Caused by: javax.servlet.ServletException: Communications link failure due to underlying exception:

From: ramaj <ramjmeter(at)gmail.com>
Date: Thu Sep 27 2007 - 02:26:02 EDT

hi,
I have installed Jetspeed2.1 and use Mysql for backend. I have developed one API for giving links on login portlet after user logon successfull to portal.
means:

1.user enter username and password
2.click on login
3.after successfull aunthecation through LDAP,by using username I fire query

on Mysql,
4.seraching on username,return some interger value. 5 On this integer value , I show some another links on login portlet like email ....etc.

But this server stay ideal more than 8 hours,if I do login then ,aunthecation will be done successfully,but login portlet will show error on portal :

Error: Portlet is Not Available: j2-admin::LoginPortlet

        Reason: null

But if I see in log file :Error "Caused by: javax.servlet.ServletException: Communications link failure due to underlying exception:"

I have implemented this API as:
JSP<->JavaBean<->ConnectionPool<->mysql.

how i solve this error?
plz

thanks,
ramj

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