# listener.ora Network Configuration File: c:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = ORCL)
      (ORACLE_HOME = c:\oracle\product\10.1.0\db_1)
      #(PROGRAM = extproc)
    )
    (SID_DESC =
       (GLOBAL_DBNAME = ORCL)
       (ORACLE_HOME = C:\oracle\product\10.1.0\db_1) 
       (SID_NAME = ORCL)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      )
    )
  )

请问错在哪里？