Double email reminder notifications sent for an event #29434

meonkeys · 2021-10-25T17:14:33Z

I invited some people to a recurring event. I set a reminder notification email to be sent 2 hours before the event. Every attendee receives two reminder notification emails.

Steps to reproduce

Create event.
Add email reminder 2 hours before the event.
Observe actual email notifications sent.

Expected behaviour

Each attendee receives a single notification email 2 hours before the event.

Actual behaviour

Each attendee receives two notification emails 2 hours before the event.

System info

Server configuration detail

Operating system: Linux 5.4.0-89-generic nextcloud/calendar#100-Ubuntu SMP Fri Sep 24 14:50:10 UTC 2021 x86_64

Webserver: Apache/2.4.51 (Debian) (apache2handler)

Database: MariaDB 10.5.12

PHP version: 8.0.11

Modules loaded: Core, date, libxml, openssl, pcre, sqlite3, zlib, ctype, curl, dom, fileinfo, filter, ftp, hash, iconv, json, mbstring, SPL, PDO, pdo_sqlite, bz2, posix, Reflection, session, SimpleXML, standard, tokenizer, xml, xmlreader, xmlwriter, mysqlnd, apache2handler, apcu, bcmath, Phar, exif, gd, gmp, imagick, imap, intl, ldap, memcached, pcntl, pdo_mysql, pdo_pgsql, redis, smbclient, sodium, zip, pdlib, libsmbclient, Zend OPcache

Nextcloud version: 22.2.0 - 22.2.0.2

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

Where did you install Nextcloud from: I'm using a Docker image built from nextcloud:22-apache. I added stuff to make face recognition work. See below for Dockerfile.

List of activated apps

Enabled:
 - accessibility: 1.8.0
 - activity: 2.15.0
 - admin_audit: 1.12.0
 - bruteforcesettings: 2.2.0
 - calendar: 2.3.4
 - circles: 22.1.1
 - cloud_federation_api: 1.5.0
 - comments: 1.12.0
 - contacts: 4.0.3
 - contactsinteraction: 1.3.0
 - cookbook: 0.9.6
 - dashboard: 7.2.0
 - dav: 1.19.0
 - drawio: 1.0.1
 - event_update_notification: 1.3.0
 - federatedfilesharing: 1.12.0
 - files: 1.17.0
 - files_external: 1.13.0
 - files_fulltextsearch: 22.0.1
 - files_pdfviewer: 2.3.0
 - files_rightclick: 1.1.0
 - files_sharing: 1.14.0
 - files_trashbin: 1.12.0
 - files_versions: 1.15.0
 - files_videoplayer: 1.11.0
 - firstrunwizard: 2.11.0
 - fulltextsearch: 22.0.1
 - fulltextsearch_elasticsearch: 22.0.1
 - impersonate: 1.9.0
 - integration_whiteboard: 0.0.14
 - logreader: 2.7.0
 - lookup_server_connector: 1.10.0
 - maps: 0.1.9
 - metadata: 0.14.0
 - news: 16.1.0
 - nextcloud_announcements: 1.11.0
 - notes: 4.1.1
 - notifications: 2.10.1
 - oauth2: 1.10.0
 - password_policy: 1.12.0
 - passwords: 2021.10.20
 - phonetrack: 0.6.9
 - provisioning_api: 1.12.0
 - recommendations: 1.1.0
 - richdocuments: 4.2.3
 - serverinfo: 1.12.0
 - settings: 1.4.0
 - sharebymail: 1.12.0
 - spreed: 12.1.2
 - support: 1.5.0
 - systemtags: 1.12.0
 - tasks: 0.14.2
 - text: 3.3.0
 - theming: 1.13.0
 - twofactor_backupcodes: 1.11.0
 - twofactor_nextcloud_notification: 3.2.1
 - twofactor_totp: 6.1.0
 - twofactor_u2f: 6.2.0
 - user_status: 1.2.0
 - video_converter: 1.0.3
 - viewer: 1.6.0
 - workflowengine: 2.4.0
Disabled:
 - analytics
 - appointments
 - audioplayer
 - audioplayer_editor
 - cms_pico
 - duplicatefinder
 - encryption
 - epubreader
 - facerecognition
 - federation
 - files_markdown
 - files_texteditor
 - forms
 - mail
 - photos
 - privacy
 - survey_client
 - updatenotification
 - user_ldap
 - weather_status

Configuration (config/config.php)

{
    "htaccess.RewriteBase": "\/",
    "memcache.local": "\\OC\\Memcache\\APCu",
    "apps_paths": [
        {
            "path": "\/var\/www\/html\/apps",
            "url": "\/apps",
            "writable": false
        },
        {
            "path": "\/var\/www\/html\/custom_apps",
            "url": "\/custom_apps",
            "writable": true
        }
    ],
    "instanceid": "***REMOVED SENSITIVE VALUE***",
    "passwordsalt": "***REMOVED SENSITIVE VALUE***",
    "secret": "***REMOVED SENSITIVE VALUE***",
    "trusted_domains": [
        "nextcloud.example.com"
    ],
    "datadirectory": "***REMOVED SENSITIVE VALUE***",
    "dbtype": "mysql",
    "version": "22.2.0.2",
    "dbname": "***REMOVED SENSITIVE VALUE***",
    "dbhost": "***REMOVED SENSITIVE VALUE***",
    "dbport": "3306",
    "dbtableprefix": "oc_",
    "mysql.utf8mb4": true,
    "dbuser": "***REMOVED SENSITIVE VALUE***",
    "dbpassword": "***REMOVED SENSITIVE VALUE***",
    "installed": true,
    "mail_smtpmode": "smtp",
    "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
    "mail_sendmailmode": "smtp",
    "mail_smtpport": "25",
    "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
    "forwarded_for_headers": [
        "HTTP_X_FORWARDED_FOR",
        "HTTP_X_REAL_IP"
    ],
    "maintenance": false,
    "loglevel": 3,
    "ldapIgnoreNamingRules": false,
    "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
    "has_internet_connection": true,
    "memcache.distributed": "\\OC\\Memcache\\Redis",
    "memcache.locking": "\\OC\\Memcache\\Redis",
    "redis": {
        "host": "***REMOVED SENSITIVE VALUE***",
        "password": "***REMOVED SENSITIVE VALUE***",
        "port": 6379
    },
    "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\\Movie",
        "OC\\Preview\\PDF",
        "OC\\Preview\\SVG"
    ],
    "overwrite.cli.url": "https:\/\/nextcloud.example.com",
    "overwriteprotocol": "https",
    "app_install_overwrite": [
        "cookbook",
        "gpxedit"
    ],
    "default_phone_region": "US"
}

External storages: yes

External storage configuration

redaced

Encryption: redacted

User-backends:

OC\User\Database

Talk configuration:

STUN servers

stun.nextcloud.com:443

TURN servers

no custom server configured

Signaling servers (mode: external):

https://eu01-w2hcveraomwc.cust.spreed.cloud/ - REDACTED

Browser: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:93.0) Gecko/20100101 Firefox/93.0

Dockerfile

# FIXME: this is probably out of date. I need to incorporate changes from
# https://github.com/iamklaus/nextcloud/commits/main/apache/Dockerfile , probably on a regular
# basis. I think that's the Dockerfile I started with.
#
# Same for https://github.com/nextcloud/docker/commits/master/22/apache/Dockerfile
ARG NCVERSION=22-apache

#
# Use a temporary image to compile and test the libraries
# Likely source: https://github.com/matiasdelellis/facerecognition/issues/160#issuecomment-559590851
#
FROM nextcloud:$NCVERSION as builder

# Build and install dlib on builder

RUN apt-get update ; \
    apt-get install -y build-essential wget cmake libx11-dev libopenblas-dev

ARG DLIB_BRANCH=v19.19
RUN wget -c -q https://github.com/davisking/dlib/archive/$DLIB_BRANCH.tar.gz \
    && tar xf $DLIB_BRANCH.tar.gz \
    && mv dlib-* dlib \
    && cd dlib/dlib \
    && mkdir build \
    && cd build \
    && cmake -DBUILD_SHARED_LIBS=ON --config Release .. \
    && make \
    && make install

# Build and install PDLib on builder

ARG PDLIB_BRANCH=master
RUN apt-get install unzip
RUN wget -c -q https://github.com/matiasdelellis/pdlib/archive/$PDLIB_BRANCH.zip \
    && unzip $PDLIB_BRANCH \
    && mv pdlib-* pdlib \
    && cd pdlib \
    && phpize \
    && ./configure \
    && make \
    && make install

# Enable PDlib on builder

# If necesary take the php settings folder uncommenting the next line
# RUN php -i | grep "Scan this dir for additional .ini files"
RUN echo "extension=pdlib.so" > /usr/local/etc/php/conf.d/pdlib.ini

# Test PDlib instalation on builer

RUN apt-get install -y git
RUN git clone https://github.com/matiasdelellis/pdlib-min-test-suite.git \
    && cd pdlib-min-test-suite \
    && make

#
# If pass the tests, we are able to create the final image.
#

FROM nextcloud:$NCVERSION

RUN set -ex; \
    \
    apt-get update; \
    apt-get install -y --no-install-recommends \
        ffmpeg \
        libmagickcore-6.q16-6-extra \
        procps \
        smbclient \
        supervisor \
        libopenblas-base \
#       libreoffice \
    ; \
    rm -rf /var/lib/apt/lists/*

# Install dlib and PDlib to image
COPY --from=builder /usr/local/lib/libdlib.so* /usr/local/lib/

# If is necesary take the php extention folder uncommenting the next line
RUN php -i | grep extension_dir

COPY --from=builder /usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdlib.so /usr/local/lib/php/extensions/no-debug-non-zts-20200930/

# Enable PDlib on final image
RUN echo "extension=pdlib.so" > /usr/local/etc/php/conf.d/pdlib.ini

# Increse memory limits
RUN echo memory_limit=1024M > /usr/local/etc/php/conf.d/memory-limit.ini

RUN set -ex; \
    \
    savedAptMark="$(apt-mark showmanual)"; \
    \
    apt-get update; \
    apt-get install -y --no-install-recommends \
        libbz2-dev \
        libc-client-dev \
        libkrb5-dev \
        libsmbclient-dev \
    ; \
    \
    docker-php-ext-configure imap --with-kerberos --with-imap-ssl; \
    docker-php-ext-install \
        bz2 \
        imap \
    ; \
    pecl install smbclient; \
    docker-php-ext-enable smbclient; \
    \
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
    apt-mark auto '.*' > /dev/null; \
    apt-mark manual $savedAptMark; \
    ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
        | awk '/=>/ { print $3 }' \
        | sort -u \
        | xargs -r dpkg-query -S \
        | cut -d: -f1 \
        | sort -u \
        | xargs -rt apt-mark manual; \
    \
    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
    rm -rf /var/lib/apt/lists/*

RUN mkdir -p \
    /var/log/supervisord \
    /var/run/supervisord \
;

COPY supervisord.conf /

ENV NEXTCLOUD_UPDATE=1

# Fix real client IP detection behind Traefik reverse proxy
# Source: https://github.com/docker-library/wordpress/blob/5125491823651bcd691faf415d836f911fea09cd/apache-extras.template
# Test with `php-test` container, not here.
RUN set -eux; \
# https://httpd.apache.org/docs/2.4/mod/mod_remoteip.html
	a2enmod remoteip; \
	{ \
		echo 'RemoteIPHeader X-Forwarded-For'; \
# these IP ranges are reserved for "private" use and should thus *usually* be safe inside Docker
		echo 'RemoteIPTrustedProxy 172.16.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.17.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.18.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.19.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.20.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.21.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.22.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.23.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.24.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.25.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.26.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.27.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.28.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.29.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.30.0.0/16'; \
        echo 'RemoteIPTrustedProxy 172.31.0.0/16'; \
	} > /etc/apache2/conf-available/remoteip.conf; \
	a2enconf remoteip; \
# https://github.com/docker-library/wordpress/issues/383#issuecomment-507886512
# (replace all instances of "%h" with "%a" in LogFormat)
	find /etc/apache2 -name '*.conf' -exec sed -ri 's/([[:space:]]*LogFormat[[:space:]]+"[^"]*)%h([^"]*")/\1%{X-Real-IP}i\2/g' '{}' +

CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]

redacted event ICS

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//IDN nextcloud.com//Calendar app 2.3.1//EN
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CREATED:20210725T045311Z
LAST-MODIFIED:20210725T045314Z
DTSTAMP:20210725T045314Z
UID:redacted
SUMMARY:redacted call 🚀
ORGANIZER;CN=Adam Monsen:mailto:[email protected]
ATTENDEE;CN=redacted;PARTSTAT=ACCEPTED;CUTYPE=INDIVID
 UAL;ROLE=REQ-PARTICIPANT;SCHEDULE-STATUS=2.0:mailto:[email protected]
...snipped 24 other attendees...
RELATED-TO;RELTYPE=SIBLING:redacted
RELATED-TO;RELTYPE=SIBLING:redacted
RRULE:FREQ=MONTHLY;BYDAY=SA;BYSETPOS=4
X-MOZ-LASTACK:20210519T192839Z
DTSTART;TZID=America/Los_Angeles:20210724T130000
DTEND;TZID=America/Los_Angeles:20210724T140000
SEQUENCE:0
LOCATION:https://meet.jit.si/redacted
DESCRIPTION:redacted
X-MOZ-GENERATION:1
BEGIN:VALARM
ACTION:EMAIL
TRIGGER:-PT2H
DESCRIPTION:Default Mozilla Description
END:VALARM
END:VEVENT
END:VCALENDAR

Event details

Attendees

Reminders

Recurrence

Emails sent (they are sent from my gmail account, both of these are outgoing)

The text was updated successfully, but these errors were encountered:

stefan123t · 2021-11-07T10:22:04Z

Hi @meonkeys
I did probably not see all details of your issue, but I noticed you are using gmail as a backend to store your CalDAV file. Could it be that both NC and GMail send out individual notifications ?
Is there some log / evidence of both mails being sent by nextcloud ?
Kind regards,
Stefan

meonkeys · 2021-11-07T17:55:50Z

I'm using gmail to send emails from Nextcloud. I don't use Google Calendar since I started using Nextcloud Calendar about a year ago. I have gmail "smart features and personalization" disabled and events / .ics files emailed to me do not automatically show up on my Google Calendar.

meonkeys · 2021-11-14T21:58:30Z

Verified fixed with new events created on nc 22.2.0 . 👍

tcitworld transferred this issue from nextcloud/calendar Oct 25, 2021

tcitworld added 1. to develop Accepted and waiting to be taken care of bug feature: dav labels Oct 25, 2021

meonkeys mentioned this issue Nov 7, 2021

Calendar sends duplicate notifications if there is an additional attendee [$250] #21370

Closed

meonkeys closed this as completed Nov 14, 2021

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Double email reminder notifications sent for an event #29434

Double email reminder notifications sent for an event #29434

meonkeys commented Oct 25, 2021

stefan123t commented Nov 7, 2021

meonkeys commented Nov 7, 2021

meonkeys commented Nov 14, 2021

Double email reminder notifications sent for an event #29434

Double email reminder notifications sent for an event #29434

Comments

meonkeys commented Oct 25, 2021

Steps to reproduce

Expected behaviour

Actual behaviour

System info

Server configuration detail

List of activated apps

Configuration (config/config.php)

External storage configuration

Dockerfile

redacted event ICS

stefan123t commented Nov 7, 2021

meonkeys commented Nov 7, 2021

meonkeys commented Nov 14, 2021