Validator框架使用时碰到问题
我在用Validator验证框架时碰到发生以下错误：
[ERROR] DynaValidatorForm - org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction,
org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest) <org.apache.commons.validator.ValidatorException:
org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field,
org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest)> org.apache.commons.validator.ValidatorException:
org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors,
javax.servlet.http.HttpServletRequest)
at org.apache.commons.validator.ValidatorAction.loadValidationMethod(ValidatorAction.java:627)
at org.apache.commons.validator.ValidatorAction.executeValidationMethod(ValidatorAction.java:557)
at org.apache.commons.validator.Field.validateForRule(Field.java:827)
at org.apache.commons.validator.Field.validate(Field.java:906)
at org.apache.commons.validator.Form.validate(Form.java:174)
at org.apache.commons.validator.Validator.validate(Validator.java:367)
at org.apache.struts.validator.DynaValidatorForm.validate(DynaValidatorForm.java:110)
at org.apache.struts.action.RequestProcessor.processValidate(RequestProcessor.java:928)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:204)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
相关配置文件：
struts-config.xml:
...
<form-bean name= "insertForm "
type= "org.apache.struts.validator.DynaValidatorForm " >
<form-property name= "name " type= "java.lang.String " />
<form-property name= "phone " type= "java.lang.String " />
<form-property name= "address " type= "java.lang.String " />
</form-bean>
...
<action path= "/insert "
type= "addressbook.actions.InsertAction "
name= "insertForm "
scope= "session "
input= "/insert.jsp "
validate= "true ">
</action>
...
<message-resources parameter= "addressbook.Application "/>
<plug-in className= "org.apache.struts.validator.ValidatorPlugIn ">
<set-property property= "pathnames " value= "/WEB-INF/validator-rules.xml,/WEB-INF/validator.xml " />
</plug-in>
...
validator.xml:
...
<formset>
<form name= "insertForm ">
<field property= "name " depends= "required ">
<arg0 key= "prompt.name " />
</field>
<field property= "phone " depends= "required,minlength ">
<arg0 key= "prompt.phone "/>
<arg1 name= "minlength " key= "${var:minlength} " resource= "true "/>
<var>
<var-name> minlength </var-name>
<var-value> 8 </var-value>
</var>
</field>
<field property= "address " depends= "required ">
<arg0 key= "prompt.address " />
</field>
</form>
</formset>
...
Application.properties:
...
# The error messages for the Validation Actions
errors.required={0} is required.
errors.minlength={0} can not be less than {1} characters.
errors.maxlength={0} can not be greater than {1} characters.
errors.invalid={0} is invalid.
errors.byte={0} must be a byte.
errors.short={0} must be a short.
errors.integer={0} must be an integer.
errors.long={0} must be a long.
errors.float={0} must be a float.
errors.double={0} must be a double.
errors.date={0} is not a date.
errors.range={0} is not in the range {1} through {2}.
errors.creditcard={0} is an invalid credit card number.
errors.email={0} is an invalid e-mail address.
请高手帮忙
[解决办法]
你这个是struts的什么版本啊?是struts1.2吗?还是其他的?注意版本之间的区别.
老的版本是使用ActionErrors的,而新的使用ActionMessages,还有validateRequired的方法中参数个数也是不一样的
