1) do not top-post. Reply logically, below the question or previous message. That's the usage on this list.

On 13.12.2016 13:16, RAVIRAJ SHAH wrote:



On 13 December 2016 at 16:32, André Warnier (tomcat) <a...@ice-sa.com> wrote:

On 13.12.2016 11:47, RAVIRAJ SHAH wrote:

Dear All,

We are facing critical issue of closed connection error on regular
frequently

Env.
Tomcat 8.0.14
Oracle DB 11g
Linux Server RHEL 6

on regular interval we are observing closed connection error in tomcat
logs
at that time few of the functionalities of our website either not working
or it misbehaving.

after restarting or refreshing tomcat server everything works well for few
days then again it occurs same error we could not find the reason we
already tried with latest odbc driver file but still issue persist


Thank you for the software versions above, but
Please copy and paste the exact error messages that you see in the log.
 From the above, we cannot guess /what/ connection or /what/ error you are
seeing.


2)

Hi,

Kindly find an attached file for error logs

Thanks & Regards,
Raviraj Shah


I asked to copy and paste in the message, because this list normally strips 
attachments.
You're lucky, they arrived.

This being said, when looking at the files you attached, I do not really see something that has to do with Tomcat per se there. I am not really the specialist here, but it looks like the code which fails is in the application :

13-Dec-2016 16:57:22.574 INFO [http-nio-8443-exec-61] com.vj.handler.HomePageRH.action HOME PAGE RH VII == :: Before Shape Wise Count203.92.48.130 13-Dec-2016 16:57:22.576 WARNING [http-nio-8443-exec-61] com.vj.common.AspectCatch.logAfterThrow callProcedure with Parameters [web_home_page, pkts_cnt, com.vj.vo.ParameterMap@505b8931] org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLRecoverableException: Closed Connection org.springframework.dao.DataAccessResourceFailureException: Error retrieving database metadata; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLRecoverableException: Closed Connection at org.springframework.jdbc.core.metadata.CallMetaDataProviderFactory.createMetaDataProvider(CallMetaDataProviderFactory.java:137)

etc..

You may get better help asking on the support list of the supplier of this :
org.springframework.jdbc.support



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