我在服务器上安装了oracle 11g,而.Net oracle客户端将访问数据库.
直到昨天我使用此连接字符串从客户端连接:
User ID=dbcplas;Password=pwd123;Data Source=(DESCRIPTION = (ADDRESS =(PROTOCOL = TCP)(HOST = 172.17.26.7)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = orcl.cplas3.com)))
直到昨天我才能在同一个客户端中使用Oracle SQL Developer.
今天早上我们重新启动服务器进行维护.重新启动服务器后,我无法从客户端.Net应用程序或sqldeveloper登录.
我能够通过sql plus服务器系统登录.
除此之外,我无法通过任何其他方式登录.
服务器端sql-developer也无法正常工作.
我从服务器上给出了以下详细信息:
lsnrctl服务:
C:\Users\Administrator>lsnrctl services LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 07-JAN-2014 15: :45 Copyright (c) 1991, 2010, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.17.26.7)(PORT=1521 ) Services Summary... Service "CLRExtProc" has 1 instance(s). Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service... Handler(s): "DEDICATED" established:0 refused:0 LOCAL SERVER The command completed successfully
lsnrctl状态:
C:\Users\Administrator>lsnrctl status LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 07-JAN-2014 15:20 :42 Copyright (c) 1991, 2010, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.17.26.7)(PORT=1521)) ) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Produ ction Start Date 07-JAN-2014 13:17:40 Uptime 0 days 2 hr. 3 min. 7 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File E:\app\administrator\product\11.2.0\dbhome_1\network\a dmin\listener.ora Listener Log File e:\app\administrator\diag\tnslsnr\cplas3\listener\aler t\log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.17.26.7)(PORT=1521))) Services Summary... Service "CLRExtProc" has 1 instance(s). Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service... The command completed successfully
LISTENER.ORA
# listener.ora Network Configuration File: E:\app\administrator\product\11.2.0\dbhome_1\network\admin\listener.ora # Generated by Oracle configuration tools. SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = CLRExtProc) (ORACLE_HOME = E:\app\administrator\product\11.2.0) (PROGRAM = extproc) (ENVS = "EXTPROC_DLLS=ONLY:E:\app\administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll") ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.17.26.7)(PORT = 1521)) ) ) ADR_BASE_LISTENER = E:\app\administrator
SQLNET.ORA
# sqlnet.ora Network Configuration File: E:\app\administrator\product\11.2.0\dbhome_1\network\admin\sqlnet.ora # Generated by Oracle configuration tools. # This file is actually generated by netca. But if customers choose to # install "Software Only", this file wont exist and without the native # authentication, they will not be able to connect to the database on NT. SQLNET.AUTHENTICATION_SERVICES= (NTS) NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT) TNSFILES.ORA # tnsnames.ora Network Configuration File: E:\app\administrator\product\11.2.0\dbhome_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORACLR_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) (CONNECT_DATA = (SID = CLRExtProc) (PRESENTATION = RO) ) ) ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.17.26.7)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.cplas3.com) ) )
tnsping结果 - orcl.cplas3.com
C:\Users\Administrator>tnsping orcl.cplas3.com TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 07-JAN-2 014 15:30:44 Copyright (c) 1997, 2010, Oracle. All rights reserved. Used parameter files: E:\app\administrator\product\11.2.0\dbhome_1\network\admin\sqlnet.ora TNS-03505: Failed to resolve name
tnsping结果 - orcl
C:\Users\Administrator>tnsping orcl TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 07-JAN-2 014 15:31:22 Copyright (c) 1997, 2010, Oracle. All rights reserved. Used parameter files: E:\app\administrator\product\11.2.0\dbhome_1\network\admin\sqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.17.2 6.7)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.cpl as3.com))) OK (1560 msec)
错误:
来自.Net应用程序:
ORA-12514 TNS:监听器当前不知道连接描述符中的服务请求.
为什么lsnrctl status
不显示orcl的状态?
我尝试启动orcl服务.但它的说法已经开始..
可能是什么问题?
从注释看来,默认local_listener
参数可能是尝试使用新网络适配器中的动态IP,因此它不使用侦听器使用的相同地址.解决此问题的最简单方法可能是手动设置该参数:
alter system set local_listener = '(ADDRESS=(PROTOCOL=TCP)(HOST=172.17.26.7)(PORT=1521))' scope=memory; alter system register;
或者我认为你可以使用更短的版本,但我现在无法验证:
alter system set local_listener = '172.17.26.7:1521' scope=memory; alter system register;
如果可行 - 即lsnrctl services
现在显示orcl
- 并且您对此感到满意,请更改memory
为both
并重新执行,以便在下次数据库重新启动时保持不变.
另一个版本是在中定义监听器tnsnames.ora
,然后使用该别名作为local_listener
值; 如果静态IP发生变化,这可能会更容易进行更改,因为您只需要更改listener.ora
和tnsnames.ora
(以及所有客户端),您不必直接修改数据库参数.如果你有不同的人来管理数据库和那些文件,这可能是有用的,这是不太可能的; 但可能有点整洁.