Does that mean you have a fix coming?   :-)

On Wed, May 30, 2012 at 10:16 AM, Ramsey Gurley <[email protected]>wrote:

>
> On May 30, 2012, at 7:13 AM, John Huss wrote:
>
> I would go with wotaskd/monitor.  You can more easily run multiple
> instances; each instance gives you another database connection.
>
> Alternatively, you can set the property:
>
>      er.extensions.ERXObjectStoreCoordinatorPool.maxCoordinators=3
>
> And this will give you a pool of database connections (and EOF stacks).
>  It will use more memory though.  Also, I have a suspicion that this can
> cause deadlocks occasionally, but nothing confirmed.
> John
>
>
>
> I can confirm that the ERXObjectStoreCoordinatorPool will leak snapshots
> until the app falls over :-)
>
>
> On Wed, May 30, 2012 at 9:04 AM, Ron Lift <[email protected]> wrote:
>
>> I have been doing some more research and I am beginning to think this
>> post describes the cause of the issue
>>
>>
>>
>> http://stackoverflow.com/questions/3320400/to-prevent-a-memory-leak-the-jdbc-driver-has-been-forcibly-unregistered
>>
>>
>> Has anyone deployed and application to production with either Tomcat 6 or
>> 7 with these messages? If so, did they have any issues?
>>
>>
>> We are using out of the box EOF, the article talks about the need for
>> connection pooling. I have read the Cayenne supports connection pooling.
>> Does EOF?
>>
>>
>> Or maybe we switch to monitor for deployment on RHEL6.  I read the
>> articles and considering it. Anyone done this?
>>
>>
>> On Tue, May 29, 2012 at 3:30 PM, D Tim Cummings <[email protected]>wrote:
>>
>>> I have noticed these messages too and would like to know if there is
>>> anything that can be done about them
>>>
>>> Tim
>>>
>>>
>>>
>>> On 29/05/2012, at 23:31, Ron Lift <[email protected]> wrote:
>>>
>>> At work we are migrating from RHEL 5 to RHEL 6 and also upgrading to
>>> Tomcat 6. When I deploy the current application that is running on Tomcat
>>> 5.5 to tomcat 6, I see the following messages in the catalina.out when I
>>> either deploy the app, start/ stop the app or the tomcat instance.  I
>>> do not have these messages in my tomcat 5.5 log files. Is there some
>>> setting that I am missing?  Any help will be greatly appreciated
>>>
>>> Eclipse 3.6.1 , WOLips 3.6. MSSQL 2008R2 Database.
>>>
>>>
>>> The last 2 messages repeat multiple times
>>>
>>>
>>>
>>> May 29, 2012 8:59:00 AM org.apache.catalina.loader.WebappClassLoader
>>> clearReferencesJdbc
>>>
>>> SEVERE: The web application [/CoopApp] registered the JDBC driver
>>> [com.microsoft.sqlserver.jdbc.SQLServerDriver] but failed to unregister it
>>> when the web application was stopped. To prevent a memory leak, the JDBC
>>> Driver has been forcibly unregistered.
>>>
>>>
>>> May 29, 2012 8:59:00 AM org.apache.catalina.loader.WebappClassLoader
>>> clearThreadLocalMap
>>>
>>> SEVERE: The web application [/CoopApp] created a ThreadLocal with key of
>>> type [er.extensions.eof.ERXEC$1] (value 
>>> [er.extensions.eof.ERXEC$1@1083964f])
>>> and a value of type [java.util.Vector] (value [[]]) but failed to remove it
>>> when the web application was stopped. This is very likely to create a
>>> memory leak.
>>>
>>>
>>> May 29, 2012 8:59:00 AM org.apache.catalina.loader.WebappClassLoader
>>> clearThreadLocalMap
>>>
>>> SEVERE: The web application [/CoopApp] created a ThreadLocal with key of
>>> type
>>> [er.extensions.foundation.ERXThreadStorage.ERXThreadStorageCloneableThreadLocal]
>>> (value
>>> [er.extensions.foundation.ERXThreadStorage$ERXThreadStorageCloneableThreadLocal@2f012501])
>>> and a value of type [java.util.HashMap] (value [{}]) but failed to remove
>>> it when the web application was stopped. This is very likely to create a
>>> memory leak.
>>>
>>>
>>> Ron Lift
>>>
>>> C-E
>>>
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Webobjects-dev mailing list      ([email protected])
>>> Help/Unsubscribe/Update your Subscription:
>>>
>>> https://lists.apple.com/mailman/options/webobjects-dev/tim%40triptera.com.au
>>>
>>> This email sent to [email protected]
>>>
>>>
>>
>>  _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Webobjects-dev mailing list      ([email protected])
>> Help/Unsubscribe/Update your Subscription:
>>
>> https://lists.apple.com/mailman/options/webobjects-dev/johnthuss%40gmail.com
>>
>> This email sent to [email protected]
>>
>>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Webobjects-dev mailing list      ([email protected])
> Help/Unsubscribe/Update your Subscription:
>
> https://lists.apple.com/mailman/options/webobjects-dev/ramseygurley%40gmail.com
>
> This email sent to [email protected]
>
>
>
 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      ([email protected])
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com

This email sent to [email protected]

Reply via email to