使用Ajax 服务器报 A child container failed during start

使用Ajax与服务器通信时，可能会遇到"A child container failed during start"的错误。这个错误的根本原因是servlet过滤器配置错误。一个可能的错误是将过滤规则定为*，这是一种错误的写法，应该更正为"/"或其他以"/"开头的路径表示当前项目。另一个可能的错误是servlet名称与web.xml中的名称不一致。正确的写法是将classpath后面的*去掉。如果按照这样的修改，就可以解决这个错误。可以参考这个链接了解更多信息：https://www.cnblogs.com/chenmingjun/p/9934529.html。<span class="em">1</span><span class="em">2</span>
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