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"Connection to server lost" error when uploading/downloading large files #4678

@logomancer

Description

@logomancer

Steps to reproduce

  1. Log in to Nextcloud instance.
  2. Attempt to upload a large (>10MB) file.

Expected behaviour

File should be uploaded and stored in the directory of the user's file share.

Actual behaviour

Uploaded ceases abruptly with a "connection to server lost" error.

This error has also been seen when downloading large files to an Android device, and sporadically when listing files or using the News app.

Server configuration

Operating system: Debian jessie

Web server: nginx 1.13.0 (based on Docker image wonderfall/nginx-php)

Database: MariaDB 10.1.22+maria-1~jessie (based on Docker image mariadb)

PHP version: 7.1.4 (based on Docker image wonderfall/nginx-php)

Nextcloud version: 12.0.0 (but also seen on 11.2 and 11.3)

Redis version: 3.2.8 (based on Docker image redis:alpine)

Updated from an older Nextcloud/ownCloud or fresh install: Upgraded from older version, but verified present on clean install of 11.3.

Where did you install Nextcloud from: Docker container based on wonderfall/nextcloud:12.0

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list
Enabled:
  - calendar: 1.5.2
  - contacts: 1.5.3
  - dav: 1.3.0
  - federatedfilesharing: 1.2.0
  - federation: 1.2.0
  - files: 1.7.2
  - files_markdown: 1.0.1
  - files_opds: 0.8.2
  - files_pdfviewer: 1.1.1
  - files_reader: 1.0.4
  - 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
  - gallery: 17.0.0
  - logreader: 2.0.0
  - lookup_server_connector: 1.0.0
  - news: 10.2.0
  - nextcloud_announcements: 1.1
  - notifications: 2.0.0
  - provisioning_api: 1.2.0
  - serverinfo: 1.2.0
  - sharebymail: 1.2.0
  - survey_client: 1.0.0
  - tasks: 0.9.5
  - theming: 1.3.0
  - twofactor_backupcodes: 1.1.0
  - updatenotification: 1.2.0
  - workflowengine: 1.2.0
Disabled:
  - activity
  - admin_audit
  - audioplayer
  - comments
  - encryption
  - external
  - files_external
  - firstrunwizard
  - password_policy
  - systemtags
  - user_external
  - user_ldap

Nextcloud configuration:

Config report
{
    "system": {
        "datadirectory": "\/data",
        "apps_paths": [
            {
                "path": "\/nextcloud\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/apps2",
                "url": "\/apps2",
                "writable": true
            }
        ],
        "memcache.local": "\\OC\\Memcache\\APCu",
        "redis": {
            "host": "redis",
            "port": 6379
        },
        "instanceid": "ocadc83b19e7",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "localhost",
            "nebula.logomancy.net"
        ],
        "overwrite.cli.url": "https:\/\/nebula.logomancy.net",
        "dbtype": "mysql",
        "version": "12.0.0.16",
        "dbname": "nextcloud",
        "dbhost": "db",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "logtimezone": "America\/New_York",
        "installed": true,
        "mail_from_address": "raven",
        "logdateformat": "Y-m-d H:i:s",
        "mail_smtpmode": "smtp",
        "appstoreenabled": true,
        "appstoreurl": "https:\/\/apps.nextcloud.com\/api\/v0",
        "appstore.experimental.enabled": true,
        "enabledPreviewProviders": [
            "OC\\Preview\\Image",
            "OC\\Preview\\MP3",
            "OC\\Preview\\TXT",
            "OC\\Preview\\MarkDown",
            "OC\\Preview\\Epub",
            "OC\\Preview\\PDF"
        ],
        "maintenance": false,
        "loglevel": 2,
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "mail_domain": "logomancy.net",
        "mail_smtpauth": 1,
        "mail_smtpauthtype": "PLAIN",
        "mail_smtphost": "surkesh.logomancy.net",
        "mail_smtpport": "587",
        "mail_smtpsecure": "tls",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "theme": ""
    }
}

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: Pale Moon 27.2.1 (also seen with Firefox 53.0)

Operating system: Manjaro Linux

Logs

Web server error log

Web server error log

No errors present in error log.

Nextcloud log (data/nextcloud.log)

Nextcloud log
{"reqId":"hx176ARwQ1Bhblp4CL5F","level":4,"time":"2017-05-03 11:48:20","remoteAddr":"172.19.0.1","user":"andrew","app":"webdav","method":"PUT","url":"\/remote.php\/webdav\/Documents\/Books\/RPG\/7th%20Sea\/NationsofTheah_Vol1_LowRes_DT_2017_04_14.pdf","message":"Exception: {\"Message\":\"HTTP\\\/1.1 400 expected filesize 17713100 got 3973120\",\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\BadRequest\",\"Code\":0,\"Trace\":\"#0 \\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/Directory.php(149): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\File->put(Resource id #11)\\n#1 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(1095): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\Directory->createFile('NationsofTheah_...', Resource id #11)\\n#2 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(525): Sabre\\\\DAV\\\\Server->createFile('Documents\\\/Books...', Resource id #11, NULL)\\n#3 [internal function]: Sabre\\\\DAV\\\\CorePlugin->httpPut(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#4 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/event\\\/lib\\\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\\n#5 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(479): Sabre\\\\Event\\\\EventEmitter->emit('method:PUT', Array)\\n#6 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(254): Sabre\\\\DAV\\\\Server->invokeMethod(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#7 \\\/nextcloud\\\/apps\\\/dav\\\/appinfo\\\/v1\\\/webdav.php(63): Sabre\\\\DAV\\\\Server->exec()\\n#8 \\\/nextcloud\\\/remote.php(162): require_once('\\\/nextcloud\\\/apps...')\\n#9 {main}\",\"File\":\"\\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/File.php\",\"Line\":151,\"User\":\"andrew\"}","userAgent":"Mozilla\/5.0 (X11; Linux x86_64; rv:45.9) Gecko\/20100101 Goanna\/3.2 Firefox\/45.9 PaleMoon\/27.2.1","version":"12.0.0.16"}
{"reqId":"GjyDVppUULr0Xuq3eUIb","level":4,"time":"2017-05-03 11:50:49","remoteAddr":"172.19.0.1","user":"andrew","app":"webdav","method":"PUT","url":"\/remote.php\/webdav\/Documents\/Books\/RPG\/7th%20Sea\/NationsofTheah_Vol1_LowRes_DT_2017_04_14.pdf","message":"Exception: {\"Message\":\"HTTP\\\/1.1 400 expected filesize 17713100 got 3104768\",\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\BadRequest\",\"Code\":0,\"Trace\":\"#0 \\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/Directory.php(149): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\File->put(Resource id #11)\\n#1 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(1095): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\Directory->createFile('NationsofTheah_...', Resource id #11)\\n#2 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(525): Sabre\\\\DAV\\\\Server->createFile('Documents\\\/Books...', Resource id #11, NULL)\\n#3 [internal function]: Sabre\\\\DAV\\\\CorePlugin->httpPut(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#4 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/event\\\/lib\\\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\\n#5 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(479): Sabre\\\\Event\\\\EventEmitter->emit('method:PUT', Array)\\n#6 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(254): Sabre\\\\DAV\\\\Server->invokeMethod(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#7 \\\/nextcloud\\\/apps\\\/dav\\\/appinfo\\\/v1\\\/webdav.php(63): Sabre\\\\DAV\\\\Server->exec()\\n#8 \\\/nextcloud\\\/remote.php(162): require_once('\\\/nextcloud\\\/apps...')\\n#9 {main}\",\"File\":\"\\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/File.php\",\"Line\":151,\"User\":\"andrew\"}","userAgent":"Mozilla\/5.0 (X11; Linux x86_64; rv:45.9) Gecko\/20100101 Goanna\/3.2 Firefox\/45.9 PaleMoon\/27.2.1","version":"12.0.0.16"}
{"reqId":"ZGcP4vsGV0MbQvdtSsFh","level":4,"time":"2017-05-03 12:17:36","remoteAddr":"172.19.0.1","user":"andrew","app":"webdav","method":"PUT","url":"\/remote.php\/webdav\/Documents\/Books\/RPG\/7th%20Sea\/NationsofTheah_Vol1_LowRes_DT_2017_04_14.pdf","message":"Exception: {\"Message\":\"HTTP\\\/1.1 400 expected filesize 17713100 got 15310848\",\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\BadRequest\",\"Code\":0,\"Trace\":\"#0 \\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/Directory.php(149): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\File->put(Resource id #11)\\n#1 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(1095): OCA\\\\DAV\\\\Connector\\\\Sabre\\\\Directory->createFile('NationsofTheah_...', Resource id #11)\\n#2 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(525): Sabre\\\\DAV\\\\Server->createFile('Documents\\\/Books...', Resource id #11, NULL)\\n#3 [internal function]: Sabre\\\\DAV\\\\CorePlugin->httpPut(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#4 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/event\\\/lib\\\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\\n#5 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(479): Sabre\\\\Event\\\\EventEmitter->emit('method:PUT', Array)\\n#6 \\\/nextcloud\\\/3rdparty\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(254): Sabre\\\\DAV\\\\Server->invokeMethod(Object(Sabre\\\\HTTP\\\\Request), Object(Sabre\\\\HTTP\\\\Response))\\n#7 \\\/nextcloud\\\/apps\\\/dav\\\/appinfo\\\/v1\\\/webdav.php(63): Sabre\\\\DAV\\\\Server->exec()\\n#8 \\\/nextcloud\\\/remote.php(162): require_once('\\\/nextcloud\\\/apps...')\\n#9 {main}\",\"File\":\"\\\/nextcloud\\\/apps\\\/dav\\\/lib\\\/Connector\\\/Sabre\\\/File.php\",\"Line\":151,\"User\":\"andrew\"}","userAgent":"Mozilla\/5.0 (X11; Linux x86_64; rv:45.9) Gecko\/20100101 Goanna\/3.2 Firefox\/45.9 PaleMoon\/27.2.1","version":"12.0.0.16"}
{"reqId":"3XJP3GQ2Pi4nuS9YtXUH","level":3,"time":"2017-05-03 12:20:08","remoteAddr":"172.19.0.1","user":"admin","app":"index","method":"GET","url":"\/apps\/files\/index.php\/apps\/gallery\/config?extramediatypes=1","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"The requested uri(\\\/apps\\\/files\\\/index.php\\\/apps\\\/gallery\\\/config) cannot be processed by the script '\\\/apps\\\/gallery\\\/config')\",\"Code\":0,\"Trace\":\"#0 \\\/nextcloud\\\/lib\\\/base.php(928): OC\\\\AppFramework\\\\Http\\\\Request->getRawPathInfo()\\n#1 \\\/nextcloud\\\/index.php(40): OC::handleRequest()\\n#2 {main}\",\"File\":\"\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Request.php\",\"Line\":729}","userAgent":"Mozilla\/5.0 (X11; Linux x86_64; rv:45.9) Gecko\/20100101 Goanna\/3.2 Firefox\/45.9 PaleMoon\/27.2.1","version":"12.0.0.16"}

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