Whoops! Thanks for pointing that out. It was a copying typo from my
previous projects. It's been a while since I actually looked in on
those rules.
Thanks,
Yaakov.
On Jan 7, 2008 12:32 AM, Jacob Kjome <[EMAIL PROTECTED]> wrote:
>
>
> Yaakov Chaikin wrote:
> > Hi,
> >
> > I am using log4j 1.2.14.
> >
> > I have a class where I've declared the logger as follows:
> > protected Logger logger = Logger.getLogger(SomeClass.class);
> >
> > In one of the methods in that class, I pass the 'logger' to a static
> > method of another class, like this:
> > SomeOtherClass.doMethod(logger);
> >
> > The output that I get is showing that the logging is coming from
> > SomeOtherClass instead of from SomeClass, which is strange to me. I've
> > been using log4j for a long time, but it's possible that I've never
> > noticed this before.
> >
>
> I think you must be somehow confused. Keep in mind that using FQCN of the
> class
> for the logger name is just a common convention. A logger name is just an
> arbitrary String. If you create a logger with a given name and you pass it to
> another method to use, it will use the name associated with that logger
> instance.
> Log4j doesn't try to track the class the logging is coming from. It just
> knows
> it's own logger name and uses it. Whoops. It's your PatternLayout. Read
> more
> below...
>
> > Is there a way to tell log4j to use the originally initialized class
> > instead of the one it's executing from? I am not even 100% how it
> > knows which class it's in. I was assuming that the logging is always
> > done from the class that it was initialized with. Am I configuring
> > something wrong?
> >
> > My appender is configured as follows:
> >
> > <appender name="testing-stdout"
> > class="org.apache.log4j.ConsoleAppender">
> > <layout class="org.apache.log4j.PatternLayout">
> > <param name="ConversionPattern"
> > value="***-> %-5p %C{1} - %m%n"/>
> > </layout>
> > </appender>
> >
>
> Oh, well that explains it. You aren't spitting out the category/logger name.
> You're spitting out the class name. You should be using a lower-case "c", for
> "category", instead of "C", for "class". When the pattern layout uses this,
> Log4j
> throws an exception and parses the stack trace for every log call. I hope you
> aren't doing this in production! Please read the Javadoc for PatternLayout
> [1].
> You probably want something like...
>
> <param name="ConversionPattern" value="***-> %-5p %c{1} - %m%n"/>
>
> [1]
> http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PatternLayout.html
>
>
> Jake
>
> >
> > Any help would be appreciated.
> >
> > Thanks,
> > Yaakov.
> >
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> >
> >
> >
>
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