Firefox 75.0

Operating system:

Logs

Web server error log

Web server error log

xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:20 +0200] "GET /logout?requesttoken=vEJgmQniP3UEkDYUF9HDKAocjDxE1t9YtyRByfPKudQ%3D%3AhTYW4XGpBydB4n1feKiGf019znYr%2BYki%2BEEZkJ%2F7gbg%3D HTTP/1.1" 303 1959 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:20 +0200] "GET /login?clear=1 HTTP/1.1" 303 879 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:20 +0200] "GET /login?clear=1 HTTP/1.1" 200 4921 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/deck/css/activity.css?v=2ebc9247-8 HTTP/1.1" 200 928 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/files_pdfviewer/css/style.css?v=4fda350b-8 HTTP/1.1" 200 910 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/css/guest.css?v=4f951eb8-8 HTTP/1.1" 200 6243 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/files_sharing/l10n/de.js?v=4f951eb8-8 HTTP/1.1" 200 5993 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/search/js/search.js?v=4f951eb8-8 HTTP/1.1" 200 2700 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/l10n/de.js?v=4f951eb8-8 HTTP/1.1" 200 19128 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/files_sharing/js/dist/main.js?v=4f951eb8-8 HTTP/1.1" 200 1719 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/files_pdfviewer/js/previewplugin.js?v=4f951eb8-8 HTTP/1.1" 200 2931 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/theming/styles?v=8 HTTP/1.1" 200 1840 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/files_videoplayer/js/main.js?v=4f951eb8-8 HTTP/1.1" 200 3392 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/js/files/fileinfo.js?v=4f951eb8-8 HTTP/1.1" 200 1565 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/search/js/searchprovider.js?v=4f951eb8-8 HTTP/1.1" 200 4431 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/js/files/client.js?v=4f951eb8-8 HTTP/1.1" 200 6408 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /js/core/merged-template-prepend.js?v=4f951eb8-8 HTTP/1.1" 200 4297 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/accessibility/js/accessibility?v=0 HTTP/1.1" 200 951 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/js/dist/login.js?v=4f951eb8-8 HTTP/1.1" 200 229195 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /apps/theming/js/theming?v=8 HTTP/1.1" 200 1130 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /core/js/dist/main.js?v=4f951eb8-8 HTTP/1.1" 200 423540 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:21 +0200] "GET /svg/core/logo/logo?color=fff&v=1 HTTP/1.1" 200 1169 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:22 +0200] "GET /core/img/favicon.ico HTTP/1.1" 200 3884 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"
xxx.xxx.xxx.xxx - - [15/Apr/2020:00:18:22 +0200] "GET /core/img/favicon-touch.png HTTP/1.1" 200 3525 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0"

Nextcloud log (data/nextcloud.log)

Nextcloud log

{"reqId":"lKYXO4j9SrEvPvDGVDpJ","level":3,"time":"2020-04-15T00:18:20+02:00","remoteAddr":"xxx.xxx.xxx.xxx","user":"--","app":"PHP","method":"GET","url":"/logout?requesttoken=vEJgmQniP3UEkDYUF9HDKAocjDxE1t9YtyRByfPKudQ%3D%3AhTYW4XGpBydB4n1feKiGf019znYr%2BYki%2BEEZkJ%2F7gbg%3D","message":"session_start(): A session had already been started - ignoring at /var/www/test-nextcloud/lib/private/Session/Internal.php#209","userAgent":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0","version":"19.0.0.3"}

[cgzones]

OS: Debian Sid
Apache: 2.4.43-1
PHP: 7.4.5-1

{"reqId":"XqHXTWUb@-TAzm7MZj0EaQAAAAg","level":3,"time":"2020-04-23T17:58:37+00:00","remoteAddr":"replaced_ip","user":"--","app":"PHP","method":"GET","url":"/index.php/logout?requesttoken=replaced_token","message":"session_start(): A session had already been started - ignoring at /var/www/sites/nextcloud/lib/private/Session/Internal.php#209","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0","version":"19.0.0.6"}

[MeiRos]

I have this issue too. I opened a thread about it few days ago. There are more information about my setup etc.
https://help.nextcloud.com/t/a-session-had-already-been-started/81037

[axheli]

Im also getting the following on NC 19 RC2 PHP 7.4.6, MYSQL, APACHE2

session_start(): A session had already been started - ignoring at /var/www/nextcloud/lib/private/Session/Internal.php#209

[LHollyfeld]

And again the error in the new 19.0.0 without RCxxxx

{"reqId":"4fyReJxUH3PJwpvKtZDr","level":3,"time":"2020-05-27T10:32:22+02:00","remoteAddr":"192.168.10.180","user":"--","app":"PHP","method":"GET","url":"/nextcloud/index.php/logout?requesttoken=TnYhjbweqYplNl6PSmVlAZSFf0UwA9%2B7WVHSBimyobQ%3D%3AFwVZxc176LoWdxa8MFILZN%2FoJhRpUo3qAB2FMUjiw%2Bc%3D","message":"session_start(): A session had already been started - ignoring at /var/www/nextcloud/lib/private/Session/Internal.php#209","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","version":"19.0.0.12"}

Ubuntu Server 20.04, PHP 7.4.3, MySQL and Apache2. Update from Nextcloud 18.04.

[Ruinenarr]

Got the same problem. Fresh instalation, 19.0.0

[tacruc]

Probably related to: https://github.com/nextcloud/maps/issues/397

[Rob3487]

Same issue , fresh instalation , 19.0.0
Ubuntu 20.04
Apache 2.4.41
PHP 7.3.18

[ml94]

Same issue with fresh instalation too.

Operating system: Ubuntu 20.04
Web server: Nginx
Database: MariaDB
PHP version: 7.4.3
Nextcloud Version: 19.0.0

[returntrip]

This issue happens for me systematically when refreshing/fetching articles from the Nextcloud News for Android:

[PHP] Error: session_start(): A session had already been started - ignoring at /var/www/html/lib/private/Session/Internal.php#209

PUT /index.php/apps/news/api/v1-2/items/read/multiple?
from 10.0.1.1 at 2020-06-08T11:31:16+00:00

System Information

• News app version: 14.1.11
• Nextcloud version: 19 (Docker)

[Rob3487]

Same issue , fresh instalation , 19.0.0
Ubuntu 20.04
Apache 2.4.41
PHP 7.3.18

In my case the behavior turned out to be a database connection issue.
I no longer experience the error.

[Ruinenarr]

Same issue , fresh instalation , 19.0.0
Ubuntu 20.04
Apache 2.4.41
PHP 7.3.18

In my case the behavior turned out to be a database connection issue.
I no longer experience the error.

How did you find the issue? Maybe it could solve it at other installation aswell.

[Rob3487]

I reviewed my stack, re-checking for possiblie issues.

The shortfall for me was that when the nextcloud install process ran, at what point appeard to me to be completion of the install process (1st time install for me), the error displayed was not indicative of the actual problem.
The error reading:

"session_start(): A session had already been started - ignoring at /opt/nextcloud/lib/private/Session/Internal.php#205"

The "nextcloud pre-test for satisfactory resources" (eg.checking for database and php modules) had completed successfully, passing my system as ready for the install.

The nextcloud pre-test for install prerequisits DID correctly identify that I had a suitable database installed (as it had failed previously and I remedied that) , however the nextcloud pre-test did NOT identity that the database php/apache connection was not working, php was not connecting to the database.

The actual problem was that the php/apache database module was not engaing the database (postgresql in my case). In spite of appearing that the nextcloud install had completed resulting with a session() issue, infact the nextcloud install (post-downloading the nextcloud files) must have not even begun, as there was no database connection working at all.

The nextcloud developers and community have done a fantastic job - nextcloud is very impressive! - thanks to all!

PS.
I ended up within this thread as I was lead to this thread from the thread;
"nextcloudcmd fills the logs with "session_start(): A session had already been started - ignoring at /opt/nextcloud/lib/private/Session/Internal.php#205" #17185"

Now that I have identified the source of my issue, perhaps makes sence to move my post here to #17185 .

[d0m1n1q0]

@Rob3487
No offense. Despite my language command, I can't figure out what you are talking about.
Let alone providing a solution.
Cheers

[LgWagon]

Same error here, Nextcloud 19.0.0, ubuntu 16.04.
Lg

[barzog]

Is there any news on that?

[steadybright]

Many occurrences of this error in my Nextcloud logfile:

session_start(): A session had already been started - ignoring at /usr/share/webapps/nextcloud/lib/private/Session/Internal.php#209

Here's my server configuration detail:
### Server configuration detail

Operating system: Linux 5.7.2-arch1-1 #1 SMP PREEMPT Wed, 10 Jun 2020 20:36:24 +0000 x86_64

Webserver: nginx/1.19.0 (fpm-fcgi)

Database: mysql 10.4.13

PHP version: 7.4.7

Modules loaded: Core, date, libxml, openssl, pcre, zlib, ctype, dom, fileinfo, filter, hash, json, mbstring, pcntl, SPL, PDO, apcu, posix, readline, Reflection, session, SimpleXML, standard, tokenizer, xml, xmlreader, xmlwriter, mysqlnd, cgi-fcgi, bcmath, bz2, curl, exif, ftp, gd, gettext, gmp, iconv, imap, intl, mysqli, pdo_mysql, pdo_sqlite, pspell, snmp, sockets, sqlite3, tidy, xmlrpc, xsl, zip, apc, Phar, geoip, igbinary, imagick, pam, redis, smbclient, libsmbclient, Zend OPcache

Nextcloud version: 19.0.0 - 19.0.0.12

Updated from an older Nextcloud/ownCloud or fresh install:

Where did you install Nextcloud from: unknown

Signing status

Array ( )

List of activated apps

Enabled:

• accessibility: 1.5.0
• activity: 2.12.0
• admin_audit: 1.9.0
• apporder: 0.10.0
• bruteforcesettings: 1.6.0
• calendar: 2.0.3
• cloud_federation_api: 1.2.0
• comments: 1.9.0
• contacts: 3.3.0
• contactsinteraction: 1.0.0
• dav: 1.15.0
• deck: 1.0.2
• extract: 1.2.4
• federatedfilesharing: 1.9.0
• federation: 1.9.0
• files: 1.14.0
• files_external: 1.10.0
• files_pdfviewer: 1.8.0
• files_rightclick: 0.16.0
• files_sharing: 1.11.0
• files_trashbin: 1.9.0
• files_versions: 1.12.0
• files_videoplayer: 1.8.0
• firstrunwizard: 2.8.0
• logreader: 2.4.0
• lookup_server_connector: 1.7.0
• nextcloud_announcements: 1.8.0
• notes: 3.5.1
• notifications: 2.7.0
• oauth2: 1.7.0
• password_policy: 1.9.1
• photos: 1.1.0
• privacy: 1.3.0
• provisioning_api: 1.9.0
• recommendations: 0.7.0
• richdocuments: 3.7.0
• serverinfo: 1.9.0
• settings: 1.1.0
• sharebymail: 1.9.0
• support: 1.2.1
• survey_client: 1.7.0
• suspicious_login: 3.1.0
• systemtags: 1.9.0
• tasks: 0.13.1
• text: 3.0.1
• theming: 1.10.0
• twofactor_backupcodes: 1.8.0
• twofactor_totp: 4.1.3
• updatenotification: 1.9.0
• viewer: 1.3.0
• workflowengine: 2.1.0
  Disabled:
• encryption
• files_markdown
• user_ldap

Configuration (config/config.php)

{
"instanceid": "REMOVED SENSITIVE VALUE",
"passwordsalt": "REMOVED SENSITIVE VALUE",
"secret": "REMOVED SENSITIVE VALUE",
"trusted_domains": [
"me.mine.com"
],
"memcache.local": "\OC\Memcache\APCu",
"memcache.distributed": "\OC\Memcache\Redis",
"redis": {
"host": "REMOVED SENSITIVE VALUE",
"port": 0,
"dbindex": 0,
"password": "REMOVED SENSITIVE VALUE",
"timeout": 1.5
},
"memcache.locking": "\OC\Memcache\Redis",
"datadirectory": "REMOVED SENSITIVE VALUE",
"dbtype": "mysql",
"version": "19.0.0.12",
"overwrite.cli.url": "https:\/\/me.mine.com",
"dbname": "REMOVED SENSITIVE VALUE",
"dbhost": "REMOVED SENSITIVE VALUE",
"dbport": "3306",
"dbtableprefix": "yeah_",
"mysql.utf8mb4": true,
"dbuser": "REMOVED SENSITIVE VALUE",
"dbpassword": "REMOVED SENSITIVE VALUE",
"installed": true,
"log_type": "file",
"logfile": "\/var\/log\/nextcloud-error.log",
"loglevel": 3,
"mail_smtpmode": "smtp",
"mail_smtpsecure": "ssl",
"mail_sendmailmode": "smtp",
"mail_from_address": "REMOVED SENSITIVE VALUE",
"mail_domain": "REMOVED SENSITIVE VALUE",
"mail_smtpauthtype": "LOGIN",
"mail_smtpauth": 1,
"mail_smtphost": "REMOVED SENSITIVE VALUE",
"mail_smtpport": "465",
"mail_smtpname": "REMOVED SENSITIVE VALUE",
"mail_smtppassword": "REMOVED SENSITIVE VALUE",
"maintenance": false,
"theme": "",
"app_install_overwrite": [
"files_rightclick",
"files_reader"
]
}

External storages: yes

External storage configuration

No mounts configured

Encryption: no

User-backends:

OC\User\Database

Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36 Edg/83.0.478.45

[HolgerHees]

for me the same happens.

maybe it is an API related problem. It happens for me for the news and the notes native app.

means the web version works fine, but if I start the android apps I get this error.

btw. the native nextcloud app works without any error.

[d0m1n1q0]

btw. the native nextcloud app works without any error.

[d0m1n1q0]

That’s because the app does not log-out

[HolgerHees]

what you mean with logout.

normally you call session_start to create a new session or to resume a session based on submitted session id and you do this on every request.

Why should a app log-out for every new request?

or to rephrase, which kind of bug report should I send to the native apps developers of the news and notes app. Is there any documentation about this changed nextcloud behavior I could forward?

[d0m1n1q0]

Try the following.

Do not logout.
Kill your browser whilst logged-in.
Log-in again
There is no error recorded.

Which is similar to closing the mobile app.

[HolgerHees]

I debugged it a little bit more.

when the error occurs the following happens.

1. session_start is called like always.
2. then, in OC\AppFramework\Middleware\Security\CORSMiddleware->beforeController is called
3. this will call OC\User\Session->logout
4. OC\Session\CryptoSessionData->clear is called
5. OC\Session\Internal->clear is called
   5.1. this will call session_unset() which deletes all php session variables
   5.2. then OC\Session\Internal->regenerateId() which calles session_regenerate_id() which will start and regenerate a new session
   5.3 then OC\Session\Internal->sessionStart() is called which will call session_start() again, which should not happen. Because the session is already started.

to summarize.

I think the function OC\Session\Internal->clear has an error, because it is calling session_regenerate_id followed by a session_start. But session_regenerate_id was already starting the session.

[acsfer]

@HolgerHees thanks, can you make a PR about this for reviewing?

[Dellyjoe]

Hello Everyone,

Why is this still open if a fix has been made. I ended up using @HolgerHees Fix when looking at Internal.php and it seems to be working"?

Is this a temp fix? and the community as a whole are looking into a more permit fix?

Thank you for reading,
Joe

[acsfer]

@Dellyjoe https://github.com/nextcloud/server/pull/22243 is the right fix.

[frlan]

Wondering whether the fix made it to 19.0.1 -- as running that version I still can see them.

[korelstar]

@frlan No, it will be in 19.0.2, see https://github.com/nextcloud/server/pull/22247