服务器报错了呗，提示信息很清楚了，字符串的索引越界，你在Common类的splitDotTImes方法中调用了sustring方法，里面的start或者end超过了字符串本身的长度。检查一下吧
HTTP Status 500 - type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception java.lang.NullPointerException
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.28 logs.Apache Tomcat/5.5.28
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