I've got the following error in my listener.log file:
11-JUN-2003 15:15:49 * service_died * order1 * 12547
TNS-12547: TNS:lost contact
11-JUN-2003 15:15:54 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))(SID=order1)) * (ADDRESS=(PROTOCOL=tcp)(HOST= * establish * order1 * 12500
TNS-12500: TNS:listener failed to start a dedicated server process
TNS-12560: TNSrotocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 2: No such file or directory

When I looked up the error TNS-12547, it says "Partner has unexpectedly gone away".

My question is: is this "Partner" the Oracle instance or the client attempted to make a connection?

Also, has anybody encountered the above error before?