eclipse - Oracle 10g XE を Eclipse に接続できない

Question

重複の可能性：
EclipseはWindows 7でOracle 10g XEに接続できません

接続をテストしようとすると、このエラーが発生します..

java.sql.SQLException: Io 例外: ネットワーク アダプタは接続を確立できませんでした"

今何をする？サイトから ojdbc14.jar もダウンロードしましたが、それでもこのエラーが発生します。

Answer 1

以下のようにこの手順を実行します。最初にSQLplusで確認します。

SQL*Plus: Release 10.2.0.1.0 - Production on Tue Jul 29 08:51:27 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> conn system
Enter password:
Connected.
SQL> select instance_name from V$instance;
INSTANCE_NAME
----------------
xe
SQL>

Here is the listener status and services


C:\>lsnrctl services

LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 29-JUL-2008 08:46:43
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
Services Summary...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:1002 state:ready
DISPATCHER <machine: KIRANKUMAR-PC, pid: 3632>
(ADDRESS=(PROTOCOL=tcp)(HOST=KiranKumar-PC)(PORT=49160))
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
The command completed successfully


C:\>lsnrctl status

LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 29-JUL-2008 08:46:56
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 29-JUL-2008 08:39:27
Uptime 0 days 0 hr. 7 min. 29 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Default Service XE
Listener Parameter File C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\listener.ora
Listener Log File C:\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=KiranKumar-PC)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=KiranKumar-PC)(PORT=8080))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfully

C:\>TNSPING xe
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 29-JUL-2008 08:49:28
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\sqlnet.ora

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = KiranKumar-PC)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))
OK (250 msec)


C:\>tnsping localhost-pc<hostname>
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 29-JUL-2008 08:49:42
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\sqlnet.ora
Used HOSTNAME adapter to resolve the alias
Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521)))
OK (170 msec)

これをチェックしてください...解決策を教えてください..これがお役に立てば幸いです！