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From David Jencks <david_jen...@yahoo.com>
Subject Re: log4jResource setting in GBean: ApplicationLog4jConfigurationGBean
Date Tue, 09 Jun 2009 07:34:41 GMT

On Jun 8, 2009, at 11:03 PM, viola.lu wrote:

>
> hi, i follow steps in
> http://cwiki.apache.org/GMOxDOC22/configuring-application-specific-logging-with-log4j.html

> ,
> and add gbean information in geronimo-web.xml using log4jResource.
>
> <dep:gbean
> class 
> = 
> "org 
> .apache 
> .geronimo.system.logging.log4j.ApplicationLog4jConfigurationGBean"
> name="testlogLog4jConfiguration">
>
>    <dep:attribute
> name="log4jResource">META-INF/log4j.properties</dep:attribute>
>
>    </dep:gbean>
>
> But "Can't find META-INF/log4j.properties " error always exists. if  
> i use
> log4jFile setting like below:
>
> <dep:gbean
> class 
> = 
> "org 
> .apache 
> .geronimo.system.logging.log4j.ApplicationLog4jConfigurationGBean"
> name="testlogLog4jConfiguration">
>      <dep:attribute
> name="log4jFile">var/log/log4j.properties</dep:attribute>
>    <dep:reference
> name="ServerInfo"><dep:name>ServerInfo</dep:name></dep:reference>
>    <!--<dep:attribute
> name="log4jResource">META-INF/log4j.properties</dep:attribute>-->
>    </dep:gbean>
>
> it works well.
>
> I looked into ApplicationLog4jConfigurationGBean code:
> ...
> InputStream in;
>        if (log4jFile != null) {
>            File file = serverInfo.resolveServer(log4jFile);
>            in = new FileInputStream(file);
>        } else if (log4jResource != null) {
>            in = classloader.getResourceAsStream(log4jResource);
>            if (in == null) {
>                throw new NullPointerException("No log4j properties  
> resource
> found at " + log4jResource);
>            }
>        } else {
>            return;
>        }
>
> ...
>
> in = classloader.getResourceAsStream(log4jResource);
>
> ClassLoader will search this file from classpath, and my project  
> structure
> is:
>
> LogWeb
>    ---src(testlog.java
>    ---WebContent
>          META-INF(log4j.properties)
>          WEB-INF
>          index.jsp
>    ----
>
> Why it can't find out file META-INF/log4j.properties?

Because that's not in your classpath.

Try WEB-INF/classes/META-INF/log4j.properties.

thanks
david jencks

>
>
> Anyone can figure it out? Thanks.
> -- 
> View this message in context: http://www.nabble.com/log4jResource-setting-in-GBean%3A-ApplicationLog4jConfigurationGBean-tp23936783s134p23936783.html
> Sent from the Apache Geronimo - Users mailing list archive at  
> Nabble.com.
>

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