What is your logger level set to in the appender config? that is what determines what level is logged.
On 25 August 2010 14:08, Carlos Freund <[email protected]> wrote: > Hello, > > I've been using log4j for some time now and it's working really fine. > However i have trouble with setting the log-levels right. > > I am working on a server that gets quite some load. > At first I set the log-level to debug. This was very convenient for, well, > debugging. When the server got heavier load this got impractical because the > log files would inflate and IO caused by logging became noticeable. > > So i set the log level to warn. That solved those problems. But now when > the occasional error occurs it has become much harder to figure out why. > Before I had the debug statements from which I could tell, what was wrong. > Now i just have a Exception and a stacktrace, which sometimes just isn't > enough information. > > > So what I'd really like would be a compromise of these two options. I was > thinking about a possibility to configure a logger so it would add the last > X log > messages of lower levels whenever an log of the "regular" level would be > written. > > A Simple example: > > public double getAvgAge(List<Person> persons){ > LOG.debug("Calulating average age for persons: "+persons); > try{ > int total_age = getTotalAge(persons); > double avg_age = total_age / persons.size(); > return avg_age; > } catch (Exception e ){ > LOG.error("Could not calculate average age"); > throw e; > } > } > > > I'd like to be able to set up log4j so that it doesn't log anyting if the > code works(calls no LOG.error). But when it does call LOG.error i'd like to > also see the previous debug statements in my log so I can figure out why my > code failed. > > So i would read something like this in my log: > DEBUG AverageAgeCalculator: Calulating average age for persons: [ ] > ERROR AverageAgeCalculator: DivideByZeroError > ....stacktrace.... > > But no unnecessary statements like: > DEBUG AverageAgeCalculator: Calulating average age for persons: [Mary, > Peter ] > DEBUG AverageAgeCalculator: Calulating average age for persons: [Carlos, > Hans, Klaus] > > > I happen to have some free time on my hands so i'd like to try to code this > myself. > But before i start thinking about implementation, I would like to know some > things. > > Does something like this already exist? > Do you think this would be useful? > > Greetings, Carlos Freund > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
