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Subject: RE: [logging] [digester maybe?] Is this correct syntax for
 commons-logging?
Date: Wed, 7 Jul 2004 12:22:15 -0400
Message-ID: <A2E9CAD0069B4540A8735DC395CFD4BF017D4B67@exchange.osi.ad>
From: "Mark Horn" <hornm@optimalinternet.com>
To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>

It is because you have your rootLogger set to DEBUG. =20
log4j.rootLogger=3DDEBUG, GuiAppender

I would suggest setting you rootLogger to ERROR
And setting a logger for your package

Example:=20
Log4j.rootLogger=3DERROR, GuiAppender
log4j.logger.com.mycompany.mypackage=3DDEBUG

Mark Horn

-----Original Message-----
From: Dan Tarkenton [mailto:dant@tarksoft.com]=20
Sent: Wednesday, July 07, 2004 12:00 PM
To: commons-user@jakarta.apache.org
Subject: [logging] [digester maybe?] Is this correct syntax for
commons-logging?

Hello all.

I have a web app that uses Log4J.  I realize that commons-logging.jar=20
just provides an interface on top of a logging implementation such as=20
Log4J.  I am pretty sure that my commons-logging related syntax is what=20
is preventing me from controlling logging.  You see, I am also using=20
Apache Digester, and since Apache Digester uses commons-logging, it=20
seems to be finding my log4j.properties configuration file, and=20
automatically logging everything at the DEBUG level.  I assume it's just

finding the root logger of Log4J, and not my "class level" logger.  I am

trying to control that level of logging to only include ERROR level and=20
above.

I know this _sounds_ like a log4J problem, but I really believe I must=20
be using commons-logging API incorrectly.  Take a look at my syntax for=20
adding a logger to my Digester object:

public class TestResultsHandler implements MessageResourcesKeys {
  =20
    static final Logger logger =3D=20
Logger.getLogger(TestResultsHandler.class.getName());
.
.
.
public static Digester initializeParser() {
   =20
        Digester digester =3D new Digester();
      =20
        digester.setLogger(new Log4JLogger(logger));
        digester.setValidating(true);
        digester.setErrorHandler(new TestResultsErrorHandler());

        // configure digester rules
.
.
.
        return digester;
    }

public static void parse(String document) throws TestResultsException {
      =20
        Digester digester =3D initializeParser();

        TestResultsHandler resultsParser =3D null;
        try {
      =20
        //resultsParser =3D (TestResultsHandler)digester.parse(new=20
StringReader(document));
        resultsParser =3D
            (TestResultsHandler)digester.parse(new=20
File("/usr/local/projects/BOMAnalysis/web/xml/TestResults.xml"));
        } catch (SAXParseException saxe) {
            String msg =3D=20
MessageUtil.formatMessage(MSG_TEST_RESULTS_PARSER_FAILURE);
            throw new TestResultsException(msg, saxe);
        } catch (SAXException saxe) {
            String msg =3D=20
MessageUtil.formatMessage(MSG_TEST_RESULTS_PARSER_FAILURE);
            throw new TestResultsException(msg, saxe);
        } catch (IOException ioe) {
            String msg =3D=20
MessageUtil.formatMessage(MSG_TEST_RESULTS_IO_FAILURE);
            throw new TestResultsException(msg, ioe);
            =20
        }
    }
}

Here are the contents of my log4j.properties file in WEB-INF\classes:

log4j.rootLogger=3DDEBUG, GuiAppender
=20
# GuiAppender is set to be a FileAppender.
log4j.appender.GuiAppender=3Dorg.apache.log4j.FileAppender
log4j.appender.GuiAppender.Append=3Dtrue
log4j.appender.GuiAppender.File=3D/usr/local/projects/BOMAnalysis/logs/gu=
i
.log

# PmA1 uses PatternLayout.
log4j.appender.GuiAppender.layout=3Dorg.apache.log4j.PatternLayout
log4j.appender.GuiAppender.layout.ConversionPattern=3D%d: %-5p : %m%n

log4j.logger.com.titan.bat.gui.testresults.TestResultsHandler=3DERROR

No matter what level I set the LEVEL for=20
log4j.logger.com.titan.bat.gui.testresults.TestResultsHandler, I always=20
get DEBUG messages which makes me believe the Digester is defaulting to=20
the root logger of Log4J.  As a matter of fact, if I take out the code=20
for setting the logger for the digester, it will still log at the DEBUG=20
level.  This is why I think my use of the commons-logging api is=20
incorrect.  I think perhaps I'm incorrectly setting the logger for the=20
Digester object.  I have certainly named a logger,=20
com.titan.bat.gui.testresults.TestResultsHandler in this properties=20
file; is this not the same logger that is referenced as the static=20
logger member of my TestResultsHandler class?

Thanks in advance for any insight you may be able to provide.


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