Struts2 验证时报错:java.lang.IllegalArgumentException: URI is not hierarchical

log4j: com.opensymphony.xwork2.validator.ValidatorFactory - MESSAGES: Unable to load file:D:/Tomcat1.4/common/classes/ ----------------------- java.lang.IllegalArgumentException: URI is not hierarchical at java.io.File.(File.java:321) at com.opensymphony.xwork2.validator.ValidatorFactory.parseValidators(ValidatorFactory.java:330) at com.opensymphony.xwork2.validator.ValidatorFactory.(ValidatorFactory.java:234) at com.opensymphony.xwork2.validator.ValidatorFileParser.addValidatorConfigs(ValidatorFileParser.java:205) at com.opensymphony.xwork2.validator.ValidatorFileParser.parseActionValidatorConfigs(ValidatorFileParser.java:85) at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.loadFile(AnnotationActionValidatorManager.java:361) at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildClassValidatorConfigs(AnnotationActionValidatorManager.java:252) at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildValidatorConfigs(AnnotationActionValidatorManager.java:340) at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildValidatorConfigs(AnnotationActionValidatorManager.java:321) 。。。
项目中:用到的Struts的jar包有:struts2-core-2.0.14.jar、xwork-2.0.7.jar等...
解决方法:更换低点的xwrok.jar版本即可,我换成了xwork-2.0.1版本就不报错了...

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