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From: "Propes, Barry L " <barry.l.propes@citi.com>
To: "'Tomcat Users List'" <users@tomcat.apache.org>
Date: Mon, 9 Jan 2012 12:06:28 -0600
Subject: RE: DB Connection error
Thread-Topic: DB Connection error
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I think some Oracle desktop installations, like Oracle XE, come with 8080 a=
s the out-of-the-box default port.


-----Original Message-----
From: Chema [mailto:demablogia@gmail.com]=20
Sent: Monday, January 09, 2012 12:03 PM
To: Tomcat Users List
Subject: Re: DB Connection error

> Caused by: oracle.net.ns.NetException: The Network Adapter could not
> establish the connection
> =A0 =A0at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:375)
> =A0 =A0at
> oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:=
422)
> =A0 =A0at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:67=
8)
> =A0 =A0at oracle.net.ns.NSProtocol.connect(NSProtocol.java:238)
> =A0 =A0at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:105=
4)
> =A0 =A0at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
> =A0 =A0... 30 more
> Caused by: java.net.ConnectException: Connection refused: connect
> =A0 =A0at java.net.PlainSocketImpl.socketConnect(Native Method)
> =A0 =A0at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
> =A0 =A0at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:=
213)
> =A0 =A0at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
> =A0 =A0at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
> =A0 =A0at java.net.Socket.connect(Socket.java:529)
> =A0 =A0at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:209)
> =A0 =A0at oracle.net.nt.ConnOption.connect(ConnOption.java:123)
> =A0 =A0at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:353)
> =A0 =A0... 35 more
>

I see that database is on the same machine than Tomcat , right ?

It's important, for me at least ,  to know if this error

"Caused by: java.net.ConnectException: Connection refused: connect"

occurs while restarting database server or just after that ?

One question : after restarting database , can you make a telnet to
localhost:8080 from the same machine ?
By the way, 8080 is a curious port for a database ...is it the real
port for listening incoming connections ?

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