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Subject: RE: One question about extending log4j
Date: Thu, 10 Aug 2006 12:51:02 +0100
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 <4734E6D595AC13498E63C5447A38FB470172C658@gsmblnp03es.firmwide.corp.gs.com>
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Thread-Topic: One question about extending log4j
Thread-Index: Aca8Nd5kgDqdcxA1Q56sUQLPqlO+yQAPN1bw
From: "Kumar, Neeraj X \(Credit\)" <Neeraj.X.Kumar@gs.com>
To: "Log4J Users List" <log4j-user@logging.apache.org>,
    <jagonzal@gmail.com>

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Hi=20
I have extended the Rolling file appender to create separate files per =
thread.
Attached is the implementation.
For this you need to set up the log4j as

log4j.appender.GetAccountInfo=3Dcom.gs.eq.pb.commodore.logger.ExtendedRol=
lingFileAppender
log4j.appender.GetAccountInfo.File=3Dlogs/GetAccountInfo.log
log4j.appender.GetAccountInfo.layout=3Dorg.apache.log4j.PatternLayout
log4j.appender.GetAccountInfo.layout.ConversionPattern=3D%d{ABSOLUTE} =
%5p %C{1}:%L - %m%n
log4j.logger.GetAccountInfo.additivity=3Dtrue
log4j.appender.GetAccountInfo.MaxFileSize=3D1KB
log4j.appender.GetAccountInfo.MaxBackupIndex=3D3
log4j.logger.GetAccountInfo=3Ddebug, GetAccountInfo

Regards
Neeraj

-----Original Message-----
From: Javier Gonzalez [mailto:jagonzal@gmail.com]=20
Sent: Thursday, August 10, 2006 5:31 AM
To: Log4J Users List
Subject: Re: One question about extending log4j

On 8/9/06, =C2=C0=CF=FE=D2=BB <lvxiaoyi@aspire-tech.com> wrote:
> Hi all,
>
> I encountered a problem in my requirement.
>
> Several threads will write different type Value Object to an Object =
Queue,
> and one Log thread will consume these VO in the Queue, and the Log =
thread is
> extended from log4J, it will write the VO's value to different log =
files
> according to the VO's type.
>
> So, what should I do? Could anybody give me a solution?

For each VO, log to a different logger, named after the type of the
VO. For example:

// receive VO
ValueObject vo =3D getFromQueue();
Logger log =3D Logger.getLogger(vo.getType());
log.log(whatever you wish to log);

And then, in the log4j configuration file, create an different
appender for each VO Type. Attach those appenders to the loggers named
after the VO Types.

--=20
Javier Gonz=A8=A2lez Nicolini


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