[18.0.0 Beta1] Deprecated event type for OCP\IPreview:PreviewRequested

Steps to reproduce

Update from 17.0.1.1 to 18.0.0 Beta1 via web-based updater
Check logs

Expected behaviour

No log flood

Actual behaviour

Secondly the following info log is generated

[no app in context] Info: Deprecated event type for OCP\IPreview:PreviewRequested: Symfony\Component\EventDispatcher\GenericEvent

GET /nextcloud/core/preview?fileId=676196&c=064f1cdb27c480fc2ad58354a4250a5c&x=250&y=250&forceIcon=0
from 95.81.18.51 by Micha at 2019-12-10T13:55:48+01:00

Clearly related to preview generation jobs, probably in combination with the new Photos app replacing Gallery?

But I cannot see further issues that seem to be related.

Server configuration

Operating system: Raspbian Bullseye

Web server: Apache/2.4.41

Database: MariaDB 10.3.20

PHP version: 7.3.12-1

Nextcloud version: 18.0.0 Beta1

Updated from an older Nextcloud/ownCloud or fresh install: 17.0.1.1

Where did you install Nextcloud from: download.nextcloud.com + web-based updater

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

Enabled:
  - activity: 2.11.0
  - apporder: 0.8.0
  - calendar: 2.0.0-beta3
  - cloud_federation_api: 1.1.0
  - contacts: 3.1.6
  - dav: 1.14.0
  - federatedfilesharing: 1.8.0
  - files: 1.13.1
  - files_rightclick: 0.15.1
  - files_trashbin: 1.8.0
  - files_versions: 1.11.0
  - impersonate: 1.4.0
  - logreader: 2.3.0
  - lookup_server_connector: 1.6.0
  - nextcloud_announcements: 1.7.0
  - notes: 3.0.3
  - notifications: 2.6.0
  - oauth2: 1.6.0
  - photos: 19.0.0
  - previewgenerator: 2.2.0
  - provisioning_api: 1.8.0
  - ransomware_protection: 1.5.1
  - settings: 1.0.0
  - survey_client: 1.6.0
  - tasks: 0.11.3
  - twofactor_backupcodes: 1.7.0
  - updatenotification: 1.8.0
  - viewer: 1.2.0
  - workflowengine: 2.0.0
Disabled:
  - accessibility
  - admin_audit
  - comments
  - encryption
  - federation
  - files_external
  - files_pdfviewer
  - files_sharing
  - files_videoplayer
  - firstrunwizard
  - password_policy
  - privacy
  - recommendations
  - serverinfo
  - sharebymail
  - support
  - systemtags
  - text
  - theming
  - user_ldap

Nextcloud configuration:

Config report

{
    "system": {
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "localhost",
            "my.domain.org"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "18.0.0.3",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "filelocking.enabled": true,
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "loglevel": 1,
        "logtimezone": "Europe\/Berlin",
        "trashbin_retention_obligation": "disabled",
        "versions_retention_obligation": "disabled",
        "skeletondirectory": "",
        "defaultapp": "apporder",
        "maintenance": false,
        "overwrite.cli.url": "https:\/\/my.domain.org\/nextcloud",
        "htaccess.RewriteBase": "\/nextcloud",
        "mail_smtpmode": "smtp",
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpsecure": "ssl",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "465",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "theme": "",
        "mysql.utf8mb4": true,
        "updater.release.channel": "beta",
        "tempdirectory": "\/mnt\/sda\/ncdata\/tmp",
        "preview_max_x": "2048",
        "preview_max_y": "2048",
        "jpeg_quality": "60",
        "app_install_overwrite": [
            "apporder",
            "calendar",
            "impersonate",
            "ransomware_protection",
            "contacts"
        ],
        "updater.secret": "***REMOVED SENSITIVE VALUE***"
    }
}

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: Opera developer 67.0.3523.0

Operating system: Windows 10 Pro N 1909 build 18363.476

Logs

Web server error log

nothing related

Nextcloud log (data/nextcloud.log)

Nextcloud log

see above

Browser log

nothing related

Actually such logs show up when accessing several other apps/pages as well. Is this intended, e.g. during Beta phase?

Accessing logs:

[no app in context] Info: Deprecated event type for OCP\AppFramework\Http\TemplateResponse::loadAdditionalScripts: null

GET /nextcloud/settings/admin/logging
from 95.81.18.51 by Micha at 2019-12-10T14:03:03+01:00
...
[no app in context] Info: Deprecated event type for OCP\AppFramework\Http\TemplateResponse::loadAdditionalScriptsLoggedIn: null

GET /nextcloud/settings/admin/logging
from 95.81.18.51 by Micha at 2019-12-10T14:03:03+01:00

Accessing Activity:

[no app in context] Info: Deprecated event type for OCP\AppFramework\Http\TemplateResponse::loadAdditionalScripts: null

GET /nextcloud/apps/activity/
from 95.81.18.51 by Micha at 2019-12-10T13:55:49+01:00

On Tasks and users page as well...

Ah just found the PR which most likely resolves this? #18225
EDIT: Nope!

Probably it is best to omit those logs, so they do not flood the log file?

Hi there, I am affected by this Log.info flood as well

{"reqId":"plymVIQqkJ08Y914rcg4","level":1,"time":"2020-01-14T13:23:15+00:00",
"remoteAddr":"IP","user":"twinkybot","app":"no app in context",
"method":"GET","url":"/index.php/apps/logreader/poll?lastReqId=sKmjNtrkt8O67wefDQm1",
"message": "Deprecated event type for OCA\\User_LDAP\\User\\User::postLDAPBackendAdded: null",
"userAgent":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:72.0) 
Gecko/20100101 Firefox/72.0","version":"18.0.0.9","id":"5e1dc0c38fd21"}

Nextcloud version: 18.0.0 RC2
and LDAP user and group backend version: 1.8.0

@twinkybot

@twinkybot
Jep, everyone is affected, expectedly. Not a state which should be released IMO, especially since currently there are still Nextcloud-internal/core apps affected, but not my decision...

server/lib/private/EventDispatcher/SymfonyAdapter.php

Line 66 in 5bf3d1b

$this->logger->info(

Feel free to open a pull request and suggest to use $this->logger->debug ;)

Reduce legacy event log level to debug

PR is up: #18966

Reduce legacy event log level to debug

PR merged, log level for those kind of messages reduced to debug. This is no solution but the issue is known and it is task of app devs to migrate used event types. I mark this hence as closed.

Anyone with a solution to stop this flood of errors in log?

Deprecated event type for \OCP\Files::postCreate: Symfony\Component\EventDispatcher\GenericEvent
Deprecated event type for \OCP\Files::postWrite: Symfony\Component\EventDispatcher\GenericEvent
Deprecated event type for \OCP\Files::preCreate: Symfony\Component\EventDispatcher\GenericEvent
Deprecated event type for \OCP\Files::preWrite: Symfony\Component\EventDispatcher\GenericEvent

Same here.

20.0.7 and a lot of at Log Level of "Info"
[no app in context] Info: Deprecated event type for OCP\IPreview:PreviewRequested: Symfony\Component\EventDispatcher\GenericEvent is used

Please update to Beta 8, at least it helped in my case.

Well, I disabled previews and found that this is generic error for other things:
OCA\\Files::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCA\\Files_Sharing::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCP\\IDBConnection::CHECK_MISSING_COLUMNS: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCP\\IDBConnection::CHECK_MISSING_INDEXES: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCP\\IDBConnection::CHECK_MISSING_PRIMARY_KEYS: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCP\\IPreview:PreviewRequested: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OCP\\IUser::changeUser: Symfony\\Component\\EventDispatcher\\GenericEvent is used" OC\\AccountManager::userUpdated: Symfony\\Component\\EventDispatcher\\GenericEvent is used" \\OCA\\DAV\\CalDAV\\CalDavBackend::createCalendarObject: Symfony\\Component\\EventDispatcher\\GenericEvent is used" \\OCA\\DAV\\CalDAV\\CalDavBackend::updateCalendar: Symfony\\Component\\EventDispatcher\\GenericEvent is used" \\OCA\\DAV\\CalDAV\\CalDavBackend::updateCalendarObject: Symfony\\Component\\EventDispatcher\\GenericEvent is used" \\OCA\\DAV\\CardDAV\\CardDavBackend::updateCard: Symfony\\Component\\EventDispatcher\\GenericEvent is used" {\"[object] (OCP\\SabrePluginEvent)\":{\"*statusCode\":200

Setting
'loglevel' => 2,
helped in my case.

Ah I totally forgot that I did the same on my system. I can verify the massive deprecation logs (debug and info level) of various types and across various apps.

Could you please open a new issue about those? If related to a specific app, at best at the individual apps repository. On a closed issue this will not get attention, when not being subscribed to it already (like me).

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[18.0.0 Beta1] Deprecated event type for OCP\IPreview:PreviewRequested #18331

Steps to reproduce

Expected behaviour

Actual behaviour

Server configuration

Client configuration

Logs

Web server error log

Nextcloud log (data/nextcloud.log)

Browser log

PR is up: #18966

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[18.0.0 Beta1] Deprecated event type for OCP\IPreview:PreviewRequested #18331

Description

Steps to reproduce

Expected behaviour

Actual behaviour

Server configuration

Client configuration

Logs

Web server error log

Nextcloud log (data/nextcloud.log)

Browser log

Activity

MichaIng commented on Dec 10, 2019

MichaIng commented on Dec 10, 2019

twinkybot commented on Jan 14, 2020

MichaIng commented on Jan 14, 2020

kesselb commented on Jan 14, 2020

MichaIng commented on Jan 18, 2020

PR is up: #18966

MichaIng commented on Feb 20, 2020

puntorosso commented on Nov 11, 2020

tomsozolins commented on Jan 11, 2021

fishfish-fish commented on Feb 3, 2021

MichaIng commented on Feb 3, 2021

fishfish-fish commented on Feb 3, 2021

fishfish-fish commented on Feb 3, 2021

MichaIng commented on Feb 3, 2021

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