Just add slf4j-api-1.5.0.jar or appropriate version to classpath.
-----Original Message----- From: M Goodell [mailto:[email protected]] Sent: 12 February 2009 22:39 To: [email protected] Subject: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory Hello, I am in the process of evaluating Wicket for an upcoming project and in the process of writing some proof of concept code. Or trying to anyway. The problem I am having is that I keep getting the exception: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory after deploying and attempting to run the application. According to the Wicket quick start all I need to do is: "You cannot use Wicket without adding an 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 for more information." The following jars are on my classpath: - log4j-1.2.15.jar - slf4j-log4j12-1.5.6.jar - wicket-1.3.5.jar - wicket-auth-roles-1.3.5.jar - wicket-datetime-1.3.5.jar - wicket-extensions-1.3.5.jar - wicket-guice-1.3.5.jar - wicket-ioc-1.3.5.jar - wicket-jmx-1.3.5.jar - wicket-objectsizeof-agent-1.3.5.jar - wicket-spring-1.3.5.jar - wicket-spring-annot-1.3.5.jar Bear in mind that this is a NetBeans 6.5 project using apache-tomcat-5.5.23 and JDK 5 Am I missing jar a jar file(s) here that is not mentioned in the docs? I have tried to find the correct jar from the SLF4J distro but still no luck. Any suggestions are welcome!!! Thank you! M. Goodell NetBeans stack trace: SEVERE: Exception starting filter WicketApplication java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory at org.apache.wicket.protocol.http.WicketFilter.<clinit>(WicketFilter.java:76) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces sorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc torAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at java.lang.Class.newInstance0(Class.java:350) at java.lang.Class.newInstance(Class.java:303) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilter Config.java:208) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFil terConfig.java:302) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterCon fig.java:78) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:36 35) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:7 60) 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.deployApps(HostConfig.java:511) at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1220) 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:585) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:457) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java: 213) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanSer verInterceptor.java:815) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784) at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1397) at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:815) at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:344) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:174) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase .java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127 ) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117 ) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processC onnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.jav a:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWo rkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:685) at java.lang.Thread.run(Thread.java:595) --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
