Hello,

This issue is comming from the fact that you are probably using more than the 100 connections of the postgres due
to an high number of Stores defined.

The solution is:
    - augment the number of connections in your database
    - or go to define the connection pool on tomcat level. (the better solution)

http://docs.geoserver.org/stable/en/user/tutorials/tomcat-jndi/tomcat-jndi.html

Regards,

Eric Smets


Op 21/02/2014 17:01, Simone Giannecchini schreef:
Ciao,
please, keep the discussion on the ml.


See my comments inline below...



Regards,
Simone Giannecchini
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On Fri, Feb 21, 2014 at 4:39 PM, tam tran <[email protected] <mailto:[email protected]>> wrote:

    Hi Simone,

    Thanks for your response.  I know the log is clear that the connection
    pool is full.  But what is the cause?  Does it mean the max_connection =
    100 that I allocated to the datastores in GeoServer is too high? In order
    words, I need to know what causes it and how do I fix the problem.  Is it
in datastores configuration, Tomcat configuration, or postgresql.conf? Any help is greatly appreciated.


By default postgresql won't allow more than 100 connections so 100 as Max in geoserver pool config is just as much as pg can handle without changes to the config.

That said, I believe your problem is that somehow you are using more than 100 concurrent connection and the thread handling the N-th request is dying waiting for a new connection
which is not being made available.


    Regards,
    Tam


    On Fri, Feb 21, 2014 at 4:48 AM, Simone Giannecchini
    <[email protected]
    <mailto:[email protected]>> wrote:

        Ciao,
        the log is clear:

        Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot get a
        connection, pool error Timeout waiting for idle object

        you are running out of connections from the pool.


        Regards,
        Simone Giannecchini
        ==
        Our support, Your Success! Visit http://opensdi.geo-solutions.it for
        more information.
        ==

        Ing. Simone Giannecchini
        @simogeo
        Founder/Director

        GeoSolutions S.A.S.
        Via Poggio alle Viti 1187
        55054  Massarosa (LU)
        Italy
        phone: +39 0584 962313 <tel:%2B39%200584%20962313>
        fax: +39 0584 1660272 <tel:%2B39%200584%201660272>
        mob: +39  333 8128928 <tel:%2B39%20%C2%A0333%208128928>

        http://www.geo-solutions.it
        http://twitter.com/geosolutions_it

        -------------------------------------------------------





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