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 hierarchicalat java.io.File.<init>(File.java:321)at com.opensymphony.xwork2.validator.ValidatorFactory.parseValidators(ValidatorFactory.java:330)at com.opensymphony.xwork2.validator.ValidatorFactory.<clinit>(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... </clinit></init>