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TNS-12560: TNS: protocol adapter error TNS-00515: Connect failed because target host

2 New Member
I have installed Oracle 11g on OracleEnterpris eLinux. I've logged in as sysdba, and I've given the command
"startup." I got a response that the database was open. after network configuration i gave
lsnrctl start In OS level." But I got a message that the listener failed to start.
The error messages were:

TNS-12545: Connect failed because target host or object does not exist.
TNS-12560: TNS: protocol adapter error
TNS-00515: Connect failed because target host or object does not exist.
How to solve above errors .plz send answers
Dec 20 '10 #1
2 9424
ramrk
2 New Member
TNS-12560: TNS: protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
how to solve above errors
Dec 20 '10 #2
amitpatel66
2,367 Recognized Expert Top Contributor
Expand|Select|Wrap|Line Numbers
  1. ORA-12545: Connect failed because target host or object does not exist 
  2.  
  3. Cause: The address specified is not valid, 
  4. or the program being connected to does not exist.
  5.  
  6. Action: Ensure the ADDRESS parameters have been entered correctly; 
  7. the most likely incorrect parameter is the node name. E
  8. nsure that the executable for the server exists (perhaps "oracle" is missing.) 
  9. If the protocol is TCP/IP, edit the TNSNAMES.ORA file to change the host name to a numeric IP address and try again.
  10.  
Dec 20 '10 #3

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