求助!!oracle安装Net8配置问题??

求助!!oracle安装Net8配置问题??

RH7.3下安装ORACLE 8.1.7.0在Net8 CONFIGURATION ASSISTANT时无限期处于IN PROGRESS状态,也无法STOP.
请高手指点一下如何解决.      
手工修改吧。
改完:
lsnrctl stop
lsnrctl start

listener.ora:
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = za-c010)(PORT = 1521))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
      )
    )
  )

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /opt/oracle/product/8.1.7)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = sample.c010db)
      (ORACLE_HOME = /opt/oracle/product/8.1.7)
      (SID_NAME = c010db)
    )
  )

tnsnames.ora:
SAMPLE =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = za-c010)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = sample.c010db)
    )
  )

INST1_HTTP =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = za-c010)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = SHARED)
      (SERVICE_NAME = sample.c010db)
      (PRESENTATION = http://admin)
    )
  )

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )