OK, this was caused by having removed commons-logging-1.1.jar from the classpath. I still don't understand why it is required. The wicket 1.4.0 readme says:
> You only need to include the Servlet API (2.3, just for compiling) and > the SLF4J logging implementation you want. You cannot use Wicket > without > adding a SLF4J logging implementation to your classpath. Most people > use > log4j. If you do, just include slf4j-log4j12.jar on your classpath to > get > Wicket to use log4j too. If you want to use commons-logging or JDK14 > logging or something else, please see the SLF4J site > (http://www.slf4j.org/) > for more information. Hence I assumed, that commons-logging-1.1.jar is NOT required. I'm confused. Tom Thomas Singer wrote: > When I launch our wicket application in Tomcat 5.5.27 I'm getting following > output in the IDEA console: > >> cmd /c C:\apache-tomcat-5.5.27\bin\catalina.bat run >> Using CATALINA_BASE: C:\Dokumente und >> Einstellungen\tom\.IntelliJIdea8x\system\tomcat\tomcat_Unnamed_websitecaa32f44 >> Using CATALINA_HOME: C:\apache-tomcat-5.5.27 >> Using CATALINA_TMPDIR: C:\apache-tomcat-5.5.27\temp >> Using JRE_HOME: C:\Programme\Java\jdk1.6.0_14 >> 04.08.2009 11:19:04 org.apache.coyote.http11.Http11BaseProtocol init >> INFO: Initializing Coyote HTTP/1.1 on http-8080 >> 04.08.2009 11:19:04 org.apache.catalina.startup.Catalina load >> INFO: Initialization processed in 234 ms >> 04.08.2009 11:19:04 org.apache.catalina.core.StandardService start >> INFO: Starting service Catalina >> 04.08.2009 11:19:04 org.apache.catalina.core.StandardEngine start >> INFO: Starting Servlet Engine: Apache Tomcat/5.5.27 >> 04.08.2009 11:19:04 org.apache.catalina.core.StandardHost start >> INFO: XML validation disabled >> 04.08.2009 11:19:04 org.apache.catalina.startup.HostConfig deployDescriptor >> SCHWERWIEGEND: Error deploying configuration descriptor ROOT.xml >> org.apache.commons.logging.LogConfigurationException: User-specified log >> class 'org.apache.commons.logging.impl.Log4JLogger' cannot be found or is >> not useable. >> at >> org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:874) >> at >> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:604) >> at >> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:336) >> at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:704) >> at >> org.apache.catalina.core.ContainerBase.getLogger(ContainerBase.java:381) >> at >> org.apache.catalina.core.StandardContext.start(StandardContext.java:4119) >> at >> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) >> at >> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) >> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) >> at >> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626) >> at >> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553) >> at >> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488) >> at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150) >> at >> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) >> at >> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) >> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) >> at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) >> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) >> at >> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) >> at >> org.apache.catalina.core.StandardService.start(StandardService.java:448) >> at >> org.apache.catalina.core.StandardServer.start(StandardServer.java:700) >> at org.apache.catalina.startup.Catalina.start(Catalina.java:552) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) >> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) > > My Wicket module depends on log4j-1.2.13.jar, portlet-api-2.0.jar, > slf4j-api-1.4.2.jar and slf4j-log4j12-1.4.2.jar. I had replaced Tomcat's > conf/server.xml with the conf/server-minimal.xml. I'm not using Maven. > > Any one knows what to do to fix it? Thanks in advance. > > Tom > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org