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From Andrew Willerding <awillerd...@callistacti.com>
Subject Memory Leak?
Date Tue, 20 Jul 2010 13:28:25 GMT
When starting my web app under Tomcat 6.0.26, I get the following logged..

(The application otherwise appears to be working fine so I'm just 
wondering if I should be concerned or how to prevent this error from 
happening upon startup)

20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesJdbc
SEVERE: A web application registered the JBDC driver 
[com.ibm.db2.jcc.DB2Driver] but failed to unregister it when the web 
application was stopped. To prevent a memory leak, the JDBC Driver has 
been forcibly unregistered.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[cayenne-edt-597457953-0] but has failed to stop it. This is very likely 
to create a memory leak.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[cayenne-edt-597457953-1] but has failed to stop it. This is very likely 
to create a memory leak.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[cayenne-edt-597457953-2] but has failed to stop it. This is very likely 
to create a memory leak.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[cayenne-edt-597457953-3] but has failed to stop it. This is very likely 
to create a memory leak.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[cayenne-edt-597457953-4] but has failed to stop it. This is very likely 
to create a memory leak.
20-Jul-2010 9:16:40 AM org.apache.catalina.loader.WebappClassLoader 
clearReferencesThreads
SEVERE: A web application appears to have started a thread named 
[PoolManagerCleanup-2013151593] but has failed to stop it. This is very 
likely to create a memory leak.
log4j:WARN No appenders could be found for logger 
(org.apache.cayenne.conf.DefaultConfiguration).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for 
more info.

Thanks,

Andrew

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