12545, 00000, "Connect failed because target host or object does not exist" // *Cause: The address specified is not valid, or the program being // connected to does not exist. // *Action: Ensure the ADDRESS parameters have been entered correctly; the // most likely incorrect parameter is...
12545, 00000, "Connect failed because target host or object does not exist" // *Cause: The address specified is not valid, or the program being // connected to does not exist. // *Action: Ensure the ADDRESS parameters have been entered correctly; the // most likely incorrect parameter is...
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=mengqf)(PORT=1521)))TNS-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: 111: Connection refusedC...
Connect failed because target host or object does not exist 上网查了才知道是tnsnames.ora中的host应该填写IP地址 解决方法: 打开E:\oracle\product\10.1.0\Db_1\NETWORK\ADMIN的tnsnames.ora文件,将其中的host修改为IP地址。 AA = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = “IP地址”)(...
更换计算机名,重新启动系统后 oracle 的监听器就无法正常启动, 总是提示ORA-12545:Connect failed beacuse target host or object does not exist,每次监听器启动完就自动又关闭。打开oracle 目录 D:\ORACLE\ora92\network\admin 下的listener.ora 文件 把HOST的值改为自己新的计算机名或者IP地址,并且把tnsnames.ora...
ORA-12545: Connect failed because target host or object does not exist - No error on System.Data.OracleClient 7 ORA-02019: connection description for remote database not found 1 C# Connect to Oracle DataBase Error ORA-12545: Connect failed because target host or object...
3. database link created. 4.try to run the qury "select * fromsys.dual@link_name" , then am getting the error message"ORA-12545 connect failed because target host or object does not exist". I have configured the tnsnames.ora
ORA-12545: Connect failed because target host or object does not exist - No error on System.Data.OracleClient 1 ORACLE: ORA-02013: missing CONNECT keyword 0 ORA-12545: Connect failed because target host or object does not exist while connecting through the shell 7 ORA-02019: conn...
SQL> conn / as sysdba ERROR: ORA-12545: Connect failed because target host or object does not exist 记得昨天都连上去了,怎么回事。查看oracle进程。进程存在。说明数据库是执行的。 [oracle@ybdbtest ~]$ ps -ef | grep ora_ oracle 5013 4499 0 11:33 pts/1 00:00:00 grep ora_ ...