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From aggarwal <akansha.ag...@gmail.com>
Subject Re: class specific logging level
Date Fri, 08 Jun 2012 17:15:40 GMT

I will try setting root level to ERROR. All the other config is as u
suggested. Will try to debug why MyClass DEBUG logs arent getting logged
when its logger level is DEBUG. Thanks for detailed description.



Jacob Kjome wrote:
> 
> 
> First, you are not setting the level of the appender, but that of the
> logger 
> which can reference any given appender, including your named "Log1"
> appender.  
> So, if you want ERROR level for all classes, then set the "root" logger
> level 
> to ERROR. 
> 
> After that, you make a decision of which appenders you want logging to go
> to 
> (disregarding level, as that is the job of the logger - except in regard
> to 
> more advanced configuration where you can set appender level thresholds or
> use 
> filters, but that's beyond our discussion here).  If you want output of
> all 
> classes (again, disregarding level) to go to the "Log1", then you provide
> a 
> reference to "Log1" in the primordial "root" logger.
> 
> After that, if you want to lower the level for specific loggers, you can 
> specify those as you've done with "com.pkg.MyClass".  Now all classes, 
> including "com.pkg.MyClass" will log at the ERROR level, but
> "com.pkg.MyClass" 
> will also provide DEBUG, INFO, and WARN (and SEVERE) logging as well.
> 
> This is all very standard stuff.  If you don't experience the above
> behavior, 
> then I would suspect that the Log4j configuration you think you are using 
> isn't being used at all.  You might want to use...
> 
> -Dlog4j.debug=true
> 
> This will tell Log4j to report how it is being configured.  You may find
> that 
> some other configuration is being used instead of yours.  Either that, or
> you 
> are not describing what you want clearly enough.
> 
> 
> Jake
> 
> On Fri, 8 Jun 2012 09:15:14 -0700 (PDT)
>  aggarwal <akansha.agg.9@gmail.com> wrote:
>> 
>> 
>> If I set the level of Log1 appender to DEBUG, then DEBUG logs of all the
>> classes including MyClass are getting logged. If I set it to ERROR, then
>> ERROR logs of all the classes including MyClass are getting logged. But
>> what
>> I want is - DEBUG logs of only MyClass and ERROR of rest all. Here, my
>> motive is to set DEBUG level logging for most important classes helping
>> in
>> debugging procedure. 
>> 
>> 
>> <logger name="com.pkg.MyClass">
>> 	<level value="DEBUG" />
>> </logger>
>> 
>> private final static Logger logger = Logger.getLogger(MyClass.class);
>> 
>> This is how a logger is defined in my code. It was my mistake to replace
>> "com.pkg.MyClass" with "MyClass". 
>> 
>> Thanks for "additivity" and "priority" related suggestions.
>> 
>> Actually, root isn't my concern here. No matter what the level of root
>> and
>> appender is, I want DEBUG logs of only MyClass.
>> 
>> 
>> 
>> 
>> 
>> Douglas E Wegscheid wrote:
>>> 
>>>> I want MyClass logs of DEBUG level and all other classes of ERROR in
>>>> "log1.log" file as mentioned in logger "Log1". 
>>>> ...
>>>> whereas if I set the level in appender
>>>> "Log1" to DEBUG, I do get the DEBUG logs of Myclass in log1.log.
>>> 
>>> If you set the level of the Log1 appender to DEBUG, you say that you get 
>>> the DEBUG logs of Myclass in log1.log. Isn't that what you want?
>>> 
>> 
>> -- 
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>>http://old.nabble.com/class-specific-logging-level-tp33974515p33982558.html
>> Sent from the Log4j - Users mailing list archive at Nabble.com.
>> 
>> 
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>> 
> 
> 
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> 
> 

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