You are probably using hot redeploy. In this case you will need to
shut down EventManager in a "destroy" method of your servlet or
filter. This will kill those cayenne-edt threads from the undeployed
application.
Andrus
On Jul 20, 2010, at 4:28 PM, Andrew Willerding wrote:
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
