[oracle@linux_19 ~]$ lsnrctl start
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 14-AUG-2009 13:46:11
Copyright (c) 1991, 2005, Oracle.    All rights reserved.
Starting /oracle/product/10.2.0/bin/tnslsnr: please wait...
TNS-12537: TNS:connection closed
TNS-12560: TNS:protocol adapter error
TNS-00507: Connection closed
Linux Error: 29: Illegal seek

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1                             linux_19.xiangyong.com

Error Id: TNS-12560

Title: TNS:protocol adapter error

Description:

TNS:protocol adapter error

Action:

Check addresses used for proper protocol specification. Before reporting this error, look at the error stack and check for lower level transport errors. For further details, turn on tracing and reexecute the operation. Turn off tracing when the operation is complete.

Cause:

A generic protocol adapter error occurred.

Error Id: TNS-12537

Title: TNS:connection closed

Description:

TNS:connection closed

Action:

None needed; this is an information message.

Cause:

"End of file" condition has been reached; partner has disconnected.

Error Id: TNS-00507

Title: Connection closed

Description:

Connection closed

Action:

None needed; this is an information message.

Cause:

Normal "end of file" condition has been reached; partner has disconnected.

-- 来自：