java.lang.ClassNotFoundException: org.slf4j.Logger

JIRA | Alin Dreghiciu | 9 years ago
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  1. 0

    [PAXWEB-51] java.lang.ClassNotFoundException: org.slf4j.Logger when not using Pax Logger - OPS4J Issues

    jira.com | 1 year ago
    java.lang.ClassNotFoundException: org.slf4j.Logger
  2. 0

    From Guillaume Nodet: My previous attempt to build the pax-web trunk was about trying to solve this exception: java.lang.ClassNotFoundException: org.slf4j.Logger at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged (Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.mortbay.log.Slf4jLog.<init>(Slf4jLog.java:51) at org.mortbay.log.Slf4jLog.getLogger(Slf4jLog.java:138) at org.mortbay.log.Log.getLogger (Log.java:196) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:475) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerWrapper.doStart (HandlerWrapper.java:117) at org.mortbay.jetty.Server.doStart(Server.java:210) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.ops4j.pax.web.service.internal.JettyServerImpl.start (JettyServerImpl.java:54) at org.ops4j.pax.web.service.internal.ServerControllerImpl$Stopped.start(ServerControllerImpl.java:208) at org.ops4j.pax.web.service.internal.ServerControllerImpl.start(ServerControllerImpl.java :55) at org.ops4j.pax.web.service.internal.ServerControllerImpl$Started.configure(ServerControllerImpl.java:166) at org.ops4j.pax.web.service.internal.ServerControllerImpl.configure(ServerControllerImpl.java :78) at org.ops4j.pax.web.service.internal.HttpServiceConfigurerImpl.configure(HttpServiceConfigurerImpl.java:38) at org.ops4j.pax.web.service.ConfigAdminConfigurationSynchronizer$ConfigurationTarget.updated (ConfigAdminConfigurationSynchronizer.java:196) at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:888) at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java :89) This happens when starting pax-web when pax-logging is already installed. I'm not sure if the problem is in jetty (I suppose the "at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)" line means that it does not really use the correct classloader, or if pax-web should fix that somehow.

    JIRA | 9 years ago | Alin Dreghiciu
    java.lang.ClassNotFoundException: org.slf4j.Logger
  3. 0

    From Guillaume Nodet: My previous attempt to build the pax-web trunk was about trying to solve this exception: java.lang.ClassNotFoundException: org.slf4j.Logger at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged (Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.mortbay.log.Slf4jLog.<init>(Slf4jLog.java:51) at org.mortbay.log.Slf4jLog.getLogger(Slf4jLog.java:138) at org.mortbay.log.Log.getLogger (Log.java:196) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:475) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerWrapper.doStart (HandlerWrapper.java:117) at org.mortbay.jetty.Server.doStart(Server.java:210) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.ops4j.pax.web.service.internal.JettyServerImpl.start (JettyServerImpl.java:54) at org.ops4j.pax.web.service.internal.ServerControllerImpl$Stopped.start(ServerControllerImpl.java:208) at org.ops4j.pax.web.service.internal.ServerControllerImpl.start(ServerControllerImpl.java :55) at org.ops4j.pax.web.service.internal.ServerControllerImpl$Started.configure(ServerControllerImpl.java:166) at org.ops4j.pax.web.service.internal.ServerControllerImpl.configure(ServerControllerImpl.java :78) at org.ops4j.pax.web.service.internal.HttpServiceConfigurerImpl.configure(HttpServiceConfigurerImpl.java:38) at org.ops4j.pax.web.service.ConfigAdminConfigurationSynchronizer$ConfigurationTarget.updated (ConfigAdminConfigurationSynchronizer.java:196) at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:888) at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java :89) This happens when starting pax-web when pax-logging is already installed. I'm not sure if the problem is in jetty (I suppose the "at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)" line means that it does not really use the correct classloader, or if pax-web should fix that somehow.

    JIRA | 9 years ago | Alin Dreghiciu
    java.lang.ClassNotFoundException: org.slf4j.Logger
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.slf4j.Logger

    at java.net.URLClassLoader$1.run()
  2. Java RT
    URLClassLoader$1.run
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:200)
    1 frame