try to connect again if refused error found#747

Merged

reyoung merged 4 commits intoPaddlePaddle:developfrom

backyes:bugfix_connection_retry

Dec 23, 2016

Commits on Dec 6, 2016

try to connect again if refused error found
backyes
committed

Commits on Dec 22, 2016

Commits on Dec 23, 2016

follow comments: remove flags control
backyes
committed