getaddrinfo(localhost, NULL, 1) failed (Temporary failure in name resolution): Connection refused

Issue: :: adopmnctl.sh: Starting Oracle Process Manager (OPMN) getaddrinfo(localhost, NULL, 1) failed (Temporary failure in name resolution): Connection refused getaddrinfo(localhost, NULL, 1) failed (Temporary failure in name resolution): Connection refused getaddrinfo(localhost, NULL, 1) failed (Temporary failure in name resolution): Connection refused opmnctl: opmn start failed. : adopmnctl.sh: exiting with status 2 Solution: There is no proper entry in /etc/hosts for local host Entry should be : 127.0.0.1 localhost.localdomain local host try to start again