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我一直在努力處理以下錯誤一段時間。Spring Webflow:字段類型是必需的
java.lang.IllegalArgumentException: The field type is required
我有一個基本的屏幕流設置與3個屏幕。
屏幕1:身份
屏幕2:接觸信息
屏幕3:摘要
從屏幕1 I採取在文本字段這樣:
<form:form modelAttribute="booking" action="${flowExecutionUrl}" method="post">
User Name:
<form:input type="text" id="username" name="username" path="username"/>
<input type="submit" name="_eventId_next" value="next" />
<input type="submit" name="_eventId_cancel" value="Cancel" />
</form:form>
它在達到摘要時有效,因爲我可以在摘要屏幕上顯示$ {booking.username}的內容。
但在屏幕2上,當我嘗試完全相同的事情,但與不同的數據字段上面指定的錯誤。
屏幕2:
<form:form modelAttribute="booking" action="${flowExecutionUrl}" method="post">
Address 1:
<form:input type="text" id="address1" name="address1" path="address1"/>
<input type="submit" name="_eventId_next" value="Next"/>
<input type="submit" name="_eventId_cancel" value="Cancel"/>
</form:form>
形式標籤指明爲:
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
大多數代碼可以在我先前的問題被看作:
相同當我嘗試將表單標籤添加到選項下拉框字段a時發生錯誤這樣的。
<form:select id="requestType" name="requestType" path="requestType">
<form:option value="0"></option>
<form:option value="1">Oprion 1</option>
<form:option value="2">Option 2</option>
</form:select>
相反選項標記的我也試過
<form:input type="text" label="" value="0"/>
都拿出指向這些行作爲一個錯誤相同的錯誤。
謝謝。
編輯:
堆棧跟蹤: 例外
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.webflow.execution.FlowExecutionException: Exception thrown in state 'enterContactDetails' of flow 'flow-config'
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
org.springframework.webflow.execution.FlowExecutionException: Exception thrown in state 'enterContactDetails' of flow 'flow-config'
org.springframework.webflow.engine.impl.FlowExecutionImpl.wrap(FlowExecutionImpl.java:571)
org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:262)
org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
org.springframework.webflow.mvc.servlet.FlowController.handleRequest(FlowController.java:174)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
java.lang.IllegalStateException: Exception occurred rendering view org.springframework.web.servlet.view.JstlView: name 'account/BookingContactDetailsScreen'; URL [/WEB-INF/views/account/BookingContactDetailsScreen.jsp]
org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:191)
org.springframework.webflow.engine.ViewState.render(ViewState.java:296)
org.springframework.webflow.engine.ViewState.refresh(ViewState.java:243)
org.springframework.webflow.engine.ViewState.resume(ViewState.java:221)
org.springframework.webflow.engine.Flow.resume(Flow.java:545)
org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)
org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
org.springframework.webflow.mvc.servlet.FlowController.handleRequest(FlowController.java:174)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
org.apache.jasper.JasperException: java.lang.IllegalArgumentException: The field type is required
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
org.springframework.webflow.mvc.servlet.ServletMvcView.doRender(ServletMvcView.java:50)
org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:187)
org.springframework.webflow.engine.ViewState.render(ViewState.java:296)
org.springframework.webflow.engine.ViewState.refresh(ViewState.java:243)
org.springframework.webflow.engine.ViewState.resume(ViewState.java:221)
org.springframework.webflow.engine.Flow.resume(Flow.java:545)
org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)
org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
org.springframework.webflow.mvc.servlet.FlowController.handleRequest(FlowController.java:174)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
java.lang.IllegalArgumentException: The field type is required
org.springframework.util.Assert.notNull(Assert.java:112)
org.springframework.webflow.mvc.view.ConvertingPropertyEditorAdapter.<init>(ConvertingPropertyEditorAdapter.java:48)
org.springframework.webflow.mvc.view.BindingModel.findSpringConvertingPropertyEditor(BindingModel.java:277)
org.springframework.webflow.mvc.view.BindingModel.getFormattedValue(BindingModel.java:235)
org.springframework.webflow.mvc.view.BindingModel.getFieldValue(BindingModel.java:142)
org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:120)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:178)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:198)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:164)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:127)
org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421)
org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:142)
org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102)
org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
org.apache.jsp.WEB_002dINF.views.account.BookingContactDetailsScreen_jsp._jspx_meth_form_005finput_005f0(BookingContactDetailsScreen_jsp.java:230)
org.apache.jsp.WEB_002dINF.views.account.BookingContactDetailsScreen_jsp._jspx_meth_form_005fform_005f0(BookingContactDetailsScreen_jsp.java:127)
org.apache.jsp.WEB_002dINF.views.account.BookingContactDetailsScreen_jsp._jspService(BookingContactDetailsScreen_jsp.java:85)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
org.springframework.webflow.mvc.servlet.ServletMvcView.doRender(ServletMvcView.java:50)
org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:187)
org.springframework.webflow.engine.ViewState.render(ViewState.java:296)
org.springframework.webflow.engine.ViewState.refresh(ViewState.java:243)
org.springframework.webflow.engine.ViewState.resume(ViewState.java:221)
org.springframework.webflow.engine.Flow.resume(Flow.java:545)
org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)
org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
org.springframework.webflow.mvc.servlet.FlowController.handleRequest(FlowController.java:174)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
你可以發佈stacktrace。 –
我已經按照你的要求添加了 – Sheogora
我懷疑這是搞砸了,但是你是否意識到你不需要'form = form'中的action =「$ {flowExecutionUrl}」或者'method =「post」' '?另外,'input'字段上的'name'屬性也不正常。我想知道這是否會令人困惑。 http://static.springsource.org/spring/docs/3.0.x/spring-framework-reference/htmlsingle/spring-framework-reference.html#spring-form.tld.input – dbreaux