[Bug] Error "Lost connection to signaling server. Trying to reconnect." on signaling timeout
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Nobody has claimed this yet.
bug
feature: signaling 📶
needs info
- Dominant language
- JavaScript
- Stars
- 2.2k
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- 333
Description
[!TIP]
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Steps to reproduce
- Open conversation in Talk
- Wait
Expected behaviour
Not much
Actual behaviour
The following error is shown:
Lost connection to signaling server. Trying to reconnect.
Talk app
Talk app version: 22.0.10
Custom Signaling server configured: no
Custom TURN server configured: yes, tried it without
Custom STUN server configured: yes, tried it without
Browser
Microphone available: yes
Camera available: yes
Operating system: macOS
Browser name: Zen
Browser version: 1.19.5b (Firefox 149.0) (aarch64)
Browser log
In the network log the URL /ocs/v2.php/apps/spreed/api/v3/signaling/$ROOM_ID is called repeatedly.
The first time the response is without issues and contains JSON.
All subsequent requests contain this:
<html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
The only difference I could find is the Header TE: trailers.
Server configuration
Operating system: Debian
Web server: Apache with Caddy Reverse Proxy in front
Database: MariaDB
PHP version: 8.3.30
Nextcloud Version: 32.0.7
List of activated apps:
Enabled:
- activity: 5.0.0
- admin_audit: 1.22.0
- announcementbanner: 2.4.2
- announcementcenter: 7.3.0
- bruteforcesettings: 5.0.0
- calendar: 6.2.1
- camerarawpreviews: 0.8.8
- checksum: 2.0.3
- circles: 32.0.0
- cloud_federation_api: 1.16.0
- collectives: 4.2.0
- comments: 1.22.0
- contacts: 8.3.6
- cospend: 3.2.0
- dashboard: 7.12.0
- data_request: 4.0.1
- dav: 1.34.2
- deck: 1.16.3
- drawio: 4.1.4
- event_update_notification: 2.8.0
- federatedfilesharing: 1.22.0
- federation: 1.22.0
- files: 2.4.0
- files_accesscontrol: 3.0.2
- files_downloadlimit: 5.0.0-dev.0
- files_linkeditor: 1.1.24
- files_pdfviewer: 5.0.0
- files_reminders: 1.5.0
- files_sharing: 1.24.1
- files_trashbin: 1.22.0
- files_versions: 1.25.0
- forms: 5.2.5
- groupfolders: 20.1.12
- impersonate: 3.0.1
- integration_google: 4.3.0
- jsloader: 2.0.0
- keeweb: 0.6.22
- logreader: 5.0.0
- lookup_server_connector: 1.20.0
- mail: 5.7.5
- metadata: 0.23.0
- nextcloud_announcements: 4.0.0
- notes: 4.13.1
- notifications: 5.0.0
- notify_push: 1.3.1
- oauth2: 1.20.0
- password_policy: 4.0.0
- passwords: 2026.3.20
- passwords_handbook: 2026.3.20
- photos: 5.0.0
- polls: 8.6.3
- privacy: 4.0.0
- profile: 1.1.0
- provisioning_api: 1.22.0
- quota_warning: 1.23.0
- recommendations: 5.0.0
- registration: 2.9.0
- related_resources: 3.0.0
- richdocuments: 9.0.5
- serverinfo: 4.0.0
- settings: 1.15.1
- sharebymail: 1.22.0
- spreed: 22.0.10
- suspicious_login: 10.0.0
- tasks: 0.17.1
- text: 6.0.1
- theming: 2.7.0
- theming_customcss: 1.20.0
- twofactor_admin: 4.11.1
- twofactor_backupcodes: 1.21.0
- twofactor_email: 2.8.5
- twofactor_nextcloud_notification: 6.0.0
- twofactor_totp: 14.0.0
- twofactor_webauthn: 2.6.0
- updatenotification: 1.22.0
- user_migration: 10.1.0
- user_retention: 1.16.0
- user_usage_report: 3.0.0
- viewer: 5.0.0
- weather_status: 1.12.0
- welcome: 1.4.0
- workflowengine: 2.14.0
Disabled:
- app_api: 32.0.0 (installed 32.0.0)
- audioplayer: 3.8.0 (installed 3.8.0)
- bookmarks: 16.1.3 (installed 16.1.3)
- contactsinteraction: 1.13.1 (installed 1.9.0)
- encryption: 2.20.0 (installed 2.16.0)
- files_external: 1.24.1 (installed 1.19.0)
- files_photospheres: 1.32.0 (installed 1.32.0)
- firstrunwizard: 5.0.0 (installed 4.0.0)
- google_synchronization: 4.1.0 (installed 4.1.0)
- group_everyone: 0.1.19 (installed 0.1.19)
- integration_discourse: 3.2.0 (installed 3.2.0)
- integration_mattermost: 2.1.1 (installed 2.1.1)
- issuetemplate: 0.7.0 (installed 0.7.0)
- maps: 1.6.0 (installed 1.6.0)
- sentry: 8.18.1 (installed 8.18.1)
- sharelisting: 1.3.0 (installed 1.3.0)
- support: 4.0.0 (installed 1.10.0)
- survey_client: 4.0.0 (installed 2.0.0)
- systemtags: 1.22.0 (installed 1.17.0)
- thesearchpage: 2.1.2 (installed 2.1.2)
- user_ldap: 1.23.0 (installed 1.17.0)
- user_status: 1.12.0 (installed 1.8.1)
- webhook_listeners: 1.3.0 (installed 1.1.0-dev)
Nextcloud configuration:
{
"system": {
"instanceid": "***REMOVED SENSITIVE VALUE***",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"example.com",
"cloud.example.com"
],
"trusted_proxies": "***REMOVED SENSITIVE VALUE***",
"version": "32.0.7.1",
"dbtype": "mysql",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"forcessl": true,
"logtimezone": "Europe\/Berlin",
"log_rotate_size": 104857600,
"overwrite.cli.url": "https:\/\/cloud.freiheitswolke.org\/",
"skeletondirectory": "",
"auth.bruteforce.protection.enabled": true,
"check_for_working_webdav": true,
"maintenance": false,
"loglevel": 0,
"debug": false,
"apps_paths": [
{
"path": "\/var\/www\/html\/apps",
"url": "\/apps",
"writable": false
},
{
"path": "\/var\/www\/html\/custom_apps",
"url": "\/custom_apps",
"writable": true
}
],
"filelocking.enabled": true,
"filelocking.ttl": 3600,
"filelocking.debug": false,
"updater.release.channel": "stable",
"mysql.utf8mb4": true,
"theme": "",
"sentry.dsn": "***REMOVED SENSITIVE VALUE***",
"sentry.public-dsn": "***REMOVED SENSITIVE VALUE***",
"sentry.csp-report-url": "***REMOVED SENSITIVE VALUE***",
"trashbin_retention_obligation": "auto,30",
"versions_retention_obligation": "auto,180",
"activity_expire_days": 180,
"sentry.minimum.log.level": 3,
"enabledPreviewProviders": [
"OC\\Preview\\BMP",
"OC\\Preview\\GIF",
"OC\\Preview\\HEIC",
"OC\\Preview\\JPEG",
"OC\\Preview\\Krita",
"OC\\Preview\\MarkDown",
"OC\\Preview\\MP3",
"OC\\Preview\\OpenDocument",
"OC\\Preview\\PNG",
"OC\\Preview\\TXT",
"OC\\Preview\\XBitmap",
"OC\\Preview\\Movie",
"OC\\Preview\\Imaginary"
],
"preview_format": "webp",
"encryption.legacy_format_support": false,
"htaccess.RewriteBase": "\/",
"htaccess.IgnoreFrontController": true,
"memcache.local": "\\OC\\Memcache\\APCu",
"memcache.distributed": "\\OC\\Memcache\\Redis",
"memcache.locking": "\\OC\\Memcache\\Redis",
"overwriteprotocol": "https",
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"password": "***REMOVED SENSITIVE VALUE***",
"port": 6379
},
"default_phone_region": "DE",
"data-fingerprint": "0a71252cc297829dce9353d8d0677157",
"maintenance_window_start": 1,
"preview_imaginary_url": "***REMOVED SENSITIVE VALUE***",
"config_is_read_only": false,
"memories.exiftool": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/exiftool-amd64-glibc",
"memories.vod.path": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/go-vod-amd64",
"memories.vod.ffmpeg": "\/usr\/bin\/ffmpeg",
"memories.vod.ffprobe": "\/usr\/bin\/ffprobe",
"session_lifetime": 86400,
"remember_login_cookie_lifetime": 1296000,
"session_keepalive": true,
"enable_email": false,
"defaultapp": "dashboard,activity,announcementcenter,files,photos,collectives,notes,contacts,calendar,deck,tasks,mail,forms,polls,keeweb,passwords,cospend",
"reference_opengraph": false,
"forbidden_filename_characters": [
"\\",
"\/"
],
"forbidden_filename_extensions": [
".filepart",
".part"
],
"mail_smtpmode": "smtp",
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpport": "465",
"mail_smtpsecure": "ssl",
"mail_smtpauth": true,
"mail_smtpauthtype": "LOGIN",
"mail_smtpname": "***REMOVED SENSITIVE VALUE***",
"mail_smtptimeout": 10,
"mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
"files.chunked_upload.max_size": 104857600
}
}
Server log (data/nextcloud.log)
The only related logs I could find where these:
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"serverDI","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\IServerContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"serverDI"}}
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"serverDI","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\IServerContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"serverDI"}}
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"serverDI","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\IServerContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"serverDI"}}
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"dav","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\AppFramework\\IAppContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"dav"}}
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"dav","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\AppFramework\\IAppContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"dav"}}
{"reqId":"OFMp31ehfvcgAgMgax5P","level":0,"time":"2026-03-30T01:33:49+02:00","remoteAddr":"***REMOVED SENSITIVE VALUE***","user":"***REMOVED SENSITIVE VALUE***","app":"serverDI","method":"GET","url":"/ocs/v2.php/apps/spreed/api/v3/signaling/xwk4rtgj","scriptName":"/ocs/v2.php","message":"The requested alias \"OCP\\IServerContainer\" is deprecated. Please request \"Psr\\Container\\ContainerInterface\" directly. This alias will be removed in a future Nextcloud version.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.7.1","data":{"app":"serverDI"}}
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue in the Talk conversation and inspect repeated requests to /ocs/v2.php/apps/spreed/api/v3/signaling/$ROOM_ID. Compare the successful first response with later 504 responses, including the TE: trailers header, through the Apache and Caddy setup. Done means the signaling connection no longer reports a timeout under the reported conditions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- apache, javascript, mariadb, php
- Domain
- api, backend, networking
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100