fedora 12升级到14 无法链接到服务器

<?xml version="1.0" encoding="UTF-8"?>
<config>
<GATEWAY_URL>http://192.168.1.235:3000/rubyamf/gateway</GATEWAY_URL><!-- DB服务器地址 -->
<CHAT_HOST>192.168.1.231</CHAT_HOST><!-- 聊天服务器地址 -->
<CHAT_PORT>8000</CHAT_PORT><!-- 聊天服务器端口 -->
<CSS_LIB_URL></CSS_LIB_URL>
<PIC_LIB_URL>libs/pics.swf</PIC_LIB_URL><!-- 地块图片路径 -->
<MAP_BASE_URL>http://localhost/pics/</MAP_BASE_URL><!-- 企业图片路径 -->
<PRODUCT_PIC_URL>libs/production/</PRODUCT_PIC_URL><!-- 产品及经理图片位置 -->
<ENTERPRISE_PIC_URL>libs/enterprise/</ENTERPRISE_PIC_URL><!-- 部门图片路径 -->
<CHOICEBOSS_BASE_URL></CHOICEBOSS_BASE_URL>
<CHOICEBUILDING_BASE_URL></CHOICEBUILDING_BASE_URL>
<FACICLITY_BASE_URL></FACICLITY_BASE_URL>
<FAMILY_BASE_URL></FAMILY_BASE_URL>
<MILITARY_BASE_URL></MILITARY_BASE_URL>
<MALL_BASE_URL></MALL_BASE_URL>
<HELP_URL></HELP_URL>
<LOGIN_URL></LOGIN_URL>
<REPORT_URL></REPORT_URL>
<CITY_CONFIG_URL>http://zbmf.com:3000/city.xml</CITY_CONFIG_URL><!-- 城市配置xml -->
<FAMILY_ICON_URL></FAMILY_ICON_URL>
<FAMILY_CUSTOM_ICON_URL></FAMILY_CUSTOM_ICON_URL>
<FAMILY_UPLOAD_URL></FAMILY_UPLOAD_URL>
<FAMILY_ICON_URL></FAMILY_ICON_URL>
</config>

doc = Document.new file # 不需要解释
# @return the root Element of the document, or nil if this document
# has no children
xml = doc.root