Lo exception: The Network Adapter cocould not establish the connection, myeclipseestablish
(1) recently it was really depressing to use DB Browser in Myeclipse, but the teacher encountered the following problems:
(2) then hurry up to Baidu and ask the gods to solve the problem. The main solutions are as follows: (these methods are not explained on the Internet)
1) Change the en in myeclipse to zn;
2) Change the computer language to Chinese;
3) modify the listener. ora and tnsnames. ora files in the oracle -- network -- admin directory and set the IP address to 127.0.0.1;
4) update your oracle driver package;
5) run the lsnrctl start command on the cmd command line to start the listener;
(3) but the above method has been tried for countless times and still fails. So I have reinstalled the system! Oracle is installed three or four times!
It's really silly to think about it now !!!
After restarting your computer, you can try again!
It turns out that
Nima! It turned out that you had been tossing for so long. After trying to shut down the firewall several times, the connection was successful. after starting the firewall, the connection could not be connected !!!
OK! The problem and its root cause have been found. I hope you will try again if you don't close the firewall first.
Good luck!