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From "Jean-Jacques Parent (JIRA)" <>
Subject [jira] Created: (GERONIMO-4906) DB connection problem
Date Wed, 14 Oct 2009 13:02:31 GMT
DB connection problem

                 Key: GERONIMO-4906
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: databases
    Affects Versions: 2.0.1
         Environment: Geronimo running on Windows server 2003 (Virtual Machine)
Oracle 10g
Driver jdbc
Spring-Version: 2.0.2
Hibernate-Version: 3.2.0.cr4
            Reporter: Jean-Jacques Parent
         Attachments: Errors_samples.txt

Your expertise on my problem will be helpful.
Once a week, I get a DB connectivity problem with my application.
No new DB transaction can be open. After a few minutes, the situation can come back as normal,
if not the Geronimo server has to be restarted.
I ask our technicians about connectivity and performance, but they found nothing wrong.
I give you the stack trace in attachment with the different kind of error message.
You will see that it looks like a network problem, but maybe this could also be due to a jdbc,

My pool configuration is as follow
Pool Min Size:25	 

	The minimum number of connections in the pool. The default is 0.
Pool Max Size:140	 

	The maximum number of connections in the pool. The default is 10.
Blocking Timeout: 5000	 (in milliseconds)

	The length of time a caller will wait for a connection. The default is 5000.
Idle Timeout: 5	 (in minutes)

	How long a connection can be idle before being closed. The default is 15.

Any help will be appreciate.

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