public static OracleConnection OpenConn()
{
OracleConnection conn = new OracleConnection();
conn.ConnectionString = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PLM-TEST.zltz.com)(PORT=1521))(CONNECT_DATA=(SERVER = DEDICATED)(SERVICE_NAME = ORCL-DB)));Persist Security Info=True;User ID=ZLPLM2;Password=ZLPLM2;";
conn.Open();
return conn;
}
按照网上的通用代码来做访问
try catch写了报错日志
2021/6/9 10:32:26aaaaORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
2021/6/9 10:32:26关闭
C:\Windows\system32>tnsping orcl
TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 09-6月 -2021 10:46:08
Copyright (c) 1997, 2010, Oracle. All rights reserved.
已使用的参数文件:
E:\app\petty.yuan\product\11.2.0\dbhome_1\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = PLM-TEST.zltz.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ORCL-DB)))
OK (20 毫秒)
做了tnsping,访问没问题
C:\Windows\system32>lsnrctl status
LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 09-6月 -2021 10:46:57
Copyright (c) 1991, 2010, Oracle. All rights reserved.
正在连接到 (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
LISTENER 的 STATUS
------------------------
别名 LISTENER
版本 TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Production
启动日期 09-6月 -2021 10:28:32
正常运行时间 0 天 0 小时 18 分 29 秒
跟踪级别 off
安全性 ON: Local OS Authentication
SNMP OFF
监听程序参数文件 E:\app\petty.yuan\product\11.2.0\dbhome_1\network\admin\listener.ora
监听程序日志文件 e:\app\petty.yuan\diag\tnslsnr\PLM-TEST\listener\alert\log.xml
监听端点概要...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=PLM-TEST.zltz.com)(PORT=1521)))
服务摘要..
服务 "CLRExtProc" 包含 1 个实例。
实例 "CLRExtProc", 状态 UNKNOWN, 包含此服务的 1 个处理程序...
服务 "ORCL-DB" 包含 1 个实例。
实例 "orcl", 状态 UNKNOWN, 包含此服务的 1 个处理程序...
服务 "orcl.zltz.com" 包含 1 个实例。
实例 "orcl", 状态 READY, 包含此服务的 1 个处理程序...
服务 "orclXDB.zltz.com" 包含 1 个实例。
实例 "orcl", 状态 READY, 包含此服务的 1 个处理程序...
lsnrctl status 的摘要出现了我指定的数据库服务名,但是状态是unknown,
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = PLM-TEST.zltz.com)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ORCL-DB)
)
)
tnsnames的内容
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = E:\app\petty.yuan\product\11.2.0\dbhome_1)
#(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:E:\app\petty.yuan\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
(SID_DESC =
(GLOBAL_DBNAME = ORCL-DB)
(ORACLE_HOME = E:\app\petty.yuan\product\11.2.0\dbhome_1)
(SID_NAME = orcl)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = PLM-TEST.zltz.com)(PORT = 1521))
)
)
listener的内容,
请教哪里出了问题