When I start my tomcat server with our application, I get the following errors and the tomcat fails to startup:
SEVERE: End event threw exception org.apache.commons.logging.LogConfigurationException: User-specified log class 'com.sun.idm.logging.trace.TraceLogger' cannot be found or is not useable. at org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation( LogFactoryImpl.java:798) at org.apache.commons.logging.impl.LogFactoryImpl.newInstance( LogFactoryImpl.java:601) at org.apache.commons.logging.impl.LogFactoryImpl.getInstance( LogFactoryImpl.java:333) at org.apache.commons.logging.impl.LogFactoryImpl.getInstance( LogFactoryImpl.java:307) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:645) at org.apache.commons.beanutils.ConvertUtilsBean.<init>( ConvertUtilsBean.java:130) at org.apache.commons.beanutils.BeanUtilsBean.<init>( BeanUtilsBean.java:110) at org.apache.commons.beanutils.BeanUtilsBean$1.initialValue( BeanUtilsBean.java:68) at org.apache.commons.beanutils.ContextClassLoaderLocal.get( ContextClassLoaderLocal.java:80) at org.apache.commons.beanutils.BeanUtilsBean.getInstance( BeanUtilsBean.java:78) at org.apache.commons.beanutils.ConvertUtilsBean.getInstance( ConvertUtilsBean.java:115) at org.apache.commons.beanutils.ConvertUtils.convert( ConvertUtils.java:217) at org.apache.commons.digester.CallMethodRule.end( CallMethodRule.java:560) at org.apache.commons.digester.Rule.end(Rule.java:230) at org.apache.commons.digester.Digester.endElement(Digester.java :1130) at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) at org.apache.xerces.impl.dtd.XMLDTDValidator.endNamespaceScope(Unknown Source) at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source) at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source) at org.apache.commons.digester.Digester.parse(Digester.java:1647) at org.apache.catalina.startup.ContextConfig.applicationConfig( ContextConfig.java:220) at org.apache.catalina.startup.ContextConfig.start( ContextConfig.java:579) at org.apache.catalina.startup.ContextConfig.lifecycleEvent( ContextConfig.java:181) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent( LifecycleSupport.java:119) at org.apache.catalina.core.StandardContext.start( StandardContext.java:3643) at org.apache.catalina.core.ContainerBase.addChildInternal( ContainerBase.java:776) at org.apache.catalina.core.ContainerBase.addChild( ContainerBase.java:759) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java :537) at org.apache.catalina.core.StandardHostDeployer.install( StandardHostDeployer.java:260) at org.apache.catalina.core.StandardHost.install(StandardHost.java :730) at org.apache.catalina.startup.HostConfig.deployDirectories( HostConfig.java:625) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java :374) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:784) at org.apache.catalina.startup.HostConfig.lifecycleEvent( HostConfig.java:330) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent( LifecycleSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java :1155) at org.apache.catalina.core.StandardHost.start(StandardHost.java :696) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java :1147) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java :310) at org.apache.catalina.core.StandardService.start( StandardService.java:449) at org.apache.catalina.core.StandardServer.start(StandardServer.java :2212) at org.apache.catalina.startup.Catalina.start(Catalina.java:458) at org.apache.catalina.startup.Catalina.execute(Catalina.java:345) at org.apache.catalina.startup.Catalina.process(Catalina.java:129) 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:324) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:150) I googled around and found that the TraceLogger class must have a constructor with a single String parameter. So I checked for that: C:\Documents and Settings\akumar\Desktop\Downloads>javap com.sun.idm.logging.trace.TraceLogger Compiled from "TraceLogger.java" public class com.sun.idm.logging.trace.TraceLogger extends java.lang.Objectimplements org.apache.commons.logging.Log{ public static final java.lang.String code_id; public com.sun.idm.logging.trace.TraceLogger(java.lang.String); public boolean isTraceEnabled(); public boolean isDebugEnabled(); public boolean isInfoEnabled(); public boolean isWarnEnabled(); public boolean isErrorEnabled(); public boolean isFatalEnabled(); public void trace(java.lang.Object); public void trace(java.lang.Object, java.lang.Throwable); public void debug(java.lang.Object); public void debug(java.lang.Object, java.lang.Throwable); public void info(java.lang.Object); public void info(java.lang.Object, java.lang.Throwable); public void warn(java.lang.Object); public void warn(java.lang.Object, java.lang.Throwable); public void error(java.lang.Object); public void error(java.lang.Object, java.lang.Throwable); public void fatal(java.lang.Object); public void fatal(java.lang.Object, java.lang.Throwable); static {}; } And it is there: A constructor with a single String argument. But I still get the above errors. Can someone help me please. -- Thanks and best regards, Anoop