1、检查一下oracle server上的监听是否正常使用 oracle>lsnrctl status 2、ping一下你的server的ip看网络是否正常。 3、检查一下你的本机的tnsnames.ora中的相就的连server的配置是否正确
Ensure that the supplied destination address matches one of the addresses used by the listener. Compare the TNSNAMES.ORA entry with the appropriate LISTENER.ORA file (or TNSNAV.ORA if the connection is to go by way of an Interchange). Start the listener on the remote machine.
oracle>lsnrctl status
2、ping一下你的server的ip看网络是否正常。
3、检查一下你的本机的tnsnames.ora中的相就的连server的配置是否正确
Ensure that the supplied destination address matches one of the addresses used by the listener. Compare the TNSNAMES.ORA entry with the appropriate LISTENER.ORA file (or TNSNAV.ORA if the connection is to go by way of an Interchange). Start the listener on the remote machine.