When clearing routing table with "route -f", then
- Fail to ping 127.0.0.1 with general failure
- Unable to use debugger at Eclipse: JDWP Transport dt_socket failed to initialize
My solution was
- Disable all NICs.
- Execute "route -f" again.
- Enable all NICs and input necessary information such as gate way.
- Reboot computer.
- Check 127.0.0.1 with "route print" command.
- Execute "ping 127.0.0.1" and confirm it works OK.