Remove commons-logging dependency properly and switch tutorial sample to logback/slf4j.

samples/tutorial/src/main/webapp/WEB-INF/classes/log4j.properties

@@ -1,16 +0,0 @@
-# Global logging configuration
-log4j.rootLogger=DEBUG, stdout
-
-log4j.logger.org.springframework.security=DEBUG
-
-# Console output...
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.conversionPattern=[%p,%c{1}] %m%n
-
-# Rolling log file output...
-log4j.appender.fileout=org.apache.log4j.FileAppender
-log4j.appender.fileout.File=spring-security-tutorial.log
-log4j.appender.fileout.layout=org.apache.log4j.PatternLayout
-log4j.appender.fileout.layout.conversionPattern=%d{ABSOLUTE} %5p %c{1},%t:%L - %m%n
-log4j.appender.fileout.Append=false

samples/tutorial/src/main/webapp/WEB-INF/classes/logback.xml

@@ -0,0 +1,14 @@
+<configuration>
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <logger name="org.springframework.security" level="DEBUG"/>
+
+  <root level="INFO">
+    <appender-ref ref="STDOUT" />
+  </root>
+
+</configuration>

samples/tutorial/src/main/webapp/WEB-INF/web.xml

@@ -22,11 +22,6 @@
         </param-value>
     </context-param>
 
-    <context-param>
-        <param-name>log4jConfigLocation</param-name>
-        <param-value>/WEB-INF/classes/log4j.properties</param-value>
-    </context-param>
-
     <context-param>
         <param-name>webAppRootKey</param-name>
         <param-value>tutorial.root</param-value>
@@ -59,10 +54,6 @@
       <listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
     </listener>
 
-    <listener>
-        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
-    </listener>
-
   <!--
     - Provides core MVC application controller. See contacts-servlet.xml.
     -->