August 2006 - logback-dev - mailman3.qos.ch

svn commit: r403 - logback/classic/trunk/src/test/input/joran
by noreply.ceki＠qos.ch 07 Aug '06

07 Aug '06

Author: ceki Date: Mon Aug 7 19:33:35 2006 New Revision: 403 Modified: logback/classic/trunk/src/test/input/joran/simple2.xml logback/classic/trunk/src/test/input/joran/simpleLevel.xml logback/classic/trunk/src/test/input/joran/simpleList.xml Log: corrected or removed namespace declarations Modified: logback/classic/trunk/src/test/input/joran/simple2.xml ============================================================================== --- logback/classic/trunk/src/test/input/joran/simple2.xml (original) +++ logback/classic/trunk/src/test/input/joran/simple2.xml Mon Aug 7 19:33:35 2006 @@ -1,7 +1,7 @@ <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration> -<configuration xmlns:log4j='http://com.logback.com/' debug="true"> +<configuration debug="true"> <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender"> <layout class="ch.qos.logback.classic.PatternLayout"> Modified: logback/classic/trunk/src/test/input/joran/simpleLevel.xml ============================================================================== --- logback/classic/trunk/src/test/input/joran/simpleLevel.xml (original) +++ logback/classic/trunk/src/test/input/joran/simpleLevel.xml Mon Aug 7 19:33:35 2006 @@ -1,7 +1,7 @@ <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration> -<configuration xmlns:log4j='http://com.logback.com/' debug="true"> +<configuration debug="true"> <appender name="LIST" class="ch.qos.logback.core.appender.ListAppender"/> Modified: logback/classic/trunk/src/test/input/joran/simpleList.xml ============================================================================== --- logback/classic/trunk/src/test/input/joran/simpleList.xml (original) +++ logback/classic/trunk/src/test/input/joran/simpleList.xml Mon Aug 7 19:33:35 2006 @@ -1,7 +1,7 @@ <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration> -<configuration xmlns:logback='http://com.logback.com/' debug="true"> +<configuration xmlns:logback='http://ch.qos.logback/' debug="true"> <appender name="LIST" class="ch.qos.logback.core.appender.ListAppender"/>

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svn commit: r402 - in logback/classic/trunk/src/site/resources: . images
by noreply.seb＠qos.ch 07 Aug '06

07 Aug '06

Author: seb Date: Mon Aug 7 19:33:00 2006 New Revision: 402 Added: logback/classic/trunk/src/site/resources/ logback/classic/trunk/src/site/resources/images/ logback/classic/trunk/src/site/resources/images/loggerLevel.jpg (contents, props changed) Log: added an image showing level hierarchy Added: logback/classic/trunk/src/site/resources/images/loggerLevel.jpg ============================================================================== Binary file. No diff available.

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svn commit: r401 - in logback/classic/trunk/src/test: input/joran java/ch/qos/logback/classic/joran
by noreply.ceki＠qos.ch 07 Aug '06

07 Aug '06

Author: ceki Date: Mon Aug 7 19:30:33 2006 New Revision: 401 Added: logback/classic/trunk/src/test/input/joran/simpleLevel.xml Modified: logback/classic/trunk/src/test/input/joran/simple2.xml logback/classic/trunk/src/test/input/joran/simpleList.xml logback/classic/trunk/src/test/java/ch/qos/logback/classic/joran/BasicJoranTest.java Log: new test case and input files associated with the confiuguration/logger element in joran config files. Modified: logback/classic/trunk/src/test/input/joran/simple2.xml ============================================================================== --- logback/classic/trunk/src/test/input/joran/simple2.xml (original) +++ logback/classic/trunk/src/test/input/joran/simple2.xml Mon Aug 7 19:30:33 2006 @@ -10,7 +10,7 @@ </appender> <root> - <level value ="DEBUG" /> + <level value="DEBUG" /> <appender-ref ref="CONSOLE" /> </root> Added: logback/classic/trunk/src/test/input/joran/simpleLevel.xml ============================================================================== --- (empty file) +++ logback/classic/trunk/src/test/input/joran/simpleLevel.xml Mon Aug 7 19:30:33 2006 @@ -0,0 +1,19 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<!DOCTYPE configuration> + +<configuration xmlns:log4j='http://com.logback.com/' debug="true"> + + <appender name="LIST" class="ch.qos.logback.core.appender.ListAppender"/> + + + <logger name="ch.qos.logback.classic.joran"> + <level value="INFO" /> + </logger> + + <root> + <level value="DEBUG" /> + <appender-ref ref="LIST" /> + </root> + +</configuration> + \ No newline at end of file Modified: logback/classic/trunk/src/test/input/joran/simpleList.xml ============================================================================== --- logback/classic/trunk/src/test/input/joran/simpleList.xml (original) +++ logback/classic/trunk/src/test/input/joran/simpleList.xml Mon Aug 7 19:30:33 2006 @@ -3,11 +3,7 @@ <configuration xmlns:logback='http://com.logback.com/' debug="true"> - <appender name="LIST" class="ch.qos.logback.core.appender.ListAppender"> - <layout class="com.logback.classic.PatternLayout"> - <param name="Pattern" value="%d - %m%n"/> - </layout> - </appender> + <appender name="LIST" class="ch.qos.logback.core.appender.ListAppender"/> <root> <level value="DEBUG" /> Modified: logback/classic/trunk/src/test/java/ch/qos/logback/classic/joran/BasicJoranTest.java ============================================================================== --- logback/classic/trunk/src/test/java/ch/qos/logback/classic/joran/BasicJoranTest.java (original) +++ logback/classic/trunk/src/test/java/ch/qos/logback/classic/joran/BasicJoranTest.java Mon Aug 7 19:30:33 2006 @@ -9,7 +9,9 @@ */ package ch.qos.logback.classic.joran; +import junit.framework.Test; import junit.framework.TestCase; +import junit.framework.TestSuite; import ch.qos.logback.classic.Logger; import ch.qos.logback.classic.LoggerContext; import ch.qos.logback.classic.spi.LoggingEvent; @@ -19,7 +21,11 @@ public class BasicJoranTest extends TestCase { - public void test() { + public BasicJoranTest(String name) { + super(name); + } + + public void testSimpleList() { JoranConfigurator jc = new JoranConfigurator(); LoggerContext loggerContext = new LoggerContext(); jc.setContext(loggerContext); @@ -38,6 +44,24 @@ assertEquals(msg, le.getMessage()); } + public void testLevel() { + JoranConfigurator jc = new JoranConfigurator(); + LoggerContext loggerContext = new LoggerContext(); + jc.setContext(loggerContext); + jc.doConfigure(Constants.TEST_DIR_PREFIX + "input/joran/simpleLevel.xml"); + + StatusPrinter.print(loggerContext.getStatusManager()); + + Logger logger = loggerContext.getLogger(this.getClass().getName()); + Logger root = loggerContext.getRootLogger(); + ListAppender listAppender = (ListAppender) root.getAppender("LIST"); + assertEquals(0, listAppender.list.size()); + String msg = "hello world"; + logger.debug(msg); + assertEquals(0, listAppender.list.size()); + //LoggingEvent le = (LoggingEvent) listAppender.list.get(0); + //assertEquals(msg, le.getMessage()); + } public void testEval() { JoranConfigurator jc = new JoranConfigurator(); @@ -52,4 +76,17 @@ logger.debug("toto"); logger.debug(msg); } + + + public static Test COMMENTED_OUT_suite() { + TestSuite suite = new TestSuite(); + suite.addTest(new BasicJoranTest("testLevel")); + + //suite.addTest(new BasicJoranTest("testSimpleList")); + + return suite; + } + + + }

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svn commit: r400 - logback/classic/trunk/src/main/java/ch/qos/logback/classic/joran
by noreply.ceki＠qos.ch 07 Aug '06

07 Aug '06

Author: ceki Date: Mon Aug 7 19:26:40 2006 New Revision: 400 Modified: logback/classic/trunk/src/main/java/ch/qos/logback/classic/joran/JoranConfigurator.java Log: added an ommitted action related to configuration/logger element Modified: logback/classic/trunk/src/main/java/ch/qos/logback/classic/joran/JoranConfigurator.java ============================================================================== --- logback/classic/trunk/src/main/java/ch/qos/logback/classic/joran/JoranConfigurator.java (original) +++ logback/classic/trunk/src/main/java/ch/qos/logback/classic/joran/JoranConfigurator.java Mon Aug 7 19:26:40 2006 @@ -7,14 +7,14 @@ * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation. */ - -package ch.qos.logback.classic.joran; +package ch.qos.logback.classic.joran; import ch.qos.logback.classic.joran.action.ConfigurationAction; import ch.qos.logback.classic.joran.action.EvaluatorAction; import ch.qos.logback.classic.joran.action.LayoutAction; import ch.qos.logback.classic.joran.action.LevelAction; +import ch.qos.logback.classic.joran.action.LoggerAction; import ch.qos.logback.classic.joran.action.RootLoggerAction; import ch.qos.logback.core.joran.JoranConfiguratorBase; import ch.qos.logback.core.joran.action.AppenderRefAction; @@ -22,42 +22,36 @@ import ch.qos.logback.core.joran.spi.Pattern; import ch.qos.logback.core.joran.spi.RuleStore; - - /** * A JoranConfigurator add few rules specific to the Classic module. - * + * * @author Ceki Gülcü */ public class JoranConfigurator extends JoranConfiguratorBase { - + public JoranConfigurator() { } - + public void addInstanceRules(RuleStore rs) { - + rs.addRule(new Pattern("configuration"), new ConfigurationAction()); - - rs.addRule( - new Pattern("configuration/evaluator"), new EvaluatorAction()); - rs.addRule( - new Pattern("configuration/evaluator/matcher"), new MatcherAction()); - - rs.addRule( - new Pattern("configuration/logger/level"), new LevelAction()); - rs.addRule( - new Pattern("configuration/root"), new RootLoggerAction()); - rs.addRule( - new Pattern("configuration/root/level"), new LevelAction()); - rs.addRule( - new Pattern("configuration/logger/appender-ref"), + + rs.addRule(new Pattern("configuration/evaluator"), new EvaluatorAction()); + rs.addRule(new Pattern("configuration/evaluator/matcher"), + new MatcherAction()); + + rs.addRule(new Pattern("configuration/logger"), new LoggerAction()); + rs.addRule(new Pattern("configuration/logger/level"), new LevelAction()); + + rs.addRule(new Pattern("configuration/root"), new RootLoggerAction()); + rs.addRule(new Pattern("configuration/root/level"), new LevelAction()); + rs.addRule(new Pattern("configuration/logger/appender-ref"), new AppenderRefAction()); - rs.addRule( - new Pattern("configuration/root/appender-ref"), + rs.addRule(new Pattern("configuration/root/appender-ref"), new AppenderRefAction()); - rs.addRule( - new Pattern("configuration/appender/layout"), new LayoutAction()); + rs + .addRule(new Pattern("configuration/appender/layout"), + new LayoutAction()); } - }

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svn commit: r399 - logback/classic/trunk/examples/src/chapter1
by noreply.seb＠qos.ch 07 Aug '06

07 Aug '06

Author: seb Date: Mon Aug 7 17:35:17 2006 New Revision: 399 Added: logback/classic/trunk/examples/src/chapter1/Bar.java Modified: logback/classic/trunk/examples/src/chapter1/MyApp.java Log: extracted Bar class from MyApp file, so we can use it in other examples Added: logback/classic/trunk/examples/src/chapter1/Bar.java ============================================================================== --- (empty file) +++ logback/classic/trunk/examples/src/chapter1/Bar.java Mon Aug 7 17:35:17 2006 @@ -0,0 +1,11 @@ +package chapter1; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +class Bar { + Logger logger = LoggerFactory.getLogger(Bar.class); + public void doIt() { + logger.debug("doing my job"); + } +} \ No newline at end of file Modified: logback/classic/trunk/examples/src/chapter1/MyApp.java ============================================================================== --- logback/classic/trunk/examples/src/chapter1/MyApp.java (original) +++ logback/classic/trunk/examples/src/chapter1/MyApp.java Mon Aug 7 17:35:17 2006 @@ -1,8 +1,8 @@ package chapter1; // Import SLF4J classes. -import org.slf4j.LoggerFactory; import org.slf4j.Logger; +import org.slf4j.LoggerFactory; import ch.qos.logback.BasicConfigurator; @@ -23,10 +23,3 @@ logger.info("Exiting application."); } } - -class Bar { - Logger logger = LoggerFactory.getLogger(Bar.class); - public void doIt() { - logger.debug("doing my job"); - } -} \ No newline at end of file

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svn commit: r398 - logback/topLevel/trunk/src/site/xdocTemplates
by noreply.seb＠qos.ch 07 Aug '06

07 Aug '06

Author: seb Date: Mon Aug 7 15:13:00 2006 New Revision: 398 Modified: logback/topLevel/trunk/src/site/xdocTemplates/index.xml Log: spelling correction Modified: logback/topLevel/trunk/src/site/xdocTemplates/index.xml ============================================================================== --- logback/topLevel/trunk/src/site/xdocTemplates/index.xml (original) +++ logback/topLevel/trunk/src/site/xdocTemplates/index.xml Mon Aug 7 15:13:00 2006 @@ -34,7 +34,7 @@ Logging. The Access module integrates with Servlet containers to - provide HTPP-access log functionality. Note that you can + provide HTTP-access log functionality. Note that you can easily build your own modules on top of the Core module. </p> <p>Please stay tuned for further updates on this web-page.</p>

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svn commit: r397 - logback/topLevel/trunk/src/site/xdocTemplates
by noreply.seb＠qos.ch 07 Aug '06

07 Aug '06

Author: seb Date: Mon Aug 7 12:06:51 2006 New Revision: 397 Modified: logback/topLevel/trunk/src/site/xdocTemplates/index.xml Log: minor fix Modified: logback/topLevel/trunk/src/site/xdocTemplates/index.xml ============================================================================== --- logback/topLevel/trunk/src/site/xdocTemplates/index.xml (original) +++ logback/topLevel/trunk/src/site/xdocTemplates/index.xml Mon Aug 7 12:06:51 2006 @@ -4,7 +4,7 @@ <properties> <author email="ceki at qos ddoott ch ">Ceki Gülcü</author> - <title>${pom.name} download</title> + <title>${pom.name}</title> </properties> <body>

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svn commit: r396 - logback/classic/trunk/src/site/xdocTemplates
by noreply.ceki＠qos.ch 06 Aug '06

06 Aug '06

Author: ceki Date: Sun Aug 6 19:20:25 2006 New Revision: 396 Modified: logback/classic/trunk/src/site/xdocTemplates/shortIntro.xml Log: work in progress Modified: logback/classic/trunk/src/site/xdocTemplates/shortIntro.xml ============================================================================== --- logback/classic/trunk/src/site/xdocTemplates/shortIntro.xml (original) +++ logback/classic/trunk/src/site/xdocTemplates/shortIntro.xml Sun Aug 6 19:20:25 2006 @@ -83,11 +83,13 @@ <h2>First Baby Step</h2> <p>After you have added the jar fiiles <em>logback-core.jar</em> - and <em>logback-classic.jar</em> to your classpath, we can start + and <em>logback-classic.jar</em> to your classpath, you can begin experimenting with logback. </p> -<div class="source">1 package chapter1; +<div class="source"><em>Example 1.1: Basic template for logging (examples/HelloWorld1.java)</em> + +1 package chapter1; 2 3 import org.slf4j.Logger; 4 import org.slf4j.LoggerFactory; @@ -96,85 +98,95 @@ 7 8 public static void main(String[] args) { 9 -10 Logger logger = LoggerFactory.getLogger(BabyStep1.class); +10 Logger logger = LoggerFactory.getLogger("example/BabyStep1"); 11 logger.debug("Hello world."); 12 13 } 14 } </div> -  - <p>The <code>HelloWorld</code> class is defined in the <code>chapter1</code> package. It starts by importing the <code>Logger</code> and <code>LoggerFactory</code> classes as defined in the SLF4J API, more specifically in the - <code>org.slf4j</code> package. You will note that the above - example does not reference any logback classes. In most cases, as - far as logging is concerned, your classes will need to import only - SLF4J classes. In principle, you will have to import logback - classes only for configuring logback. Thus, the vast majority of - your classes will only be cognizant of SLF4J API and oblivious to - the existence of logback. + <code>org.slf4j</code> package. </p> - <p>Then a static variable gets a Logger that is initialised with - the <code>HelloWorld</code> class. The main method then invokes the - debug method of the received Logger. It gives the method a simple - String with the message to log. Put differently, the main method - contains a logging statement of level debug containing the message - “Hello world”. + <p>On line 10, the variable named <code>logger</code> is assigned + a <code>Logger</code> instance retreived by invoking the static + method <code>getLogger</code> in the <code>LoggerFactory</code> + class. This logger is named "example/BabyStep1". The main method + proceeds to call its <code>debug</code> method with the argument + "Hello world." We say that the main method contains a logging + statement of level debug containing the message “Hello world”. </p> - <p> - You can compile and run this class as follows: + <p>You will note that the above example does not reference any + logback classes. In most cases, as far as logging is concerned, + your classes will need to import only SLF4J classes. In principle, + you will have to import logback classes only for configuring + logback. Thus, the vast majority of your classes will only be + cognizant of SLF4J API and oblivious to the existence of logback. + </p> + + + <p><b>ceki: compile?</b> + You can compile and run this class with the command: </p> - <div class="source">java ch.qos.logback.classic.examples.HelloWorld1</div> + <div class="source">java chapter1.HelloWorld1</div> - <p>This will not produce any logging output. What happened? - Well, a powerful tool in logback is the Status and associated - classes. It keeps track of any events of importance that happen - during the use of logback. A simple statement can help us see why - nothing was logged: - </p> + <p>Suprisingly enough, launching the <code>HelloWorld1</code> + application will not produce <em>any</em> output. Logback does not + posses a default configuration. Without a valid configuration, + logback will be as silent as a mummy. + </p> + + <p>Logback can report information about its internal state using a + built-in status system. Important events occuring during logback's + lifetime can be accessed through a <code>StatusManager</code>. For + the time being, let us tell logback to print its internal + state. This is accomplished by a static method in the + <code>LoggerStatusPrinter</code> class. + </p> -<div class="source">package ch.qos.logback.classic.examples; +<div class="source">package chapter1; import org.slf4j.Logger; import org.slf4j.LoggerFactory; - -import ch.qos.logback.classic.util.LoggerStatusPrinter; +<b>import ch.qos.logback.classic.util.LoggerStatusPrinter;</b> public class HelloWorld2 { - final static Logger logger = LoggerFactory.getLogger(HelloWorld1.class); - public static void main(String[] args) { - + Logger logger = LoggerFactory.getLogger(HelloWorld2.class); logger.debug("Hello world."); - LoggerStatusPrinter.printStatusInDefaultContext(); - + <b>LoggerStatusPrinter.printStatusInDefaultContext();</b> } } </div> - <p> - The LoggerStatusPrinter will print whatever Statuses were sent to the - StatusManager. Running again the class with the new statement will - output to the console the next lines: - </p> -<div class="source"> -ERROR in Logger[ch.qos.logback.classic.examples.HelloWorld2] - No appenders present \\ -in the hierarchy [default] for logger [ch.qos.logback.classic.examples.HelloWorld2]. -</div> - <p> - We now know why nothing was logged: no Appenders are configured. - An Appender is a class that can be seen as an output destination. - Appenders exist for many different destinations including the console, - files, and many more. Users can also easily create their own Appenders - for any specific situation. + + + <p>Running the <code>HelloWorld2</code> application will produce + the following output:</p> + +<div class="source">ERROR in Logger[chapter1.HelloWorld2] - No appenders present in context [default] for logger [chapter1.HelloWorld2].</div> + + +  + + <p>Logback is complaining that no appenders were configured for + the default context. + + + An Appender is a class that can + be seen as an output destination. Appenders exist for many + different destinations including the console, files, and many + more. Users can also easily create their own Appenders for any + specific situation. </p> + <p> Configuring logback classic can be done a different ways. The simplest but less flexible way is by calling the <code>BasicConfigurator</code>

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svn commit: r395 - logback/classic/trunk/src/main/java/ch/qos/logback/classic
by noreply.ceki＠qos.ch 06 Aug '06

06 Aug '06

Author: ceki Date: Sun Aug 6 19:18:13 2006 New Revision: 395 Modified: logback/classic/trunk/src/main/java/ch/qos/logback/classic/LoggerContext.java Log: In logback we talk about contexts, not hierarchies. Modified: logback/classic/trunk/src/main/java/ch/qos/logback/classic/LoggerContext.java ============================================================================== --- logback/classic/trunk/src/main/java/ch/qos/logback/classic/LoggerContext.java (original) +++ logback/classic/trunk/src/main/java/ch/qos/logback/classic/LoggerContext.java Sun Aug 6 19:18:13 2006 @@ -110,7 +110,7 @@ final void noAppenderDefinedWarning(final Logger logger) { if (noAppenderWarning++ == 0) { getStatusManager().add(new ErrorStatus( - "No appenders present in the hierarchy ["+ getName() +"] for logger [" + logger.getName() + "].", logger)); + "No appenders present in context ["+ getName() +"] for logger [" + logger.getName() + "].", logger)); } } }

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svn commit: r394 - logback/classic/trunk/examples/src/chapter1
by noreply.ceki＠qos.ch 06 Aug '06

06 Aug '06

Author: ceki Date: Sun Aug 6 19:10:37 2006 New Revision: 394 Added: logback/classic/trunk/examples/src/chapter1/HelloWorld1.java - copied, changed from r389, logback/classic/trunk/examples/src/chapter1/BabyStep1.java logback/classic/trunk/examples/src/chapter1/HelloWorld2.java - copied, changed from r389, logback/classic/trunk/examples/src/chapter1/BabyStep2.java logback/classic/trunk/examples/src/chapter1/HelloWorld3.java - copied, changed from r389, logback/classic/trunk/examples/src/chapter1/BabyStep3.java Removed: logback/classic/trunk/examples/src/chapter1/BabyStep1.java logback/classic/trunk/examples/src/chapter1/BabyStep2.java logback/classic/trunk/examples/src/chapter1/BabyStep3.java Log: HelloWorld is the tradional name for hello world type applications... :-) Copied: logback/classic/trunk/examples/src/chapter1/HelloWorld1.java (from r389, logback/classic/trunk/examples/src/chapter1/BabyStep1.java) ============================================================================== --- logback/classic/trunk/examples/src/chapter1/BabyStep1.java (original) +++ logback/classic/trunk/examples/src/chapter1/HelloWorld1.java Sun Aug 6 19:10:37 2006 @@ -3,11 +3,11 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; -public class BabyStep1 { +public class HelloWorld1 { public static void main(String[] args) { - Logger logger = LoggerFactory.getLogger(BabyStep1.class); + Logger logger = LoggerFactory.getLogger(HelloWorld1.class); logger.debug("Hello world."); } Copied: logback/classic/trunk/examples/src/chapter1/HelloWorld2.java (from r389, logback/classic/trunk/examples/src/chapter1/BabyStep2.java) ============================================================================== --- logback/classic/trunk/examples/src/chapter1/BabyStep2.java (original) +++ logback/classic/trunk/examples/src/chapter1/HelloWorld2.java Sun Aug 6 19:10:37 2006 @@ -5,14 +5,11 @@ import ch.qos.logback.classic.util.LoggerStatusPrinter; -public class BabyStep2 { +public class HelloWorld2 { public static void main(String[] args) { - - Logger logger = LoggerFactory.getLogger(BabyStep2.class); - + Logger logger = LoggerFactory.getLogger(HelloWorld2.class); logger.debug("Hello world."); LoggerStatusPrinter.printStatusInDefaultContext(); - } } Copied: logback/classic/trunk/examples/src/chapter1/HelloWorld3.java (from r389, logback/classic/trunk/examples/src/chapter1/BabyStep3.java) ============================================================================== --- logback/classic/trunk/examples/src/chapter1/BabyStep3.java (original) +++ logback/classic/trunk/examples/src/chapter1/HelloWorld3.java Sun Aug 6 19:10:37 2006 @@ -6,16 +6,13 @@ import ch.qos.logback.BasicConfigurator; import ch.qos.logback.classic.util.LoggerStatusPrinter; -public class BabyStep3 { +public class HelloWorld3 { - - public static void main(String[] args) { - - Logger logger = LoggerFactory.getLogger(BabyStep3.class); + public static void main(String[] args) { + Logger logger = LoggerFactory.getLogger(HelloWorld3.class); BasicConfigurator.configureDefaultContext(); logger.debug("Hello world."); LoggerStatusPrinter.printStatusInDefaultContext(); - } }

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