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java - 在 MessageSource 中找不到消息

转载 作者:IT老高 更新时间:2023-10-28 13:49:34 25 4
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我正在尝试运行一个简单的 Spring 应用程序,但出现以下异常:

javax.servlet.ServletException: javax.servlet.jsp.JspTagException: No message found under code 'label.firstname' for locale 'en_US'.

我的contact.jsp文件:

<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<%@taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %>
<%@ page isELIgnored="false" %>

<html>
<head>
<title>Spring 3 MVC Series - Contact Manager | viralpatel.net</title>
</head>
<body>

<h2>Contact Manager</h2>

<form:form method="post" action="add.html" commandName="contact">

<table>
<tr>
<td><form:label path="firstname"><spring:message code="label.firstname"/></form:label></td>
<td><form:input path="firstname" /></td>
</tr>
<tr>
<td><form:label path="lastname"><spring:message code="label.lastname"/></form:label></td>
<td><form:input path="lastname" /></td>
</tr>
<tr>
<td><form:label path="email"><spring:message code="label.email"/></form:label></td>
<td><form:input path="email" /></td>
</tr>
<tr>
<td><form:label path="telephone"><spring:message code="label.telephone"/></form:label></td>
<td><form:input path="telephone" /></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="<spring:message code="label.addcontact"/>"/>
</td>
</tr>
</table>
</form:form>

<h3>Contacts</h3>
<c:if test="${!empty contactList}">
<table class="data">
<tr>
<th>Name</th>
<th>Email</th>
<th>Telephone</th>
<th>&nbsp;</th>
</tr>
<c:forEach items="${contactList}" var="contact">
<tr>
<td>${contact.lastname}, ${contact.firstname} </td>
<td>${contact.email}</td>
<td>${contact.telephone}</td>
<td><a href="delete/${contact.id}">delete</a></td>
</tr>
</c:forEach>
</table>
</c:if>

</body>
</html>

我的 spring-servlet.xml 文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee" xmlns:lang="http://www.springframework.org/schema/lang"
xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">

<context:annotation-config />
<context:component-scan base-package="net.viralpatel.contact" />

<bean id="jspViewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>

<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="WEB-INF/messages" />
<property name="defaultEncoding" value="UTF-8" />
</bean>



<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"
p:location="/WEB-INF/jdbc.properties" />

<!-- <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" -->
<!-- destroy-method="close" p:driverClassName="${jdbc.driverClassName}" -->
<!-- p:url="${jdbc.databaseurl}" p:username="${jdbc.username}" p:password="${jdbc.password}" /> -->

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close" p:driverClassName="com.mysql.jdbc.Driver"
p:url="jdbc:mysql://localhost:3306/ContactManager" p:username="root" p:password="12345" />


<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation">
<value>classpath:hibernate.cfg.xml</value>
</property>
<property name="configurationClass">
<value>org.hibernate.cfg.AnnotationConfiguration</value>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${jdbc.dialect}</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>

<tx:annotation-driven />
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>

</beans>

我正在点击网址:

localhost:8080/MavenWeb-0.0.1/index

和我的服务器堆栈跟踪:

SEVERE: No message found under code 'label.firstname' for locale 'en_US'.
javax.servlet.jsp.JspTagException: No message found under code 'label.firstname' for locale 'en_US'.
at org.springframework.web.servlet.tags.MessageTag.doStartTagInternal(MessageTag.java:184)
at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_spring_005fmessage_005f0(contact_jsp.java:252)
at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005flabel_005f0(contact_jsp.java:219)
at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0(contact_jsp.java:138)
at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:91)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1047)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:817)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:301)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:162)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)

解决问题的步骤:

  1. 仅将 messages_en.properties 文件放在 src/main/resource 文件夹中
  2. 确保文件名正确为 messages_en.properties 而不是message_en.properties
  3. 当您使用 mvn clean install 进行 maven 构建时messages_en.properties 文件将出现在目标/项目名称/WEB-INF/classes/messages.properties
  4. checkin spring-servlet.xml(名称可能不同)并使用 classpath:messages 作为 messageSource 中的基本名称

它应该可以解决我的问题。

<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="classpath:messages" />
<property name="defaultEncoding" value="UTF-8" />
</bean>

最佳答案

您的 MessageSource bean 定义有点困惑。通常,基本名称是您要用于消息解析的文件名的前缀(减去 .properties),Spring 和 JDK ResourceBundle 类会将语言和/或国家/地区缩写附加到该前缀。

<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="WEB-INF/message_en.properties/Message" />
<property name="defaultEncoding" value="UTF-8" />
</bean>

例如,如果您打算拥有像 messages.propertiesmessages_es.propertiesmessages_de.properties 这样的资源文件,您可以指定一个WEB-INF/messages 的基本名称。

您的消息包文件的实际名称是什么?

关于java - 在 MessageSource 中找不到消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6748939/

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