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From Kaspar Fischer <fisch...@inf.ethz.ch>
Subject Re: Log file per thread
Date Sun, 03 May 2009 12:04:54 GMT
Yair, first of all, thanks for your answer.

> Ho about creating a Logger in ThreadLocal with a unique name that is  
> based
> on the thread name?

Apologies for this basic question, but how can I do this?

Just passing a new name to getLogger()?

   http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Logger.html

More importantly, how can I dispose of the logger? Otherwise the  
number of
open loggers grows with the number of threads run.

Thanks,
Kaspar

> On Sat, May 2, 2009 at 5:53 PM, Kaspar Fischer  
> <fischerk@inf.ethz.ch> wrote:
>
>> Dear list,
>>
>> I am looking for a way to create a log file per thread (actually, per
>> Quartz job that gets run).
>>
>> I've googled quite a bit and found a few approaches, in particular
>> KeyFileAppender [1]. All I have seen seem to rely on the MDC and
>> KeyFileAppender seems to have a resource leak [2].
>>
>> I am wondering whether there is a simply way to programmatically  
>> create, at
>> the beginning of my thread, a logger with a given name and closing  
>> it at the
>> end of the thread. Has anybody accomplished something like this?
>>
>> public void run()
>> {
>>    String id = ...; // thread name or whatever
>>    Logger logger = ...; // Create a logger with a basename and the id
>>    try
>>    {
>>      // ...
>>    }
>>    finally
>>    {
>>      logger.close(); // Something like this is needed to make sure
>>                      // old logs do not keep hanging around
>>    }
>> }
>>
>> Many thanks,
>> Kaspar
>>
>> [1] https://issues.apache.org/bugzilla/show_bug.cgi?id=19597
>> [2]
>> http://www.mail-archive.com/log4j-user@logging.apache.org/msg07295.html

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