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From "Ralph Goers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-223) IllegalStateException thrown during Tomcat shutdown
Date Sun, 19 May 2013 14:55:16 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661571#comment-13661571
] 

Ralph Goers commented on LOG4J2-223:
------------------------------------

Item 1 is a problem. I have a feeling I know what is causing it. I suspect there is a relationship
between the LoggerContext and classloader that is not being removed.

As for item 2 - Log4j 1 "just works" by not doing anything. That doesn't mean it is better.
It doesn't close files or perform any cleanup. This may result in the loss of data during
shutdown depending on how the appenders work.
                
> IllegalStateException thrown during Tomcat shutdown
> ---------------------------------------------------
>
>                 Key: LOG4J2-223
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-223
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0-beta5
>            Reporter: Ralph Goers
>            Priority: Critical
>             Fix For: 2.0-beta7
>
>         Attachments: log4j-223.war
>
>
> {noformat}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{noformat}

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