安装eclipse drools 插件，报错
处理eclips下的“Some sites could not be found. See the error log for more detail.”
安装eclipse drools 插件 提示：“Some sites could not be found. See the error log for more detail.”，跟着是一组网址。
Some sites could not be found. See the error log for more detail.
No repository found at http://phpeclipse.sourceforge.net/update/cvs.
Unable to connect to repository
http://update.phpeclipse.net/update/stable/1.2.x/content.xml
Connection timed out: connect
意思好像是更新的站点不存在，那就把它删除吧，最后在propertes->InstallUPdate->Available Software Sites找到一组网站的列表，删除上边提示的不存在的站点之后 ，就可以了。
