Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, admin@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
原因是发现ZendServer\etc\ZendEnablerConf.xml中的开头是一段乱码， 将其改成以“<?xml”开头，重启下apache即可
ZendServer界面如下：
本文转自灵动生活博客园博客，原文链接：http://www.cnblogs.com/ywqu/archive/2011/07/17/2108500.html，如需转载请自行联系原作者