ORA-12505，TNS:侦听器目前不知道连接中给出的SID。

Question

当我试图与hr/hr用户创建数据库连接时，我使用的是JDeveloper，我得到以下消息：

Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
The Connection descriptor used by the client was:
localhost:1521:ORCL

然后，我转到命令行，将tnsping

C:\Users\Administrator>tnsping ORCL

TNS Ping Utility for 64-bit Windows: Version 12.2.0.1.0 - Production on 20-FEB-2
018 15:55:23

Copyright (c) 1997, 2016, Oracle.  All rights reserved.

Used parameter files:
C:\app\oracle\virtual\product\12.2.0\dbhome_1\network\admin\sqlnet.ora

Used EZCONNECT adapter to resolve the alias
Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTO
COL=TCP)(HOST=213.130.77.281)(PORT=1521)))
OK (90 msec)

C:\Users\Administrator>é2@

并检查Oracle侦听器是否正在运行：

C:\Users\Administrator>lsnrctl status

LSNRCTL for 64-bit Windows: Version 12.2.0.1.0 - Production on 22-FEB-2018 12:34
:05

Copyright (c) 1991, 2016, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=TESTINFRA)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for 64-bit Windows: Version 12.2.0.1.0 - Produ
ction
Start Date                20-FEB-2018 15:02:35
Uptime                    1 days 21 hr. 31 min. 34 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   C:\app\oracle\virtual\product\12.2.0\dbhome_1\network\
admin\listener.ora
Listener Log File         C:\app\oracle\virtual\diag\tnslsnr\TESTINFRA\listener\
alert\log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=TESTINFRA)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
  Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

Answer 1

您的侦听器服务没有明确声明它在此主机上有任何ORCL数据库SID。当您使用TNSPING命令检查连接时，您可以使用Oracle EZCONNECT适配器来检查连接性，该适配器本身解决了所有所需的连接信息，但是JDBC驱动程序需要在侦听器中明确声明SID，或者使用clear命令使用EZCONNECT适配器。

解决这一问题的两种方法是：

1. 打开listener.ora并找到以下行： ( C:\app\oracle\virtual\product\12.2.0\dbhome_1) = "EXTPROC_DLLS=ONLY:C:\app\oracle\virtual\product\12.2.0\dbhome_1\bin\oraclr11.dll") ) (SID_LIST = (SID_DESC = (SID_NAME = CLRExtProc) 代之以下列各项： ( C:\app\oracle\virtual\product\12.2.0\dbhome_1) =SID_LIST= (SID_DESC = (SID_NAME = CLRExtProc) ) (ORACLE_HOME =SID_NAME= extproc) (ENVS = "EXTPROC_DLLS=ONLY:C:\app\oracle\virtual\product\12.2.0\dbhome_1\bin\oraclr11.dll") ) (SID_DESC = (SID_NAME = ORCL) (ORACLE_HOME = C:\app\ )( oracle\virtual\product\12.2.0\dbhome_1) (GLOBAL_DBNAME = ORCL) ) 然后使用"lsnrctl stop“和"lsnrctl start”重新启动侦听器。此更改将在侦听器中使用数据库SID的描述注册新的SID_DESC块。
2. 将JDBC字符串更改为通过EZCONNECT适配器连接，而不是通过SID连接。如果您想要确切的答案，请张贴JDBC连接字符串，但总的来说，您不应该使用： jdbc:oracle:thin:@213.130.77.281:1521:orcl 代之以： jdbc:oracle:thin:@//213.130.77.281:1521/orcl 此更改将告诉JDBC使用EZCONNECT适配器。

Answer 2

在您的jdbc错误中，您正在使用: localhost:1521:ORCL

在TNSPING，是213.130.77.281

还可以使用jdev中的ip地址。