xp下用SQL Navigator 4连接linux as3

manage

SQL Navigator 4连接linux as3下oracle9204提示：ORA-12514: TNS: 监听进程不能解析在连接描述符中给出的 SERVICE_NAME
tnsnames.ora文件内容是：# TNSNAMES.ORA Network Configuration File: E:\oracle\ora81\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

100 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.100)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = ora9i)
)
)
注:SERVICE_NAME 为oracle的SID
在linux启动oracle信息为：[oracle@jts oracle]$ lsnrctl start

LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 28-DEC-2006 03:12:52

Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.

Starting /opt/ora9/product/9.2/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 9.2.0.4.0 - Production
System parameter file is /opt/ora9/product/9.2/network/admin/listener.ora
Log messages written to /opt/ora9/product/9.2/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jts)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 9.2.0.4.0 - Production
Start Date 28-DEC-2006 03:12:52
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security OFF
SNMP OFF
Listener Parameter File /opt/ora9/product/9.2/network/admin/listener.ora
Listener Log File /opt/ora9/product/9.2/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jts)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "oracle" has 1 instance(s).
Instance "ora9i", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
[oracle@jts oracle]$ sqlplus "/as sysdba"

SQL*Plus: Release 9.2.0.4.0 - Production on Thu Dec 28 03:13:31 2006

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 236000356 bytes
Fixed Size 451684 bytes
Variable Size 201326592 bytes
Database Buffers 33554432 bytes
Redo Buffers 667648 bytes
Database mounted.
Database opened.
不知是什么原因？请大侠指教！