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https://issues.apache.org/jira/browse/WW-3361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12855589#action_12855589
]
Charles Parker commented on WW-3361:
------------------------------------
I recommend "(see expression)", since there may be multiple fields involved but
not defined via the 'fieldName' property. It points the developer in the right
direction.
> config-browser does not handle validators that do not contain a fieldName
> parameter
> -----------------------------------------------------------------------------------
>
> Key: WW-3361
> URL: https://issues.apache.org/jira/browse/WW-3361
> Project: Struts 2
> Issue Type: Bug
> Components: XML Configuration
> Affects Versions: 2.1.8
> Environment: Windows XP, Eclipse Ganymede, Java 6, Tomcat 6
> Reporter: Charles Parker
> Assignee: Lukasz Lenart
> Priority: Minor
> Fix For: 2.2.0
>
>
> Viewing the validators for an action with a validator that does not have a
> 'fieldName' parameter (such as an 'expression' validator) results in an
> exception in config-browser.
> The following validator:
> <validator type="expression">
> <param name="expression">password.equals(passwordVerify)</param>
> <message>The passwords you enter must match.</message>
> </validator>
> causes:
> Expression i.fieldName is undefined on line 30, column 23 in
> config-browser/showValidators.ftl.
> The problematic instruction:
> ----------
> ==> ${i.fieldName} [on line 30, column 21 in
> config-browser/showValidators.ftl]
> ----------
> Java backtrace for programmers:
> ----------
> freemarker.core.InvalidReferenceException: Expression i.fieldName is
> undefined on line 30, column 23 in config-browser/showValidators.ftl.
> at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
> at freemarker.core.Expression.getStringValue(Expression.java:118)
> at freemarker.core.Expression.getStringValue(Expression.java:93)
> at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.MixedContent.accept(MixedContent.java:92)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:167)
> at freemarker.core.Environment.visit(Environment.java:416)
> at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.MixedContent.accept(MixedContent.java:92)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.Environment.process(Environment.java:189)
> at freemarker.template.Template.process(Template.java:237)
> at
> org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:187)
> at
> org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:362)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266)
> at
> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
> at
> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
> at
> org.apache.struts2.components.ActionComponent.executeAction(ActionComponent.java:289)
> at
> org.apache.struts2.components.ActionComponent.end(ActionComponent.java:172)
> at
> org.apache.struts2.views.freemarker.tags.CallbackWriter.afterBody(CallbackWriter.java:84)
> at freemarker.core.Environment.visit(Environment.java:300)
> at freemarker.core.UnifiedCall.accept(UnifiedCall.java:130)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.IfBlock.accept(IfBlock.java:82)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.MixedContent.accept(MixedContent.java:92)
> at freemarker.core.Environment.visit(Environment.java:209)
> at freemarker.core.Environment.process(Environment.java:189)
> at freemarker.template.Template.process(Template.java:237)
> at
> org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:187)
> at
> org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:362)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266)
> at
> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
> at
> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
> at
> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
> at
> org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
> at
> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
> 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:128)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> 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.Http11Processor.process(Http11Processor.java:849)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
> at java.lang.Thread.run(Thread.java:619)
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