Connection Pool issue(Connection reset by peer: socket write error) with server in DMZ - topic by PheobeChang

I am using connection pool with Tomcat 7.  The web server sits in the DMZ, while Teradata is in the internal network.  Port 1025 opened in the web server.  When the application first starts up, everything works fine.  But it seems after a short time, the pooled connection fails, with the following error:

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