Also I think we should add this shutdown code to Cayenne
WebApplicationContextFilter. Will log a Jira for 3.0.1.
Andrus
On Jul 20, 2010, at 4:34 PM, Andrus Adamchik wrote:
> 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
>>
>
>
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