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From Filip Hanik - Dev Lists <>
Subject Re: Exception in hibernate3 relating to timeout
Date Fri, 25 Feb 2011 17:55:53 GMT
Use a different connection pool that can properly handle your timeouts 
when idle.


On 02/24/2011 11:31 PM, abhishek jain wrote:
> hi,
> I am not sure if i am ringing the correct list, but i am sure people here
> must have encountered this problem. I am new to hibernate and when i ran the
> code on server it was fine , strangely next day it keep on giving this error
> till i restart tomcat.
> The last packet successfully received from the server was 54,880,316
> milliseconds ago.  The last packet sent successfully to the server was
> 54,880,317 milliseconds ago. is longer than the server configured value of
> 'wait_timeout'. You should consider either expiring and/or testing
> connection validity before use in your application, increasing the server
> configured values for client timeouts, or using the Connector/J connection
> property 'autoReconnect=true' to avoid this problem.
> I have searched a lot on net and added the following properties on
> hibernate.cfg.xml, as people there were suggesting this,but of no use.
> <!-- Sessions and transactions -->
> <!-- Use the C3P0 connection pool provider -->
> <property name="hibernate.c3p0.min_size">5</property>
> <property name="hibernate.c3p0.max_size">20</property>
> <property name="hibernate.c3p0.timeout">300</property>
> <property name="hibernate.c3p0.max_statements">50</property>
> <property name="hibernate.c3p0.idle_test_period">3000</property>
> <property name="current_session_context_class">thread</property>
> Pl. help me.
> I have used hibernate3 with myeclipse as the development environment, and am
> using mysql 5.x and centos (Linux) with Tomcat 5.x

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