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From Jonathan Rosenberg>
Subject Confused: IllegalStateException
Date Fri, 02 Nov 2012 18:36:27 GMT
Basics: Apache Tomcat/7.0.22 	1.6.0_22-b04

I have a Grails app that I'm deploying to this Tomcat.  During the
deployment, I see the following in catalina.out:

Nov 2, 2012 2:25:18 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive Catalog##0025.war
log4j:WARN No appenders could be found for logger (net.bull.javamelody).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See
for more info.
Nov 2, 2012 2:25:41 PM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped
already.  Could not load com.mysql.jdbc.SQLError.  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.
        at org.apache.catalina.loader.WebappClassLoader.loadClass(
        at org.apache.catalina.loader.WebappClassLoader.loadClass(
        at com.mysql.jdbc.MysqlIO.send(
        at com.mysql.jdbc.MysqlIO.quit(
        at com.mysql.jdbc.ConnectionImpl.realClose(
        at com.mysql.jdbc.ConnectionImpl.cleanup(
        at com.mysql.jdbc.ConnectionImpl.finalize(
        at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
        at java.lang.ref.Finalizer.runFinalizer(
        at java.lang.ref.Finalizer.access$100(
        at java.lang.ref.Finalizer$

After this, the app seems to continue loading normally.  I have tried
this on 2 Linux boxes (same Tomcat & JVM).  I see this on both, but on
one of the boxes, the app behaves very strangely (causing an error I
haven't tracked down yet).  On the other box, it runs fine.

What is this message trying to tell me?  Is this a true indication of
an error?  Or is it just a warning I can ignore safely?

Jonathan Rosenberg
Founder &  Executive Director
Tabby's Place, a Cat Sanctuary

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