国际化和validate="true"，为什么JSP加载就报FreeMarker template error!

Question

国际化框架struts2jspfreeer

Answer 1

我参照这个例子，全部复制的依然报这个错误，谁给个意见？！！！http://www.blogjava.net/flying/archive/2008/10/07/232959.html?opt=admin
FreeMarker template error!
Method public java.util.List org.apache.struts2.components.Form.getValidators(java.lang.String) threw an exception when invoked on org.apache.struts2.components.Form@6b633d
The problematic instruction:
----------
==> list tag.getValidators("${tagName}") as aValidator [on line 66, column 9 in template/~~~xhtml/form-close-validate.ftl]
 in include "/${parameters.templateDir}/${parameters.expandTheme}/form-close-validate.ftl" [on line 25, column 1 in template/xhtml/form-close.ftl]
----------Java backtrace for programmers:
----------
freeer.template.TemplateModelException: Method public java.util.List org.apache.struts2.components.Form.getValidators(java.lang.String) threw an exception when invoked on org.apache.struts2.components.Form@6b633d
at freeer.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:130)
at freeer.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freeer.core.Expression.getAsTemplateModel(Expression.java:89)
at freeer.core.IteratorBlock.accept(IteratorBlock.java:94)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.IteratorBlock$Context.runLoop(IteratorBlock.java:167)
at freeer.core.Environment.visit(Environment.java:428)
at freeer.core.IteratorBlock.accept(IteratorBlock.java:102)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.ConditionalBlock.accept(ConditionalBlock.java:79)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.Environment.include(Environment.java:1508)
at freeer.core.Include.accept(Include.java:169)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:221)
at freeer.core.Environment.process(Environment.java:199)
at freeer.template.Template.process(Template.java:259)
at org.apache.struts2.components.template.FreeerTemplateEngine.renderTemplate(FreeerTemplateEngine.java:158)
at org.apache.struts2.components.UIBean.mergeTemplate(UIBean.java:593)
at org.apache.struts2.components.UIBean.end(UIBean.java:547)
at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:42)
at org.apache.jsp.register_jsp._jspx_meth_s_005fform_005f0(register_jsp.java:139)
at org.apache.jsp.register_jsp._jspService(register_jsp.java:71)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:617)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1760)
at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NullPointerException
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildValidatorKey(AnnotationActionValidatorManager.java:237)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.getValidators(AnnotationActionValidatorManager.java:94)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.getValidators(AnnotationActionValidatorManager.java:90)
at org.apache.struts2.components.Form.getValidators(Form.java:280)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at freeer.ext.beans.BeansWrapper.i

Answer 2

http://struts.apache.org/development/2.x/docs/form
好像意思是说只有xhtml和ajax可以用这个validate属性的

Answer 3

谢谢，现在已经不太追究这个问题了，但是多了个了解途径，以前真没好好看过下struts的帮助文档