You could try to telnet or netcat from the virtual box, on the specific port the db is listening to. If you get a "connection refused" it might indicate a firewall running on CentOS, that allows the icmp port (ping) but not 3306, or whatever port the DB communicates over.
On Tue, Nov 15, 2016 at 1:17 PM, Sankar Das <[email protected]> wrote: > Hi, > > Trying to connect the oracle database running from a centos virtual > machine. But getting error > "Cannot create PoolableConnectionFactory (IO Error: The Network Adapter > could not establish the connection)" > > I am able to run the same script from my local windows machine but not from > the virtual box, > > Able to ping the jdbc url from the virtual box. > > Kindly help me on what exactly I am missing here. > > Thanks >
