I have Log4j 2 beta 5 configured in a simply one-page web app with console and rolling file appenders. Everything works fine; however, when I shut down Tomcat, the following errors are logged to the console (I've included Tomcat INFO messages for context). This has never happened with my applications using Log4j 1. Am I doing something wrong, or is this a bug?
Apr 25, 2013 3:03:33 PM org.apache.catalina.core.StandardServer await
INFO: A valid shutdown command was received via the shutdown port. Stopping the
Server instance.
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-nio-8080"]
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["ajp-nio-8009"]
Apr 25, 2013 3:03:33 PM org.apache.catalina.core.StandardService stopInternal
INFO: Stopping service Catalina
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["http-nio-8080"]
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-nio-8009"]
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-nio-8080"]
Apr 25, 2013 3:03:33 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-nio-8009"]
Apr 25, 2013 3:03:33 PM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already.
Could not load org.apache.logging.log4j.core.config.NullConfiguration. The
eventual following stack trace is caused by an error thrown for debugging
purposes as well as to attempt to terminate the thread which caused the illegal
access, and has no functional impact.
java.lang.IllegalStateException
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1351)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1310)
at
org.apache.logging.log4j.core.LoggerContext.stop(LoggerContext.java:171)
at
org.apache.logging.log4j.core.LoggerContext$ShutdownThread.run(LoggerContext.java:389)
Exception in thread "Thread-18" java.lang.NoClassDefFoundError:
org/apache/logging/log4j/core/config/NullConfiguration
at
org.apache.logging.log4j.core.LoggerContext.stop(LoggerContext.java:171)
at
org.apache.logging.log4j.core.LoggerContext$ShutdownThread.run(LoggerContext.java:389)
Caused by: java.lang.ClassNotFoundException:
org.apache.logging.log4j.core.config.NullConfiguration
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1465)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1310)
... 2 more
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Description: S/MIME cryptographic signature
