Web Interface Updater fails

My Owncloud runs on a hosted server of Host Europe.

This is the second time the updater is terminating with the same error: In the past I tried using the updater to upgrade from 9.1.2 to 10.0.4 and finally had to do a manual upgrade. This time I am trying to update from 10.0.4 to 10.0.6 which really should not be a problem... but I get the same behaviour (details see below).

Looking at the logs there might be a problem with the access/rights? ... Can anybody help me?

Steps to reproduce

  1. Login as administrator.
  2. Go to Settings / General.
  3. Start the updater.

Expected behaviour

Update the owncloud server to version 10.0.6

Actual behaviour

A blank page is shown with the message "cURL error 7: Failed to connect to localhost port 443: Connection refused"

Server configuration

Operating system:

Web server: Debian 8.0 / Apache 2.4.10

Database:SQL-Lite

PHP version:7.0

ownCloud version: 10.0.4

Updated from an older ownCloud or fresh install:fresh manual install

Where did you install ownCloud from:from the official oc webpage: downloaded package "owncloud-10.0.4.zip"

The content of config/config.php:

{
    "basic": {
        "license key": "***REMOVED SENSITIVE VALUE***",
        "date": "Fri, 02 Feb 2018 12:58:22 +0000",
        "ownCloud version": "10.0.4.4",
        "ownCloud version string": "10.0.4",
        "ownCloud edition": "Community",
        "server OS": "Linux",
        "server OS version": "Linux vwp3775 4.4.74-1-xenu-static-he+1+ #2 SMP Mon Jun 26 12:35:59 CEST 2017 x86_64",
        "server SAPI": "apache2handler",
        "webserver version": "Apache",
        "hostname": "superfein.de",
        "user count": 2,
        "user directories": 2,
        "logged-in user": "Administrator"
    },
    "config": {
        "instanceid": "oc7yxjgaci7k",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "superfein.de"
        ],
        "datadirectory": "\/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/owncloud\/data",
        "overwrite.cli.url": "https:\/\/superfein.de\/owncloud",
        "dbtype": "sqlite3",
        "version": "10.0.4.4",
        "logtimezone": "UTC",
        "installed": true,
        "mail_smtpmode": "smtp",
        "mail_from_address": "webmaster",
        "mail_smtpauthtype": "PLAIN",
        "mail_smtpauth": 1,
        "mail_domain": "superfein.de",
        "mail_smtphost": "vwp3775.webpack.hosteurope.de",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "loglevel": 2,
        "maintenance": false,
        "updater.secret": "***REMOVED SENSITIVE VALUE***"
    },
    "integritychecker": {
        "passing": true,
        "enabled": true,
        "result": []
    },
    "core": {
        "installedat": "1491382017.6052",
        "lastupdatedat": "1517574711",
        "public_files": "files_sharing\/public.php",
        "public_webdav": "dav\/appinfo\/v1\/publicwebdav.php",
        "lastcron": "1517575501",
        "lastupdateResult": "{\"version\":\"10.0.6\",\"versionstring\":\"ownCloud 10.0.6\",\"url\":\"https:\\\/\\\/download.owncloud.org\\\/community\\\/owncloud-10.0.6.zip\",\"web\":\"https:\\\/\\\/doc.owncloud.org\\\/server\\\/10.0\\\/admin_manual\\\/maintenance\\\/upgrade.html\"}",
        "updater.secret.created": "1517575227",
        "shareapi_allow_links": "no",
        "shareapi_enabled": "no",
        "vendor": "owncloud",
        "backgroundjobs_mode": "cron"
    },
    "apps": [
        ***SHORTENED***
    ],
    "phpinfo": {
        "apache2handler": {
            "Apache Version": "Apache",
            "Apache API Version": "20120211",
            "Server Administrator": "webmaster@superfein.de",
            "Hostname:Port": "superfein.de:0",
            "User\/Group": "nobody(65534)\/65534",
            "Max Requests": "Per Child: 15200 - Keep Alive: on - Max Per Connection: 100",
            "Timeouts": "Connection: 300 - Keep-Alive: 5",
            "Virtual Server": "Yes",
            "Server Root": "\/etc\/httpd",
            "Loaded Modules": "core mod_so mod_watchdog http_core mod_log_config mod_logio mod_version mod_unixd mod_rewrite mod_php7 mod_cgi mod_dav mod_dav_fs mod_include mod_actions mod_cache mod_cache_disk mod_proxy mod_proxy_http mod_ssl mod_auth_basic mod_auth_digest mod_authz_user mod_authz_groupfile mod_authn_core mod_authn_file mod_access_compat mod_authz_core mod_authz_host prefork mpm_itk mod_deflate mod_mime_magic mod_autoindex mod_mime mod_negotiation mod_alias mod_setenvif mod_dir mod_env mod_headers mod_filter mod_expires mod_hestatus mod_rpaf-2",
            "engine": "1",
            "last_modified": "0",
            "xbithack": "0"
        },
        "Apache Environment": {
            "HTTP_AUTHORIZATION": "no value",
            "HTTPS": "on",
            "HOME": "\/is\/htdocs\/wp12439138_SUVXMA4CNM\/",
            "USER": "wp12439138",
            "modHeadersAvailable": "true",
            "htaccessWorking": "true",
            "HTTP_HOST": "superfein.de",
            "HTTP_X_REAL_IP": "94.221.119.147",
            "HTTP_X_FORWARDED_FOR": "94.221.119.147",
            "HTTP_CONNECTION": "close",
            "HTTP_USER_AGENT": "Mozilla\/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko\/20100101 Firefox\/58.0",
            "HTTP_ACCEPT": "text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8",
            "HTTP_ACCEPT_LANGUAGE": "de,en-US;q=0.7,en;q=0.3",
            "HTTP_ACCEPT_ENCODING": "gzip, deflate, br",
            "HTTP_UPGRADE_INSECURE_REQUESTS": "1",
            "SERVER_SIGNATURE": "no value",
            "SERVER_SOFTWARE": "Apache",
            "SERVER_NAME": "superfein.de",
            "SERVER_ADDR": "127.0.0.70",
            "SERVER_PORT": "443",
            "REMOTE_ADDR": "94.221.119.147",
            "DOCUMENT_ROOT": "\/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/",
            "REQUEST_SCHEME": "https",
            "CONTEXT_PREFIX": "no value",
            "CONTEXT_DOCUMENT_ROOT": "\/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/",
            "SERVER_ADMIN": "webmaster@superfein.de",
            "SCRIPT_FILENAME": "\/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/owncloud\/index.php",
            "REMOTE_PORT": "51934",
            "GATEWAY_INTERFACE": "CGI\/1.1",
            "SERVER_PROTOCOL": "HTTP\/1.0",
            "REQUEST_METHOD": "GET",
            "QUERY_STRING": "no value",
            "REQUEST_URI": "\/owncloud\/index.php\/apps\/configreport\/report",
            "SCRIPT_NAME": "\/owncloud\/index.php",
            "PATH_INFO": "\/apps\/configreport\/report",
            "PATH_TRANSLATED": "redirect:\/shopware.php\/configreport\/report"
        },
        "HTTP Headers Information": {
            "HTTP Request": "GET \/owncloud\/index.php\/apps\/configreport\/report HTTP\/1.0",
            "Host": "superfein.de",
            "X-Real-IP": "94.221.119.147",
            "X-Forwarded-For": "94.221.119.147",
            "Connection": "close",
            "User-Agent": "Mozilla\/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko\/20100101 Firefox\/58.0",
            "Accept": "text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8",
            "Accept-Language": "de,en-US;q=0.7,en;q=0.3",
            "Accept-Encoding": "gzip, deflate, br",
            "Upgrade-Insecure-Requests": "1",
            "Expires": "Thu, 19 Nov 1981 08:52:00 GMT",
            "Cache-Control": "no-store, no-cache, must-revalidate",
            "Pragma": "no-cache",
            "Content-Security-Policy": "default-src self ; script-src self unsafe-eval ; style-src self unsafe-inline ; frame-src *; img-src * data: blob:; font-src self data:; media-src *; connect-src *"
        },
        "apcu": {
            "Version": "5.1.8",
            "APCu Debugging": "Disabled",
            "MMAP Support": "Enabled",
            "MMAP File Mask": "no value",
            "Serialization Support": "php",
            "Build Date": "Jan 5 2018 10:42:36",
            "apc.coredump_unmap": "Off",
            "apc.enable_cli": "Off",
            "apc.enabled": "On",
            "apc.entries_hint": "4096",
            "apc.gc_ttl": "3600",
            "apc.mmap_file_mask": "no value",
            "apc.preload_path": "no value",
            "apc.serializer": "php",
            "apc.shm_segments": "1",
            "apc.shm_size": "100M",
            "apc.slam_defense": "Off",
            "apc.smart": "0",
            "apc.ttl": "0",
            "apc.use_request_time": "On",
            "apc.writable": "\/tmp"
        },
        "bcmath": {
            "BCMath support": "enabled",
            "bcmath.scale": "0"
        },
        "bz2": {
            "BZip2 Support": "Enabled",
            "Stream Wrapper support": "compress.bzip2:\/\/",
            "Stream Filter support": "bzip2.decompress, bzip2.compress",
            "BZip2 Version": "1.0.6, 6-Sept-2010"
        },
        "calendar": {
            "Calendar support": "enabled"
        },
        "Core": {
            "PHP Version": "7.0.27-he.0",
            "allow_url_fopen": "On",
            "allow_url_include": "Off",
            "arg_separator.input": "&",
            "arg_separator.output": "&",
            "auto_append_file": "no value",
            "auto_globals_jit": "On",
            "auto_prepend_file": "no value",
            "browscap": "no value",
            "default_charset": "UTF-8",
            "default_mimetype": "text\/html",
            "disable_classes": "no value",
            "disable_functions": "syslog",
            "display_errors": [
                "Off",
                "On"
            ],
            "display_startup_errors": "Off",
            "doc_root": "no value",
            "docref_ext": "no value",
            "docref_root": "no value",
            "enable_dl": "Off",
            "enable_post_data_reading": "On",
            "error_append_string": "no value",
            "error_log": "no value",
            "error_prepend_string": "no value",
            "error_reporting": [
                "32767",
                "22527"
            ],
            "exit_on_timeout": "Off",
            "expose_php": "Off",
            "extension_dir": "\/usr\/lib\/php7.0\/20151012\/",
            "file_uploads": "On",
            "highlight.comment": "#FF8000",
            "highlight.default": "#0000BB",
            "highlight.html": "#000000",
            "highlight.keyword": "#007700",
            "highlight.string": "#DD0000",
            "html_errors": "On",
            "ignore_repeated_errors": "Off",
            "ignore_repeated_source": "Off",
            "ignore_user_abort": "Off",
            "implicit_flush": "Off",
            "input_encoding": "no value",
            "internal_encoding": "no value",
            "log_errors": [
                "On",
                "Off"
            ],
            "log_errors_max_len": "1024",
            "mail.add_x_header": "Off",
            "mail.force_extra_parameters": "no value",
            "mail.log": "no value",
            "max_execution_time": [
                "3600",
                "30"
            ],
            "max_file_uploads": "50",
            "max_input_nesting_level": "64",
            "max_input_time": "60",
            "max_input_vars": [
                "6144",
                "1000"
            ],
            "memory_limit": [
                "512M",
                "256M"
            ],
            "open_basedir": "no value",
            "output_buffering": [
                "0",
                "no value"
            ],
            "output_encoding": "no value",
            "output_handler": "no value",
            "post_max_size": [
                "513M",
                "32M"
            ],
            "precision": "14",
            "realpath_cache_size": "5M",
            "realpath_cache_ttl": "300",
            "register_argc_argv": "On",
            "report_memleaks": "On",
            "report_zend_debug": "On",
            "request_order": "GP",
            "sendmail_from": "no value",
            "sendmail_path": "\/usr\/sbin\/sendmail -t -i ",
            "serialize_precision": "100",
            "short_open_tag": "On",
            "SMTP": "localhost",
            "smtp_port": "25",
            "sql.safe_mode": "Off",
            "sys_temp_dir": "no value",
            "track_errors": "Off",
            "unserialize_callback_func": "no value",
            "upload_max_filesize": [
                "513M",
                "32M"
            ],
            "upload_tmp_dir": [
                "\/is\/htdocs\/user_tmp\/wp12439138_SUVXMA4CNM",
                "\/tmp"
            ],
            "user_dir": "no value",
            "user_ini.cache_ttl": "300",
            "user_ini.filename": ".user.ini",
            "variables_order": "EGPCS",
            "xmlrpc_error_number": "0",
            "xmlrpc_errors": "Off",
            "zend.assertions": "1",
            "zend.detect_unicode": "On",
            "zend.enable_gc": "On",
            "zend.multibyte": "Off",
            "zend.script_encoding": "no value"
        },
        "ctype": {
            "ctype functions": "enabled"
        },
        "curl": {
            "cURL support": "enabled",
            "cURL Information": "7.38.0",
            "Age": "3",
            "Features": null,
            "AsynchDNS": "Yes",
            "CharConv": "No",
            "Debug": "No",
            "GSS-Negotiate": "No",
            "IDN": "Yes",
            "IPv6": "Yes",
            "krb4": "No",
            "Largefile": "Yes",
            "libz": "Yes",
            "NTLM": "Yes",
            "NTLMWB": "Yes",
            "SPNEGO": "Yes",
            "SSL": "Yes",
            "SSPI": "No",
            "TLS-SRP": "Yes",
            "HTTP2": "No",
            "GSSAPI": "Yes",
            "Protocols": "dict, file, ftp, ftps, gopher, http, https, imap, imaps, ldap, ldaps, pop3, pop3s, rtmp, rtsp, scp, sftp, smtp, smtps, telnet, tftp",
            "Host": "x86_64-pc-linux-gnu",
            "SSL Version": "OpenSSL\/1.0.1t",
            "ZLib Version": "1.2.8",
            "libSSH Version": "libssh2\/1.4.3"
        },
        "date": {
            "date\/time support": "enabled",
            "timelib version": "2016.02",
            ""Olson" Timezone Database Version": "2017.3",
            "Timezone Database": "internal",
            "Default timezone": "UTC",
            "date.default_latitude": "31.7667",
            "date.default_longitude": "35.2333",
            "date.sunrise_zenith": "90.583333",
            "date.sunset_zenith": "90.583333",
            "date.timezone": "Europe\/Berlin"
        },
        "dba": {
            "DBA support": "enabled",
            "Supported handlers": "gdbm cdb cdb_make db4 inifile flatfile",
            "dba.default_handler": "flatfile"
        },
        "dom": {
            "DOM\/XML": "enabled",
            "DOM\/XML API Version": "20031129",
            "libxml Version": "2.9.1",
            "HTML Support": "enabled",
            "XPath Support": "enabled",
            "XPointer Support": "enabled",
            "Schema Support": "enabled",
            "RelaxNG Support": "enabled"
        },
        "exif": {
            "EXIF Support": "enabled",
            "EXIF Version": "7.0.27-he.0",
            "Supported EXIF Version": "0220",
            "Supported filetypes": "JPEG,TIFF",
            "exif.decode_jis_intel": "JIS",
            "exif.decode_jis_motorola": "JIS",
            "exif.decode_unicode_intel": "UCS-2LE",
            "exif.decode_unicode_motorola": "UCS-2BE",
            "exif.encode_jis": "no value",
            "exif.encode_unicode": "ISO-8859-15"
        },
        "fileinfo": {
            "fileinfo support": "enabled",
            "version": "1.0.5",
            "libmagic": "522"
        },
        "filter": {
            "Input Validation and Filtering": "enabled",
            "Revision": "$Id: 28fcca4bfda9c9907588a64d245b49cb398249d8 $",
            "filter.default": "unsafe_raw",
            "filter.default_flags": "no value"
        },
        "ftp": {
            "FTP support": "enabled",
            "FTPS support": "enabled"
        },
        "gd": {
            "GD Support": "enabled",
            "GD Version": "bundled (2.1.0 compatible)",
            "FreeType Support": "enabled",
            "FreeType Linkage": "with freetype",
            "FreeType Version": "2.5.2",
            "GIF Read Support": "enabled",
            "GIF Create Support": "enabled",
            "JPEG Support": "enabled",
            "libJPEG Version": "6b",
            "PNG Support": "enabled",
            "libPNG Version": "1.2.50",
            "WBMP Support": "enabled",
            "XPM Support": "enabled",
            "libXpm Version": "30411",
            "XBM Support": "enabled",
            "gd.jpeg_ignore_warning": [
                "1",
                "0"
            ]
        },
        "geoip": {
            "geoip extension version": "1.1.1",
            "geoip library version": "1006002",
            "geoip.custom_directory": "no value"
        },
        "gettext": {
            "GetText Support": "enabled"
        },
        "hash": {
            "hash support": "enabled",
            "Hashing Engines": "md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 tiger160,4 tiger192,4 snefru snefru256 gost gost-crypto adler32 crc32 crc32b fnv132 fnv1a32 fnv164 fnv1a64 joaat haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 haval192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 haval256,5",
            "MHASH support": "Enabled",
            "MHASH API Version": "Emulated Support"
        },
        "iconv": {
            "iconv support": "enabled",
            "iconv implementation": "glibc",
            "iconv library version": "2.19",
            "iconv.input_encoding": "no value",
            "iconv.internal_encoding": "no value",
            "iconv.output_encoding": "no value"
        },
        "imagick": {
....
        },
        "imap": {
            "IMAP c-Client Version": "2007f",
            "SSL Support": "enabled",
            "Kerberos Support": "enabled"
        },
        "intl": {
            "version": "1.1.0",
            "ICU version": "52.1",
            "ICU Data version": "52.1",
            "intl.default_locale": "no value",
            "intl.error_level": "0",
            "intl.use_exceptions": "0"
        },
        "json": {
            "json support": "enabled",
            "json version": "1.4.0"
        },
        "ldap": {
            "LDAP Support": "enabled",
            "RCS Version": "$Id: cec20da3ccaa477662b8667bef021291fb5bf6f4 $",
            "Total Links": "0\/unlimited",
            "API Version": "3001",
            "Vendor Name": "OpenLDAP",
            "Vendor Version": "20440",
            "SASL Support": "Enabled",
            "ldap.max_links": "Unlimited"
        },
        "libxml": {
            "libXML support": "active",
            "libXML Compiled Version": "2.9.1",
            "libXML Loaded Version": "20901",
            "libXML streams": "enabled"
        },
        "mbstring": {
            "Multibyte Support": "enabled",
            "Multibyte string engine": "libmbfl",
            "HTTP input encoding translation": "disabled",
            "libmbfl version": "1.3.2",
            "oniguruma version": "5.9.5",
            "Multibyte (japanese) regex support": "enabled",
            "Multibyte regex (oniguruma) version": "5.9.5",
            "mbstring.detect_order": "no value",
            "mbstring.encoding_translation": "Off",
            "mbstring.func_overload": "0",
            "mbstring.http_input": "no value",
            "mbstring.http_output": "no value",
            "mbstring.http_output_conv_mimetypes": "^(text\/|application\/xhtml\\+xml)",
            "mbstring.internal_encoding": "no value",
            "mbstring.language": "neutral",
            "mbstring.strict_detection": "Off",
            "mbstring.substitute_character": "no value"
        },
        "mcrypt": {
            "Version": "2.5.8",
            "Api No": "20021217",
            "Supported ciphers": "cast-128 gost rijndael-128 twofish arcfour cast-256 loki97 rijndael-192 saferplus wake blowfish-compat des rijndael-256 serpent xtea blowfish enigma rc2 tripledes",
            "Supported modes": "cbc cfb ctr ecb ncfb nofb ofb stream",
            "mcrypt.algorithms_dir": "no value",
            "mcrypt.modes_dir": "no value"
        },
        "mysqli": {
            "Client API library version": "mysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $",
            "Active Persistent Links": "0",
            "Inactive Persistent Links": "0",
            "Active Links": "0",
            "mysqli.allow_local_infile": "On",
            "mysqli.allow_persistent": "On",
            "mysqli.default_host": "no value",
            "mysqli.default_port": "3306",
            "mysqli.default_pw": "no value",
            "mysqli.default_socket": "\/var\/run\/mysqld\/mysqld.sock",
            "mysqli.default_user": "no value",
            "mysqli.max_links": "50",
            "mysqli.max_persistent": "Unlimited",
            "mysqli.reconnect": "Off",
            "mysqli.rollback_on_cached_plink": "Off"
        },
        "mysqlnd": {
            "Version": "mysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $",
            "Compression": "supported",
            "core SSL": "supported",
            "extended SSL": "supported",
            "Command buffer size": "4096",
            "Read buffer size": "32768",
            "Read timeout": "31536000",
            "Collecting statistics": "Yes",
            "Collecting memory statistics": "No",
            "Tracing": "n\/a",
            "Loaded plugins": "mysqlnd,debug_trace,auth_plugin_mysql_native_password,auth_plugin_mysql_clear_password,auth_plugin_sha256_password",
            "API Extensions": "mysqli,pdo_mysql",
            "bytes_sent": "0",
            "bytes_received": "0",
            "packets_sent": "0",
            "packets_received": "0",
            "protocol_overhead_in": "0",
            "protocol_overhead_out": "0",
            "bytes_received_ok_packet": "0",
            "bytes_received_eof_packet": "0",
            "bytes_received_rset_header_packet": "0",
            "bytes_received_rset_field_meta_packet": "0",
            "bytes_received_rset_row_packet": "0",
            "bytes_received_prepare_response_packet": "0",
            "bytes_received_change_user_packet": "0",
            "packets_sent_command": "0",
            "packets_received_ok": "0",
            "packets_received_eof": "0",
            "packets_received_rset_header": "0",
            "packets_received_rset_field_meta": "0",
            "packets_received_rset_row": "0",
            "packets_received_prepare_response": "0",
            "packets_received_change_user": "0",
            "result_set_queries": "0",
            "non_result_set_queries": "0",
            "no_index_used": "0",
            "bad_index_used": "0",
            "slow_queries": "0",
            "buffered_sets": "0",
            "unbuffered_sets": "0",
            "ps_buffered_sets": "0",
            "ps_unbuffered_sets": "0",
            "flushed_normal_sets": "0",
            "flushed_ps_sets": "0",
            "ps_prepared_never_executed": "0",
            "ps_prepared_once_executed": "0",
            "rows_fetched_from_server_normal": "0",
            "rows_fetched_from_server_ps": "0",
            "rows_buffered_from_client_normal": "0",
            "rows_buffered_from_client_ps": "0",
            "rows_fetched_from_client_normal_buffered": "0",
            "rows_fetched_from_client_normal_unbuffered": "0",
            "rows_fetched_from_client_ps_buffered": "0",
            "rows_fetched_from_client_ps_unbuffered": "0",
            "rows_fetched_from_client_ps_cursor": "0",
            "rows_affected_normal": "0",
            "rows_affected_ps": "0",
            "rows_skipped_normal": "0",
            "rows_skipped_ps": "0",
            "copy_on_write_saved": "0",
            "copy_on_write_performed": "0",
            "command_buffer_too_small": "0",
            "connect_success": "0",
            "connect_failure": "0",
            "connection_reused": "0",
            "reconnect": "0",
            "pconnect_success": "0",
            "active_connections": "0",
            "active_persistent_connections": "0",
            "explicit_close": "0",
            "implicit_close": "0",
            "disconnect_close": "0",
            "in_middle_of_command_close": "0",
            "explicit_free_result": "0",
            "implicit_free_result": "0",
            "explicit_stmt_close": "0",
            "implicit_stmt_close": "0",
            "mem_emalloc_count": "0",
            "mem_emalloc_amount": "0",
            "mem_ecalloc_count": "0",
            "mem_ecalloc_amount": "0",
            "mem_erealloc_count": "0",
            "mem_erealloc_amount": "0",
            "mem_efree_count": "0",
            "mem_efree_amount": "0",
            "mem_malloc_count": "0",
            "mem_malloc_amount": "0",
            "mem_calloc_count": "0",
            "mem_calloc_amount": "0",
            "mem_realloc_count": "0",
            "mem_realloc_amount": "0",
            "mem_free_count": "0",
            "mem_free_amount": "0",
            "mem_estrndup_count": "0",
            "mem_strndup_count": "0",
            "mem_estndup_count": "0",
            "mem_strdup_count": "0",
            "proto_text_fetched_null": "0",
            "proto_text_fetched_bit": "0",
            "proto_text_fetched_tinyint": "0",
            "proto_text_fetched_short": "0",
            "proto_text_fetched_int24": "0",
            "proto_text_fetched_int": "0",
            "proto_text_fetched_bigint": "0",
            "proto_text_fetched_decimal": "0",
            "proto_text_fetched_float": "0",
            "proto_text_fetched_double": "0",
            "proto_text_fetched_date": "0",
            "proto_text_fetched_year": "0",
            "proto_text_fetched_time": "0",
            "proto_text_fetched_datetime": "0",
            "proto_text_fetched_timestamp": "0",
            "proto_text_fetched_string": "0",
            "proto_text_fetched_blob": "0",
            "proto_text_fetched_enum": "0",
            "proto_text_fetched_set": "0",
            "proto_text_fetched_geometry": "0",
            "proto_text_fetched_other": "0",
            "proto_binary_fetched_null": "0",
            "proto_binary_fetched_bit": "0",
            "proto_binary_fetched_tinyint": "0",
            "proto_binary_fetched_short": "0",
            "proto_binary_fetched_int24": "0",
            "proto_binary_fetched_int": "0",
            "proto_binary_fetched_bigint": "0",
            "proto_binary_fetched_decimal": "0",
            "proto_binary_fetched_float": "0",
            "proto_binary_fetched_double": "0",
            "proto_binary_fetched_date": "0",
            "proto_binary_fetched_year": "0",
            "proto_binary_fetched_time": "0",
            "proto_binary_fetched_datetime": "0",
            "proto_binary_fetched_timestamp": "0",
            "proto_binary_fetched_string": "0",
            "proto_binary_fetched_json": "0",
            "proto_binary_fetched_blob": "0",
            "proto_binary_fetched_enum": "0",
            "proto_binary_fetched_set": "0",
            "proto_binary_fetched_geometry": "0",
            "proto_binary_fetched_other": "0",
            "init_command_executed_count": "0",
            "init_command_failed_count": "0",
            "com_quit": "0",
            "com_init_db": "0",
            "com_query": "0",
            "com_field_list": "0",
            "com_create_db": "0",
            "com_drop_db": "0",
            "com_refresh": "0",
            "com_shutdown": "0",
            "com_statistics": "0",
            "com_process_info": "0",
            "com_connect": "0",
            "com_process_kill": "0",
            "com_debug": "0",
            "com_ping": "0",
            "com_time": "0",
            "com_delayed_insert": "0",
            "com_change_user": "0",
            "com_binlog_dump": "0",
            "com_table_dump": "0",
            "com_connect_out": "0",
            "com_register_slave": "0",
            "com_stmt_prepare": "0",
            "com_stmt_execute": "0",
            "com_stmt_send_long_data": "0",
            "com_stmt_close": "0",
            "com_stmt_reset": "0",
            "com_stmt_set_option": "0",
            "com_stmt_fetch": "0",
            "com_deamon": "0",
            "bytes_received_real_data_normal": "0",
            "bytes_received_real_data_ps": "0"
        },
        "openssl": {
            "OpenSSL support": "enabled",
            "OpenSSL Library Version": "OpenSSL 1.0.1t 3 May 2016",
            "OpenSSL Header Version": "OpenSSL 1.0.1k 8 Jan 2015",
            "Openssl default config": "\/usr\/lib\/ssl\/openssl.cnf",
            "openssl.cafile": "no value",
            "openssl.capath": "no value"
        },
   ***SHORTENED****
    }
}

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 58

Operating system: Windows 10

Logs

ownCloud log (data/owncloud.log)

{"reqId":"oEp0pB9XOY2qv7n0dCpK","level":2,"time":"2018-02-02T12:25:06+00:00","remoteAddr":"87.230.47.14","user":"--","app":"core","method":"POST","url":"\/owncloud\/index.php\/occ\/config:list","message":"Invalid request to occ controller. Details: \"Web executor is not allowed to run from a host 87.230.47.14\""}
{"reqId":"u4L74iPJaWQaXKNWogWv","level":3,"time":"2018-02-02T12:25:20+00:00","remoteAddr":"94.221.119.147","user":"mh","app":"PHP","method":"GET","url":"\/owncloud\/index.php\/settings\/admin?sectionid=general","message":"opendir(\/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/owncloud\/themes): failed to open dir: No such file or directory at \/is\/htdocs\/wp12439138_SUVXMA4CNM\/www\/owncloud\/apps\/templateeditor\/lib\/mailtemplate.php#155"}

*87.230.47.14 is the IP of the server where OC is installed.
*94.221.119.147 is the current IP of my remote laptop from where I run the web interface.
*The folder "themes" does not exist under "/is/htdocs/wp12439138_SUVXMA4CNM/www/owncloud/", but is also not included in the original downloaded package (owncloud-10.0.4.zip)

Web server error log

[Fri Feb 02 13:25:21 2018] [authz_core:error] [pid 7892] [client 94.221.119.147] [host superfein.de] AH01630: client denied by server configuration: /is/htdocs/wp12439138_SUVXMA4CNM/www/owncloud/data/htaccesstest.txt

*94.221.119.147 is the current IP of my remote laptop from where I run the web interface.
*htaccesstest.txt has the rights: rwxr-x---

Hi,

many users report this error on hosted environments, as you could find using the search function in this forum.

You wrote that you performed a manual upgrade before, and had no problems. Could you do a manual upgrade again?