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我是 Spring 4.0 的新手
我想使用注释 @Value 从我的属性文件中读取
以下是放置在 D:/GmlcConfig.propertise 的属性文件
gmlccount=10
我的Web Config.java如下
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = { "com.nextnav.lcs" })
public class WebConfig extends WebMvcConfigurerAdapter{
@Autowired
private Environment env;
@Bean(initMethod = "init", destroyMethod = "cleanUp")
public AutoInitalizer myAutoInitalizer(){
return new AutoInitalizer();
}
@Bean
public static PropertyPlaceholderConfigurer properties(){
PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
return ppc;
}
}
在自动初始化程序中,我确实有一个变量可以访问属性文件中的值。
自动初始化程序的代码如下:
@Component
@Configuration
@PropertySource("File:D:/GmlcConf.propertise")
public class AutoInitalizer {
@Autowired
@Qualifier("loggingService")
private LoggingServiceImpl loggingService;
@Autowired
@Qualifier("mGmlc")
private GmlcConfigDi mGmlc;
@Value("${gmlccount}")
private String numConfGmlcCount;
public void init(){
loggingService.logInfo(this.getClass().getSimpleName() + "Application initalized");
loggingService.logInfo(this.getClass().getSimpleName() + numConfGmlcCount);
}
}
我没有在空的日志中获取 numConfGmlcCount 的值。
我收到以下异常
INFO: Initializing Spring FrameworkServlet 'dispatcher'
[INFO ] 2015-07-31 09:54:26.159 [localhost-startStop-1] DispatcherServlet - FrameworkServlet 'dispatcher': initialization started
[INFO ] 2015-07-31 09:54:26.165 [localhost-startStop-1] AnnotationConfigWebApplicationContext - Refreshing WebApplicationContext for namespace 'dispatcher-servlet': startup date [Fri Jul 31 09:54:26 I
[INFO ] 2015-07-31 09:54:26.197 [localhost-startStop-1] AnnotationConfigWebApplicationContext - Registering annotated classes: [class com.nextnav.lcs.config.WebConfig]
[INFO ] 2015-07-31 09:54:26.407 [localhost-startStop-1] AutowiredAnnotationBeanPostProcessor - JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
[WARN ] 2015-07-31 09:54:26.461 [localhost-startStop-1] AnnotationConfigWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'autoInitalizer': Injection of autowired dependencies failed; nested exception is org.springframework.beans.facto
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:326) ~[spring-beans-4.1.0.RELEASE.jar:4
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:725) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) ~[spring-context-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) [spring-context-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:530) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at javax.servlet.GenericServlet.init(GenericServlet.java:160) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1091) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [tomcat-embed-core-7.0.47.jar:7.0.47]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_65]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [?:1.7.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [?:1.7.0_65]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_65]
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.lang.String com.nextnav.lcs.AutoInitalizer.numConfGmlcCount; nested exception is java.lang.Il
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:542) ~[spring-beans-4.1.0.RELEASE.ja
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323) ~[spring-beans-4.1.0.RELEASE.jar:4
... 26 more
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'gmlccount' in string value "${gmlccount}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174) ~[spring-core-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126) ~[spring-core-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer$PlaceholderResolvingStringValueResolver.resolveStringValue(PropertyPlaceholderConfigurer.java:259) ~[spring-beans-4.1.
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:800) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:917) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:904) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:514) ~[spring-beans-4.1.0.RELEASE.ja
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323) ~[spring-beans-4.1.0.RELEASE.jar:4
... 26 more
[ERROR] 2015-07-31 09:54:26.479 [localhost-startStop-1] DispatcherServlet - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'autoInitalizer': Injection of autowired dependencies failed; nested exception is org.springframework.beans.facto
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:326) ~[spring-beans-4.1.0.RELEASE.jar:4
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:725) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) ~[spring-context-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) ~[spring-context-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658) ~[spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:530) ~[spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at javax.servlet.GenericServlet.init(GenericServlet.java:160) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1091) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [tomcat-embed-core-7.0.47.jar:7.0.47]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [tomcat-embed-core-7.0.47.jar:7.0.47]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_65]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [?:1.7.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [?:1.7.0_65]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_65]
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.lang.String com.nextnav.lcs.AutoInitalizer.numConfGmlcCount; nested exception is java.lang.Il
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:542) ~[spring-beans-4.1.0.RELEASE.ja
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323) ~[spring-beans-4.1.0.RELEASE.jar:4
... 26 more
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'gmlccount' in string value "${gmlccount}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174) ~[spring-core-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126) ~[spring-core-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer$PlaceholderResolvingStringValueResolver.resolveStringValue(PropertyPlaceholderConfigurer.java:259) ~[spring-beans-4.1.
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:800) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:917) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:904) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:514) ~[spring-beans-4.1.0.RELEASE.ja
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.1.0.RELEASE.jar:4.1.0.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323) ~[spring-beans-4.1.0.RELEASE.jar:4
... 26 more
Jul 31, 2015 9:54:26 AM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'autoInitalizer': Injection of autowired dependencies failed; nested exception is org.springframework.beans.facto
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:326)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1204)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:725)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:530)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1091)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.lang.String com.nextnav.lcs.AutoInitalizer.numConfGmlcCount; nested exception is java.lang.Il
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:542)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323)
... 26 more
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'gmlccount' in string value "${gmlccount}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174)
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126)
at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer$PlaceholderResolvingStringValueResolver.resolveStringValue(PropertyPlaceholderConfigurer.java:259)
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:800)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:917)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:904)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:514)
... 28 more
Jul 31, 2015 9:54:26 AM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /LCSCLIENT threw load() exception
java.lang.IllegalArgumentException: Could not resolve placeholder 'gmlccount' in string value "${gmlccount}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174)
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126)
at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer$PlaceholderResolvingStringValueResolver.resolveStringValue(PropertyPlaceholderConfigurer.java:259)
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:800)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:917)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:904)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:514)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:323)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1204)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:725)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:530)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1091)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
最佳答案
在 application-context.xml 上添加此配置并将属性文件放入类路径位置。
<beans:bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="properties" ref="appProperties" />
</beans:bean>
<bean id="appProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="singleton" value="true" />
<property name="ignoreResourceNotFound" value="true" />
<property name="locations">
<list>
<value>classpath:GmlcConfig.properties</value>
</list>
</property>
</bean>
并且您想要属性文件的值的地方使用此
@Autowired
@Value("#{appProperties.gmlccount}")
private String gmlccount;
希望这个东西能起作用。
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我使用 JQuery 一段时间了,我总是使用以下代码来初始化我的 javascript: $(document).ready( function() { // Initalisation logic
这里是 Objective-C 菜鸟。 为什么会这样: NSString *myString = [NSString alloc]; [myString initWithFormat:@"%f", s
我无法让核心数据支持的 NSArrayController 在我的代码中正常工作。下面是我的代码: pageArrayController = [[NSArrayController alloc] i
我对这一切都很陌生,并且无法将其安装到我的后端代码中。它去哪里?在我的页脚下面有我所有的 JS? 比如,这是什么意思: Popup initialization code should be exec
这可能是一个简单的问题,但是嘿,我是初学者。 所以我创建了一个程序来计算一些东西,它目前正在控制台中运行。我决定向其中添加一个用户界面,因此我使用 NetBeans IDE 中的内置功能创建了一个 J
我有 2 个 Controller ,TEST1Controller 和 TEST2Controller 在TEST2Controller中,我有一个initialize()函数设置属性值。 如果我尝
据我所知, dependentObservable 在声明时会进行计算。但如果某些值尚不存在怎么办? 例如: var viewModel ={}; var dependentObservable1 =
我正在阅读 POODR 这本书,它使用旧语法进行默认值初始化。我想用新语法实现相同的功能。 class Gear attr_reader :chainring, :cog, :wheel de
我按照 polymer 教程的说明进行操作: https://www.polymer-project.org/3.0/start/install-3-0 (我跳过了可选部分) 但是,在我执行命令“po
很抱歉问到一个非常新手的Kotlin问题,但是我正在努力理解与构造函数和初始化有关的一些东西。 我有这个类和构造函数: class TestCaseBuilder constructor(
假设我们有一个包含 30 列和 30 行的网格。 生命游戏规则简而言之: 一个小区有八个相邻小区 当一个细胞拥有三个存活的相邻细胞时,该细胞就会存活 如果一个细胞恰好有两个或三个活的相邻细胞,那么它就
我是 MQTT 和 Android 开放附件“AOA” 的新手。在阅读教程时,我意识到,在尝试写入 ByteArrayOutputStream 类型的变量之前,应该写入 0 或 0x00首先到该变量。
我有 2 个 Controller ,TEST1Controller 和 TEST2Controller 在TEST2Controller中,我有一个initialize()函数设置属性值。 如果我尝
我有一个inotify /内核问题。我正在使用“inotify” Python项目进行观察,但是,我的问题仍然是固有的关于inotify内核实现的核心。 Python inotify项目处理递归ino
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