Oracle Connection Timeout Resolution ____oracle

If you are connected to your native Oracle:

1, in the cmd command line to try: Ping native IP address;

2, to ensure the shutdown firewall

3, the database listener started

4, of course, also does not exclude the caching problem, so need to project build Project–clean to the project further clear caching problem, problem solving;

If you are connecting to Oracle in someone else's notebook:

1, to ensure that you can ping the other side of the IP address (to ensure that the same LAN, if the connection is WiFi, but also to connect the same WiFi);

2, the other side of the firewall to be closed (preferably both firewalls are closed)

3, the database listener to start

Oracle Database Listener Configuration:

Open this application to configure the listener:

(1), select the Listener configuration, and click Next:

(2), select Add, and click Next:

(3), named Listener, click Next:

(4), the direct next step: