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From Sanjeev Sharma <>
Subject RE: JDBC Connection over VPN
Date Mon, 07 May 2012 20:04:22 GMT
Telnet seems to connect.

-----Original Message-----
From: Saurabh Makol [] 
Sent: Monday, May 07, 2012 3:50 PM
To: Tomcat Users List
Subject: Re: JDBC Connection over VPN

Can you run

telnet <DatahbaseIpaddress> 1521 from command prompt when you VPN into your network?

On Mon, May 7, 2012 at 3:46 PM, Sanjeev Sharma <>

> Using port 1521 in both cases, but it only fails for JDBC.
> -----Original Message-----
> From: Propes, Barry L []
> Sent: Monday, May 07, 2012 3:43 PM
> To: 'Tomcat Users List'
> Subject: RE: JDBC Connection over VPN
> Could the VPN connection be utlizing the same port Tomcat or Oracle 
> usually does? Like something at 8080?
> Not sure if that's the case; or conversely, does going into VPN block 
> those ports?
> -----Original Message-----
> From: Sanjeev Sharma []
> Sent: Monday, May 07, 2012 2:36 PM
> To: Tomcat Users List
> Subject: JDBC Connection over VPN
> Hi,
> Not sure if this is a Tomcat issue.  When I connect directly to a 
> network and startup my tomcat 7, my JDBC connection to an Oracle 11g 
> network works just fine, but if I tunnel into the same network, JDBC 
> fails to connect to the database.  At the same time I'm able to make a 
> connection to the same database using SQL Developer/SQL Plus.  My 
> network people tell me that all ports are open to me and when they try 
> to capture packets coming from me, they see nothing if I'm starting up 
> my tomcat.  I'm not a Network or VPN expert, but as far as I know, at 
> the application level it should behave just as if I'm connected 
> directly to the network and shouldn't have to worry about which 
> network adapter to use (built in or VPN), and shouldn't have to worry 
> about routing.  I'm at a complete loss, so I'm just hoping there is 
> magical tomcat setting which will fix my problem.  Any help would be appreciated .
> Thanks.
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