om.sun.org.apache.commons.logging.LogConfigurationException

com.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed. (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.) (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed. (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.))

Samebug tips0

We couldn't find tips for this exception.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web2

  • via Unknown by 807567,
  • Stack trace

    • om.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed. (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.) (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed. (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.)) at com.sun.org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543) at com.sun.org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235) at com.sun.org.apache.commons.logging.LogFactory.getLog(LogFactory.java:370) at org.apache.catalina.startup.DigesterLogger.<init>(ContextConfig.java:1038) at org.apache.catalina.startup.ContextConfig.applicationConfig(ContextConfig.java:339) at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:784) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:263) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:130) at org.apache.catalina.core.StandardContext.start(StandardContext.java:5021) at com.sun.webserver.connector.nsapi.WebModule.start(WebModule.java:182) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1224) at org.apache.catalina.core.StandardHost.start(StandardHost.java:924) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1224) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:520) at org.apache.catalina.startup.Embedded.start(Embedded.java:917) at com.sun.enterprise.web.PwcWebContainer.onStartup(PwcWebContainer.java:70) at com.sun.webserver.connector.nsapi.WebContainer.start(WebContainer.java:478) at com.sun.webserver.init.J2EERunner.confPostInit(J2EERunner.java:304) Caused by: com.sun.org.apache.commons.logging.LogConfigurationException: com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed. (Caused by com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.) at com.sun.org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397) at com.sun.org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    We couldn't find other users who have seen this exception.