执行src下的main时，报如下错误

[RobertWang]

Traceback (most recent call last): File "./main", line 70, in startSoftwareCenter() File "./main", line 63, in startSoftwareCenter s.sendto("show", SOCKET_SOFTWARECENTER_ADDRESS)
File "/usr/lib/python2.7/socket.py", line 174, in _dummy raise error(EBADF, 'Bad file descriptor') socket.error: [Errno 9] Bad file descriptor