struts-config.xml <plug-in className="org.seasar.struts.validator.S2ValidatorPlugIn"> <set-property property="pathnames" value="/WEB-INF/validator-rules.xml"/> </plug-in> S2ValidatorPlugIn#initResources() resources = new S2ValidatorResources(streamArray); まず上記のようにS2ValidatorPlugInでS2ValidatorResourc…