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[mosquitto-dev] Authentication with user and password - Error: Unable to open pwfile

Hi @all,


on my Raspberry Pi I want all clients to use a username and password before publish or subscribe a topic. But the following issue occurs and can not fix it.


This is my mosquitto.conf file (without comments):


pid_file /var/run/mosquitto.pid

persistence true

persistence_location /var/lib/mosquitto/

log_dest file /var/log/mosquitto/mosquitto.

include_dir /etc/mosquitto/conf.d


This is my mosquittoCCZ.conf file within "/etc/mosquitto/conf.d"


# Standard Listener

#listener 1883

protocol mqtt

log_type error

log_type warning

log_type notice

log_type information


# Websockets Listener

listener 9001

protocol websockets


log_dest syslog

log_dest stdout


connection_messages true

log_timestamp true


allow_anonymous false

password_file etc/mosquitto/passwordsvpj


This is the error:


pi@raspberrypi:~ $ sudo mosquitto -c /etc/mosquitto/mosquitto.conf

1539358641: mosquitto version 1.5.3 starting

1539358641: Config loaded from /etc/mosquitto/mosquitto.conf.

1539358641: Error: Unable to open pwfile "etc/mosquitto/passwordsvpj".

1539358641: Error opening password file "etc/mosquitto/passwordsvpj".


Some more information:


pi@raspberrypi:~ $ ls -la /etc/mosquitto/

insgesamt 36

drwxr-xr-x Â5 root root 4096 Okt 12 17:22 .

drwxr-xr-x 121 root root 12288 Okt 6 11:26 ..

drwxr-xr-x Â2 root root 4096 Okt 6 11:24 ca_certificates

drwxr-xr-x Â2 root root 4096 Okt 6 11:24 certs

drwxr-xr-x Â2 root root 4096 Okt 12 17:22 conf.d

-rw-r--r-- Â1 root root Â348 Aug 8 16:14 mosquitto.conf

-rw-r--r-- Â1 pi Âpi  Â585 Okt 12 16:51 passwordsvpj



Can somebody help me? I was looking for a solution in a lot of forums but wasn't successful.


Thanks in advance