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From "Eric B." <ebe...@hotmail.com>
Subject Re: Log4j vs JULI configuration discrepancy
Date Tue, 11 Aug 2009 21:25:38 GMT
"Mark Thomas" <markt@apache.org> wrote in message 
news:4A7C9110.50907@apache.org...
> Eric B. wrote:
>> Hi,
>>
> In catalina.properties, modify the following entry as shown:
> common.loader=${catalina.base}/lib,${catalina.home}/lib,${catalina.home}/lib/*.jar
>
> then you can place log4j.properties in CATALINA_BASE/lib

I switched the common.loader as you suggested above, and indeed the 
log4j.properties file is now found in the ${catalina.base}/lib directory. 
So a good start.

Now, however, I am running into a configuration discrepancy between 
logging.properties and the equiv log4j.properties/log4j.xml.  I was having 
trouble with getting the log4j.properties to "mirror" the 
logging.properties, so I swtiched to log4j.xml, but am running into the same 
problem:

My webapp uses log4j to log data to stdout.  When using Juli (in the default 
configuration), everything that is displayed in stdout is logged to 
catalina.out.  However, when I switch to log4j, this doesn't seem to be the 
case; only data that is logged by tomcat is logged to my catalina.out; 
anything my webapp is logging to stdout isn't captured in the file.

Original logging.properties (edited non relevant portions for brevity - but 
is the default logging.properties file)

handlers = 1catalina.org.apache.juli.FileHandler, 
java.util.logging.ConsoleHandler

.handlers = 1catalina.org.apache.juli.FileHandler, 
java.util.logging.ConsoleHandler

############################################################
# Handler specific properties.
# Describes specific configuration info for Handlers.
############################################################

1catalina.org.apache.juli.FileHandler.level = FINE
1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
1catalina.org.apache.juli.FileHandler.prefix = catalina.

java.util.logging.ConsoleHandler.level = FINE
java.util.logging.ConsoleHandler.formatter = 
java.util.logging.SimpleFormatter


So - from that, I read that everything (ie: .handlers) is logged to 
1catalina and ConsoleHandler. So far so good.

I tried to replicate this in a log4j.properties/xml with the following 
log4j.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>

        <appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
                <layout class="org.apache.log4j.PatternLayout">
                        <param name="ConversionPattern" value="%d{ISO8601} 
%-5p %c{5} - %m%n" />
                </layout>
        </appender>

      <!-- stdout logger to catalina.log file -->
        <appender name="CatalinaLog" 
class="org.apache.log4j.DailyRollingFileAppender">
                <param name="file" 
value="${catalina.base}/logs/catalina.log" />
                <param name="append" value="true" />
                <layout class="org.apache.log4j.PatternLayout">
                        <param name="ConversionPattern" value="%d{ISO8601} 
%-5p %c{5} - %m%n" />
                </layout>
        </appender>

         <!-- Default logger for the entire system -->
        <root>
                <level value="INFO" />
                <appender-ref ref="STDOUT" />
                <appender-ref ref="CatalinaLog" />
        </root>
</log4j:configuration>


However, I'm not getting the same response.  I would have thought that the 
log4j's root logger was the equi of the "." logger with juli.  Howver, like 
I said, I don't get any of the webapp's stdout logging routed to my 
CatalinaLog appender/file.

Am I missing something obvious here?  Is there a way to mirror juli's 
logging with log4j?

Thanks,

Eric




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