ora-12541: cannot connect. 文心快码BaiduComate 关于ORA-12541: cannot connect 错误,这个错误通常表示客户端无法连接到Oracle数据库服务器。以下是根据您提供的Tips,逐步排查和解决问题的建议: 1. 确认ORACLE服务是否启动 首先,需要确认Oracle数据库服务是否已经启动。这可以通过操作系统的服务管理器来完成,具体命令...
可以在客户端验证是否能够连接: 报错:sqlplus: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory 解决方法:yum install libaio* 报错:ORA-12154: TNS:could not resolve the connect identifier specified 解决方法:检查下 tnsnames.ora文件的名称、文...
-12545: Connect failed because target host or object does not exist TNS-12560: TNS:protocol adapter...error TNS-00515: Connect failed because target host or object does not exist Linux Error: 99: Cannot...-12543: TNS:destination host unreachable TNS-12560: TNS:protocol adapter error TNS-0051...
dataguard ORA-12514: TNS:listener does not currently know of service requested in connect descriptor 2019-12-12 15:08 −错误的意思是listener 不知道连接解析器中的请求服务,这里要说静态监听和动态监听了动态注册是在instance启动的时候PMON进程根据init.ora中的instance_name,service_names两个参数将实例和...
ORA-12541 In Oracle, a listener is a process that runs on the database server computer. It manages the traffic of incoming connect requests from clients to the database server, and therefore, is very important. Each time a client requests a network session with a server, it is the listene...
PLSQL报错: ORA-12170:TNS connect timeout occurred 2019-12-08 12:31 − 本人的问题已解决,先在安装oracle的服务器上黑窗口输入tnsping,提示说no listener,这是监听服务没有打开。打开服务后还是不行,最后原因是服务器的网络有防火墙的问题,关掉防火墙连接成功 ; ERROR: ERRO: cannot connect to foreign Oracle server DETAIL: ORA-12541: TNS:no listener
self.connect() web_1 | File "/usr/local/lib/python3.9/site-packages/django/utils/asyncio.py", line 26, in inner web_1 | return func(*args, **kwargs) web_1 | File "/usr/local/lib/python3.9/site-packages/django/db/backends/base/base.py", line 200, in connect web_1 | self....
TNS-00515: Connect failed because target host or object does not exist Linux Error: 99: Cannot assign requested address Listener failed to start. See the error message(s) above... 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...