port upgrade failed after mac upgrade

[Ryan Schmidt]

On May 12, 2014, at 15:20, Shiyuan wrote:
> 
>    Macports used to work well on Mac 10.8. After a upgrade to mac 10.9, 

> :info:extract sh: /usr/bin/gnutar: No such file or directory

This error message indicates you did not reinstall MacPorts after upgrading to OS X 10.9, which is required. Please read:

https://trac.macports.org/wiki/Migration