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In-Reply-To: <AANLkTimB2Q2piSgqc8jkN3b+49bO5zLkb3ZGCauXEnS5@mail.gmail.com>
References: <AANLkTimB2Q2piSgqc8jkN3b+49bO5zLkb3ZGCauXEnS5@mail.gmail.com>
Date: Wed, 23 Feb 2011 17:22:01 +0800
Message-ID: <AANLkTi=MZxb3s7AtkL+bsBh-H_YZG9cag7U4cftwEx2e@mail.gmail.com>
Subject: Re: log4j seems not read by ant
From: Thomas Anderson <t.dt.aanderson@gmail.com>
To: user@ant.apache.org
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Ok. I know what goes wrong now.

For debug log4j with ant, it is jvmarg instead of arg needed to be
added within java tag.

    <java ...>
        <jvmarg value=3D"-Dlog4j.debug" />
    </java>

log4j.properties is not read because there is another project which
also uses log4j logging system that I was not aware of. And that
classpath property is preceded before my log4j.properties.

Wrong classpath
   <path id=3D"spider.classpath">
        <fileset dir=3D"${another.project.home}/" includes=3D"**/*.jar"/>
<!-- this includes jars which contains other log4j.properties -->
	<pathelement location=3D"${myporject.conf}"/> <!-- my log4j.properties
here then is ignored -->
    </path>

Worked version
   <path id=3D"spider.classpath">
	<pathelement location=3D"${myproject.conf}"/> <!-- make my project's
log4j.properties the first one in classpath -->
         ....
    </path>

Now everything works well.

Thanks.






On Wed, Feb 23, 2011 at 4:27 PM, Thomas Anderson
<t.dt.aanderson@gmail.com> wrote:
> I have a build.xml file which will read log4j.properties, stored in
> conf, from conf and log message to another dir e.g. logs/file.log
>
> My build file's classpath points to conf and then when launch the
> application it will have classpath provided.
>
> =A0 <path id=3D"myapp.classpath">
> =A0 =A0 =A0 =A0...
> =A0 =A0 =A0 =A0<pathelement location=3D"${spider.conf}"/>
> =A0 =A0 =A0 =A0...
> =A0 =A0</path>
>
> And in target run, it provides with classpath
>
> =A0 <target name=3D"run" depends=3D"clean,package">
> =A0 =A0 =A0 =A0<java fork=3D"true" classname=3D"...">
> =A0 =A0 =A0 =A0 =A0 =A0<classpath>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<path refid=3D"myapp.classpath"/>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<path location=3D"${project.jar}"/>
> =A0 =A0 =A0 =A0 =A0 =A0</classpath>
> =A0 =A0 =A0 =A0 =A0 =A0<arg line=3D"-Dlog4j.debug"/>
> =A0 =A0 =A0 =A0</java>
> =A0 =A0</target>
>
>
> The content of log4j.properties
>
> log4j.rootLogger =3D DEBUG, RRX
>
> log4j.rootLogger =3D INFO, LOGFILE
>
> log4j.appender.LOGFILE=3Dorg.apache.log4j.FileAppender
> log4j.appender.LOGFILE.File=3Dmessage.log
> log4j.appender.LOGFILE.layout=3Dorg.apache.log4j.Pattern Layout
> log4j.appender.LOGFILE.layout.ConversionPattern=3D%d %-5p %c - %m%n
>
> However, it seems ant does not read log4j.properties so no message is
> written to file.
>
> I supply ant with -Dlog4j.debug in the target run or in command line
> directly e.g. ant run -Dlog4j.debug, but there is no different. How
> can I check if log4j property is read from config or not? Or how to
> fix this problem?
>
> Thanks.
>

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