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Error flood: PHP error - Narrowing occurred during type inference #7380

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Error flood: PHP error - Narrowing occurred during type inference#7380

Description

@Schmuuu
Schmuuu
opened on Dec 3, 2017

Steps to reproduce

  1. upgrade PHP to version 7.1.12
  2. (restart web server)
  3. wait about 10 minutes and check the nextcloud logs

Expected behaviour

No error messages ;)

Actual behaviour

After the automatic system updates which updated the following PHP packages last month:
php-7.1.12-1
php-fpm-7.1.12-1
php-gd-7.1.12-1
php-intl-7.1.12-1

there are regular error messages in the logs that occur sometimes every 5 and sometimes every 10 minutes:
Error PHP
Narrowing occurred during type inference. Please file a bug report on bugs.php.net at /var/www/nextcloud/lib/composer/composer/ClassLoader.php#444
2017-12-03T20:45:01+0100

There are some more users affected right now:
https://help.nextcloud.com/t/php-error-narrowing-occurred-during-type-inference/24010

Server configuration detail

Operating system: Linux 4.9.64-1-lts #1 SMP Tue Nov 21 17:36:06 CET 2017 x86_64

Webserver: nginx/1.12.2 (fpm-fcgi)

Database: mysql 10.1.29

PHP version: 7.1.12
Modules loaded: Core, date, libxml, openssl, pcre, zlib, ctype, dom, fileinfo, filter, hash, json, mbstring, pcntl, SPL, PDO, bz2, posix, readline, Reflection, session, SimpleXML, standard, tokenizer, xml, xmlreader, xmlwriter, mysqlnd, cgi-fcgi, Phar, curl, exif, ftp, gd, gmp, intl, iconv, pdo_mysql, zip, apcu, memcache, Zend OPcache

Nextcloud version: 12.0.3 - 12.0.3.3
Latest version from stable release 12.0.3

Updated from an older Nextcloud/ownCloud or fresh install:
Fresh installation

Where did you install Nextcloud from:
Downloaded from nextcloud.com

Signing status

Array

List of activated apps 
Enabled:
 - activity: 2.5.2
 - admin_audit: 1.2.0
 - admin_notifications: 1.0.1
 - announcementcenter: 3.1.1
 - apporder: 0.4.0
 - audioplayer: 2.2.1
 - bookmarks: 0.10.1
 - bruteforcesettings: 1.0.2
 - calendar: 1.5.6
 - caniupdate: 0.1.1
 - checksum: 0.3.5
 - circles: 0.13.6
 - cms_pico: 0.9.6
 - comments: 1.2.0
 - contacts: 2.0.1
 - dashboard: 4.0.5
 - dav: 1.3.0
 - deck: 0.2.8
 - drawio: 0.8.8
 - external: 2.0.3
 - federatedfilesharing: 1.2.0
 - federation: 1.2.0
 - files: 1.7.2
 - files_accesscontrol: 1.2.5
 - files_automatedtagging: 1.2.2
 - files_clipboard: 0.6.4
 - files_downloadactivity: 1.1.1
 - files_external: 1.3.0
 - files_markdown: 2.0.1
 - files_pdfviewer: 1.1.1
 - files_reader: 1.0.4
 - files_retention: 1.1.2
 - files_sharing: 1.4.0
 - files_texteditor: 2.4.1
 - files_trashbin: 1.2.0
 - files_versions: 1.5.0
 - files_videoplayer: 1.1.0
 - firstrunwizard: 2.1
 - gallery: 17.0.0
 - groupfolders: 1.1.0
 - issuetemplate: 0.3.0
 - logreader: 2.0.0
 - lookup_server_connector: 1.0.0
 - mail: 0.7.5
 - metadata: 0.6.0
 - nextcloud_announcements: 1.1
 - notes: 2.3.1
 - notifications: 2.0.0
 - oauth2: 1.0.5
 - ojsxc: 3.3.2
 - onlyoffice: 1.1.6
 - passman: 2.1.4
 - password_policy: 1.2.2
 - polls: 0.8.0
 - provisioning_api: 1.2.0
 - quota_warning: 1.1.1
 - ransomware_protection: 1.0.5
 - serverinfo: 1.2.0
 - sharebymail: 1.2.0
 - sharerenamer: 1.1
 - socialsharing_email: 1.0.1
 - spreed: 2.0.2
 - systemtags: 1.2.0
 - tasks: 0.9.5
 - telephoneprovider: 1.0.0
 - theming: 1.3.0
 - twofactor_backupcodes: 1.1.1
 - twofactor_totp: 1.3.1
 - updatenotification: 1.2.0
 - user_usage_report: 1.0.1
 - workflowengine: 1.2.0
Disabled:
 - encryption
 - files_frommail
 - impersonate
 - survey_client
 - user_external
 - user_ldap
Configuration (config/config.php) 
{
    "instanceid": "oc4679w80k55",
    "passwordsalt": "***REMOVED SENSITIVE VALUE***",
    "secret": "***REMOVED SENSITIVE VALUE***",
    "trusted_domains": [
        "***REMOVED SENSITIVE VALUE***",
        "192.168.11.10",
        "localhost"
    ],
    "datadirectory": "\/var\/ncdata",
    "dbtype": "mysql",
    "dbname": "nextcloud_db",
    "dbhost": "localhost:3306",
    "dbport": "",
    "dbtableprefix": "oc_",
    "dbuser": "***REMOVED SENSITIVE VALUE***",
    "dbpassword": "***REMOVED SENSITIVE VALUE***",
    "version": "12.0.3.3",
    "logtimezone": "Europe\/Berlin",
    "appstore.experimental.enabled": true,
    "appstoreenabled": true,
    "appstoreurl": "https:\/\/api.nextcloud.com\/v1",
    "mail_smtpmode": "smtp",
    "mail_smtpauth": 1,
    "mail_smtpport": "587",
    "mail_smtphost": "smtp.web.de",
    "mail_smtpauthtype": "LOGIN",
    "mail_from_address": "***REMOVED SENSITIVE VALUE***",
    "mail_domain": "web.de",
    "mail_smtpsecure": "tls",
    "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
    "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
    "preview_libreoffice_path": "\/usr\/bin\/libreoffice",
    "enabledPreviewProviders": [
        "OC\\Preview\\PNG",
        "OC\\Preview\\JPEG",
        "OC\\Preview\\GIF",
        "OC\\Preview\\BMP",
        "OC\\Preview\\XBitmap",
        "OC\\Preview\\MP3",
        "OC\\Preview\\TXT",
        "OC\\Preview\\MarkDown",
        "OC\\Preview\\TIFF"
    ],
    "filelocking.enabled": true,
    "memcache.local": "\\OC\\Memcache\\APCu",
    "memcache.locking": "\\OC\\Memcache\\Redis",
    "redis": {
        "host": "\/var\/lib\/redis\/redis.sock",
        "port": 0,
        "timeout": 0,
        "dbindex": 0
    },
    "maintenance": false,
    "updater.server.url": "https:\/\/updates.nextcloud.com\/updater_server\/",
    "updater.release.channel": "stable",
    "loglevel": 3,
    "theme": "",
    "installed": true,
    "overwrite.cli.url": "***REMOVED SENSITIVE VALUE***"
}

Are you using external storage, if yes which one: Yes, locally mounted SMB shares

Are you using encryption: no

Are you using an external user-backend, if yes which one: Webdav

Client configuration

Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299

Operating system:
Windows 10; 1709

Logs

Nextcloud log 
{"reqId":"5pJseUBSBm9ENOvtB99j","level":3,"time":"2017-12-03T20:20:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"VitvljSiB6OErAdsPblo","level":3,"time":"2017-12-03T20:30:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"JTXhEtHJelOhG5PE4d80","level":3,"time":"2017-12-03T20:30:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"UaRGfdb9hcWsD7nRLk61","level":3,"time":"2017-12-03T20:40:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"7SH4N4tdlNVRtP3jkV6d","level":3,"time":"2017-12-03T20:45:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"KamUT5Vbw0pGGhhq21re","level":3,"time":"2017-12-03T20:48:11+01:00","remoteAddr":"192.168.11.200","user":"admininistrator","app":"no app in context","method":"POST","url":"\/index.php\/settings\/ajax\/enableapp.php","message":"issuetemplate","userAgent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.36 Edge\/16.16299","version":"12.0.3.3"}
{"reqId":"5Tpf3O1ZU9DFdglUKnXm","level":3,"time":"2017-12-03T20:48:14+01:00","remoteAddr":"192.168.11.200","user":"admininistrator","app":"no app in context","method":"GET","url":"\/settings\/admin","message":"issuetemplate","userAgent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.36 Edge\/16.16299","version":"12.0.3.3"}
{"reqId":"R8dpPUOZkizA3lyRi0SR","level":3,"time":"2017-12-03T20:48:16+01:00","remoteAddr":"192.168.11.200","user":"admininistrator","app":"no app in context","method":"GET","url":"\/settings\/admin\/issuetemplate","message":"issuetemplate","userAgent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.36 Edge\/16.16299","version":"12.0.3.3"}
{"reqId":"R8dpPUOZkizA3lyRi0SR","level":3,"time":"2017-12-03T20:48:16+01:00","remoteAddr":"192.168.11.200","user":"admininistrator","app":"PHP","method":"GET","url":"\/settings\/admin\/issuetemplate","message":"Array to string conversion at \/var\/www\/nextcloud\/apps\/issuetemplate\/lib\/DetailManager.php#104","userAgent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.36 Edge\/16.16299","version":"12.0.3.3"}
{"reqId":"olPvzLidHICqj5zJTfXr","level":3,"time":"2017-12-03T20:50:01+01:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Narrowing occurred during type inference. Please file a bug report on bugs.php.net at \/var\/www\/nextcloud\/lib\/composer\/composer\/ClassLoader.php#444","userAgent":"--","version":"12.0.3.3"}
{"reqId":"nhlzY8uFxeEqQryiLxXI","level":3,"time":"2017-12-03T20:50:53+01:00","remoteAddr":"192.168.11.200","user":"admininistrator","app":"no app in context","method":"GET","url":"\/settings\/admin\/logging","message":"issuetemplate","userAgent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.36 Edge\/16.16299","version":"12.0.3.3"}

Activity

  1. Wikinaut commented on Dec 6, 2017

    @Wikinaut
    Wikinaut
    on Dec 6, 2017
    Contributor

    needs urgently to be fixed

  2. Tsuroerusu commented on Dec 6, 2017

    @Tsuroerusu
    Tsuroerusu
    on Dec 6, 2017

    I agree with @Wikinaut , I am also seeing this in my server logs, it is completely out of control. I would go so far as to say that a hotfix-release ought to be issued to deal with this.

  3. thebeline commented on Dec 7, 2017

    @thebeline
    thebeline
    on Dec 7, 2017

    Same here, fresh install of NextCloud and PHP7.1 yesterday, and it's really flooding in. Not sure how dangerous it is, but considering I do not have opcacheing on at the moment, I am getting a deluge of these...

  4. Tsuroerusu commented on Dec 8, 2017

    @Tsuroerusu
    Tsuroerusu
    on Dec 8, 2017

    This seems to be a bug in PHP 7.1.12 and not in Nextcloud:
    https://bugs.php.net/bug.php?id=75570
    https://bugs.php.net/bug.php?id=75608

    Looking at the changelogs for PHP itself, this shoud be fixed in 7.1.13 which comes out in January:
    "- Opcache:
    . Fixed bug #75608 ("Narrowing occurred during type inference" error).
    (Laruence, Dmitry)
    . Fixed bug #75570 ("Narrowing occurred during type inference" error).
    (Dmitry)"
    Source: https://raw.githubusercontent.com/php/php-src/PHP-7.1/NEWS

    The fix seems to be from this commit:
    php/php-src@776bef8

    So I guess the only solution at the moment is to manually compile PHP with that fix or use the RC1 of 7.1.13.

    One thing that would be nice is if the Nextcloud logs could be pruned by the type of error, so that this mess caused to my log files by PHP 7.1.12 could be flushed down the drain.

  5. acao commented on Dec 8, 2017

    @acao
    acao
    on Dec 8, 2017

    FYI, we had this bug in another PHP application I was working on (magento 2.2), and temporarily reverting to 7.1.11 worked as well, if that's an option.

  6. Jilco commented on Dec 9, 2017

    @Jilco
    Jilco
    on Dec 9, 2017

    Same here, reported:
    magento/magento2#12551
    workaround:
    https://stackoverflow.com/questions/47656426/magento-2-2-1-unable-to-save-product-error-narrowing-occurred-during-type-infe

  7. t-zuehlsdorff commented on Dec 14, 2017

    @t-zuehlsdorff
    t-zuehlsdorff
    on Dec 14, 2017

    Aloha,
    i'm the PHP maintainer for FreeBSD. I just committed the patches of the PHP team so everyone using FreeBSD will get rid of the error by an update of www/php71-opcache :)
    Greetings,
    Torsten

  8. MorrisJobke commented on Dec 15, 2017

    @MorrisJobke
    MorrisJobke
    on Dec 15, 2017
    Member

    This needs an update of the underlying PHP package. Sadly we can't do anything here. Sorry :(

    Please reach out to the maintainers of the PHP package that you use.

  9. MorrisJobke
    closed this as completedon Dec 15, 2017

  10. snapper87 commented on Dec 15, 2017

    @snapper87
    snapper87
    on Dec 15, 2017

    Fix is already available upstream. Backported to ondrej's ppa already. https://launchpad.net/~ondrej/+archive/ubuntu/php

  11. haroonahmad194 commented on Dec 18, 2017

    @haroonahmad194
    haroonahmad194
    on Dec 18, 2017

    Warning: Narrowing occurred during type inference. Please file a bug report on bugs.php.net in /home/kmccoy42/public_html/plazafitnessperformance.com/wp-content/plugins/LayerSlider/layerslider.php on line 64
    I am getting this issue on my website which was recently moved to a new server. How can i fix this issue ??

  12. Tsuroerusu commented on Dec 18, 2017

    @Tsuroerusu
    Tsuroerusu
    on Dec 18, 2017

    @haroonahmad194 The problem is caused by the server using PHP 7.1.12 which has a bug that causes this error. There is nothing to do except asking the server administrator to either downgrade to 7.1.11 or build and install a custom 7.1.12 with the relevant patches. If the server is running FreeBSD, an update should be available within a few days, I think.

  13. joekerna commented on Dec 18, 2017

    @joekerna
    joekerna
    on Dec 18, 2017

    Fix is already available upstream. Backported to ondrej's ppa already. https://launchpad.net/~ondrej/+archive/ubuntu/php

    This fixed the issue for me

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