Question

我有我的配置：

<context:property-placeholder location="classpath:idm.properties" />

<bean id="idmPropertyHolder" class="fi.utu.resurssitilaus.idm.IdmPropertyHolder">
   <property name="url" value="${idm.url}" /> 
    <property name="user" value="${idm.user}" />
    <property name="password" value="${idm.password}" />
    <property name="proxyHost" value="${http.proxyHost}" />
    <property name="proxyPort" value="${http.proxyPort}" />
</bean>

我收到错误

    SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
    org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'idmPropertyHolder' defined in ServletContext resource [/WEB-INF/idm-config.xml]: Could not resolve placeholder 'idm.url'
            at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer.processProperties(PropertyPlaceholderConfigurer.java:272)
            at org.springframework.beans.factory.config.PropertyResourceConfigurer.postProcessBeanFactory(PropertyResourceConfigurer.java:75)
            at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:640)
            at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:615)
            at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:405)
            at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
            at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
            at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
            at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
            at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
            at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
            at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
            at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
            at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
            at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:514)
            at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1288)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
            at java.lang.reflect.Method.invoke(Method.java:597)
            at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
            at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
            at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
            at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1473)
            at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:824)
            at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:350)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
            at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
            at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:196)
            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.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
            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)
    24.1.2011 9:19:05 org.apache.catalina.core.ApplicationContext log
    INFO: Closing Spring root WebApplicationContext
    24.1.2011 9:19:05 org.apache.catalina.core.ApplicationContext log
    INFO: Shutting down log4j

我知道这可能是缺少属性文件，但我在我的classpath中恰到好处。缺什么？

我的web.xml：

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>
      /WEB-INF/base-config.xml
      /WEB-INF/idm-config.xml
      /WEB-INF/ldap-config.xml
      /WEB-INF/sec-config.xml

    </param-value>
  </context-param>

  <!-- Reads request input using UTF-8 encoding -->
  <filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>


  <filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
  </filter>

  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>


  <filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
  </listener>


  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <listener>
    <listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
  </listener>

  <!-- Handles all requests into the application -->
  <servlet>
    <servlet-name>dispatcher</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>
        /WEB-INF/app-config.xml

      </param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>

  <servlet>
    <servlet-name>tiles</servlet-name>
    <servlet-class>org.apache.tiles.web.startup.TilesServlet</servlet-class>
    <init-param>
      <param-name>
        org.apache.tiles.impl.BasicTilesContainer.DEFINITIONS_CONFIG
      </param-name>
      <param-value>
        /WEB-INF/tiles-config.xml
      </param-value>
    </init-param>
    <load-on-startup>2</load-on-startup>
  </servlet>

  <servlet-mapping>
    <servlet-name>dispatcher</servlet-name>
    <url-pattern>*.html</url-pattern>
  </servlet-mapping>

  <session-config>
    <session-timeout>
      30
    </session-timeout>
  </session-config>

  <welcome-file-list>
    <welcome-file>redirect.jsp</welcome-file>
  </welcome-file-list>
</web-app>

Answer 1

您的申请中可能有多个org.springframework.beans.factory.config.PropertyPlaceholderConfigurer。尝试在超类的setLocations方法上设置断点，看看它是否在应用程序启动时被调用了多次。如果有多个org.springframework.beans.factory.config.PropertyPlaceholderConfigurer，您可能需要查看配置ignoreUnresolvablePlaceholders属性，以便您的应用程序能够干净地启动。

Answer 2

您的媒体资源文件位置为classpath:idm.properties

这很不寻常，这意味着idm.properties必须位于WEB-INF/classes的顶层或WEB-INF/lib内的其中一个广告的顶层。通常，最好使用专用文件夹作为属性，或者使它们靠近使用它们的上下文文件。

所以我的建议是这样的：您的属性文件是否可能在您的上下文文件旁边？如果是这样，它不在类路径上（请参阅此问题：Is WEB-INF in the CLASSPATH?）。

classpath:前缀映射到ClassPathResource，但您可能需要ServletContextResource，并且您将使用不带前缀的语法从WebApplicationContext获取该前缀：< / p>

<context:property-placeholder location="idm.properties" />

<强>参考：

The ResourceLoader
（描述不同ApplicationContext类型如何处理没有前缀的资源）
The PropertyPlaceholderConfigurer mechanism
（描述<context:property-placeholder>机制）

Answer 3

找不到属性文件肯定不是问题，因为在这种情况下会抛出另一个异常。

确保您idm.url中的密钥idm.properties确实有值。

Answer 4

我仍然认为它与弹簧未找到的道具文件有关。通过将params作为jvm params进行快速测试。即 -Didm.url = ....

Answer 5

确保您的属性文件存在于classpath目录中，但不存在于classpath目录的子文件夹中。如果它存在于子文件夹中，则写入如下classpath：subfolder / idm.properties

Answer 6

必须在gradle.build文件中添加以下属性

processResources {
    filesMatching("**/*.properties") {
        expand project.properties
    }
}

此外，如果使用Intellij，则必须重新导入项目。

Answer 7

确保在属性文件中设置'idm.url'并加载属性文件

无法解析Spring属性占位符

7 个答案: