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From: Apache Wiki <wikidiffs@apache.org>
To: general@ws.apache.org
Date: Thu, 18 Aug 2005 13:03:03 -0000
Message-ID: <20050818130303.13099.50099@ajax.apache.org>
Subject: [Ws Wiki] Update of "FrontPage/Axis/ViewSOAPMessages" by
 DavanumSrinivas

Dear Wiki user,

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The following page has been changed by DavanumSrinivas:
http://wiki.apache.org/ws/FrontPage/Axis/ViewSOAPMessages

New page:
== Using the log4j system to observe SOAP message ==

Log4j is an apache project to log run time information. You can use Log4J to observe
SOAP message at both client side and server side. More than that, you can also observe
other operations Tomcat executes. Be default, this system is not available. You may have
already noticed the warn message about the loggers when you run axis applications.

First, save the code in the following block into a file name log4j.properties. This log4j
configuration file is for logging the SOAP relevant information in file “axis.log”.
{{{
# Set root logger level to WARN and its only appender to A1.
log4j.rootLogger=WARN, A1
# show DEBUG for SOAPPart method
log4j.logger.org.apache.axis.SOAPPart=DEBUG
# A1 is set to be a ConsoleAppender.
# log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1=org.apache.log4j.FileAppender
log4j.appender.A1.File=axis.log
# A1 uses PatternLayout.
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n
}}}

Second, use it for logging client side SOAP messages:
Copy log4j.properties in the directory where the java command runs. Java will find the
configuration file and use it automatically. E.g.
{{{
java samples.stock.GetQuote -uuser1 -wpass1 XXX
}}}
Or use the option –D to indicate the configuration file:
{{{
java -Dlog4j.configuration=file:log4j.properties samples.stock.GetQuote -uuser1 -wpass1 XXX
}}}
You will find the file axis.log at the same directory which records the SOAP messages.

Third, use it for logging server side SOAP messages:
Copy the log4j.properties into the directory where axis engine starts:
{{{
%AXIS_START_DIR%/axis/WEB-INF/classes
}}}
You will find the log file at the directory where you start the tomcat server. On my
computer is at
{{{
%CATALINA_HOME%/bin
}}}

ORIGINAL ARTICLE: http://personal.nbnet.nb.ca/dragonfy/ebcourse/Lecture3/Log4j.pdf