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Broker can't restart with log file on Windows #1080

lcouz opened this Issue Dec 13, 2018 · 2 comments


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lcouz commented Dec 13, 2018

Running on Windows (in service mode) with logging configuration to file : "log_dest file ..." in configuration file, when stop the service, the service can't restart.
By reading the code, in util_mosq.c l.422, "CreateFile" function is called with "CREATE_NEW" parameter.
In cas of an existinf log fille, INVALID_HANDLE_VALUE is returned , this case is not tested in code.
I suggest to use "CREATE_ALWAYS" parameter instead.

Not tested, but problem is probably also present in "application" mode.

@ralight ralight modified the milestones: 1.5.5, 1.5.6 Dec 20, 2018


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big-col commented Dec 31, 2018

I have the same issue, deleting the current log file enables the mosquitto service to start

lcouz added a commit to lcouz/mosquitto that referenced this issue Jan 7, 2019

FIX eclipse#1080
Fix proposal for : Broker can't restart with log file on Windows eclipse#1080

@lcouz lcouz referenced this issue Jan 7, 2019


FIX #1080 #1

1 of 6 tasks complete

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ralight commented Feb 3, 2019

I've made a change that handles this case for reading an existing file, creating a new file or appending to an existing file. It will be in 1.5.6 soon.

@ralight ralight closed this Feb 3, 2019

ralight added a commit that referenced this issue Feb 8, 2019

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