Hi Marcus, It is a bug. Thanks for the very detailed description, it made it easy to figure out. I guessed what the problem was before I finished recreating it actually, so I'm sorry it was hard for you to find where things weren't working.
I've pushed a fix on the 1.3 branch which should be very easy to use on 1.2.3: https://bitbucket.org/oojah/mosquitto/commits/a8e563fc0f53873500d31f217133540504735cdc Thanks! Roger On Mon, Dec 9, 2013 at 3:23 PM, Marcus Rejås <marcus.re...@alleato.se> wrote: > Problem: Messages are not being retained under some circumstances when > persistence is being used. > > Setup: > > Mosquitto 1.2.3 > > BROKER A <-- BRIDGE --> BROKER B > > The bridge is initiated from Broker B. > > Config A > > persistence true > persistence_file mosquitto-A.db > persistence_location /tmp/ > autosave_interval 3600 > > port 1883 > > > Config B > > persistence true > persistence_file mosquitto-B.db > persistence_location /tmp/ > autosave_interval 3600 > > port 1884 > > connection A > address 127.0.0.1:1883 > topic # both > > > When starting with no persistence files it works as we expects. > > Setting a retained message on either A or B makes it retained on both > brokers. > > Setting on A and B > > $ mosquitto_pub -p 1883 -t retainedA -m test -r > $ mosquitto_pub -p 1884 -t retainedB -m test -r > > Verifying that the messages are retained. > > $ mosquitto_sub -p 1883 -t \# -v > retainedA test > retainedB test > > $ mosquitto_sub -p 1884 -t \# -v > retainedA test > retainedB test > > Works as expected. > > Removing the retained messages by sending a null-message to the topics > also works as expected. > > But, restarting the brokers (making them read the persistence database) > makes it behave different. > > $ mosquitto_pub -p 1883 -t retainedA -m test -r > $ mosquitto_pub -p 1884 -t retainedB -m test -r > > $ mosquitto_sub -p 1883 -t \# -v > retainedA test > retainedB test > > $ mosquitto_sub -p 1884 -t \# -v > retainedB test > > Only the retained message set directly on B is set on B. Also remove > retained topics on B via the bridge does not work. > > This was little hard to find since it only occurs after restarting with > a persistence file present. > > Is this a bug or did we do something wrong? > > Regards > > Marcus > > -- > Marcus Rejås > ALLEATO > Tel. +46 176 250103 > Mobilnr: +46 70 266 79 85 > marcus.re...@alleato.se > http://www.alleato.se > > -- > Mailing list: https://launchpad.net/~mosquitto-users > Post to : mosquitto-users@lists.launchpad.net > Unsubscribe : https://launchpad.net/~mosquitto-users > More help : https://help.launchpad.net/ListHelp -- Mailing list: https://launchpad.net/~mosquitto-users Post to : mosquitto-users@lists.launchpad.net Unsubscribe : https://launchpad.net/~mosquitto-users More help : https://help.launchpad.net/ListHelp
