[logback-user] How to make RollingFileAppender roll even if no log events

[Mads Bondo Dydensborg]

Hi there

Not sure about the log situation, but why can't you just shut your app down, copy the log, and reboot the server?

Regards

Mads

Fredag 02 august 2013 00:50:21 skrev David Rosenstrauch:
> Hi.  We're trying to integrate the logback framework into our app, but 
> we're running into an issue with RollingFileAppender.
> 
> Our app is creating log files.  We are then using RollingFileAppender to 
> periodically roll the log file, gzip it, and move it to another 
> directory (where it subsequently gets pushed to another server for 
> processing).
> 
> This all works fine ... as long as there's logging events happening. 
> However, when there's no log events, the log file never rolls - which 
> prevents it from getting moved to the other directory, and getting 
> pushed to the other server.  So in effect, any data in the log file 
> stays there and never gets processed.
> 
> This takes on particular importance when we want to shut a server down. 
>   What should happen is that we stop sending the server traffic, wait 
> till the log file rolls, and then gets pushed to the processing server - 
> after which it's safe to shut the machine down and be assured of no log 
> data loss.
> 
> But when we stop sending the server traffic, logback stops rolling the 
> log too - resulting in a situation where the log data just sits in the 
> original log file and never gets rolled, pushed, and processed.  So 
> there's no safe time to shut the server down without loss of log data.
> 
> 
> Is there any way out of this situation?  I.e., any way to force logback 
> to do actual clock-based rolling, rather than event-based?
> 
> Thanks,
> 
> DR
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> 
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Med venlig hilsen/Regards

Chefarkitekt/Chief Architect cand.scient.dat, Ph.d., Mads Bondo Dydensborg
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