Struts 2验证框架出错：403 for URL:http:////www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd

在利用Struts 2写校验器时，其校验规则文件定义如：web <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator

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