[fileupload] show error when 'fail to get upload url'
[fileupload] show error when 'fail to get upload url'

cloudcopy/seahub,miurahr/seahub,madflow/seahub,miurahr/seahub,Chilledheart/seahub,Chilledheart/seahub,madflow/seahub,miurahr/seahub,madflow/seahub,madflow/seahub,cloudcopy/seahub,cloudcopy/seahub,cloudcopy/seahub,madflow/seahub,Chilledheart/seahub,Chilledheart/seahub,miurahr/seahub,Chilledheart/seahub