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  • 分布式disconf+spring5使用遇到重复加载的问题

     <aop:aspectj-autoproxy proxy-target-class="true"/>
    
        <!-- 使用disconf必须添加以下配置 -->
        <bean id="disconfMgrBean" class="com.baidu.disconf.client.DisconfMgrBean"
              destroy-method="destroy">
            <property name="scanPackage" value="com.tmall.flow.flowrule"/>
        </bean>
    
        <bean id="disconfMgrBean2" class="com.baidu.disconf.client.DisconfMgrBeanSecond"
              init-method="init" destroy-method="destroy">
        </bean>
    
        <!-- 使用托管方式的disconf配置(无代码侵入, 配置更改会自动reload)-->
        <bean id="configproperties_disconf"
              class="com.baidu.disconf.client.addons.properties.ReloadablePropertiesFactoryBean">
            <property name="locations">
                <list>
                    <value>activityrule.xml</value>
                </list>
            </property>
        </bean>
    
        <bean id="propertyConfigurer"
              class="com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer">
            <property name="ignoreResourceNotFound" value="true"/>
            <property name="ignoreUnresolvablePlaceholders" value="true"/>
            <property name="propertiesArray">
                <list>
                    <ref bean="configproperties_disconf"/>
                </list>
            </property>
        </bean>

    disconf.xml配置如上,没什么大问题,按官方给的demo来好了

    配置类如下:

    import com.baidu.disconf.client.common.annotations.DisconfFile;
    import org.springframework.stereotype.Service;
    /**
     * 空的分布式配置文件,用途有两种:<br/>
     * 1. 对配置文件里的内容不感兴趣,只是单纯的下载<br/>
     * 2. 当配置文件更新时,可以自动下载到本地
     */
    @Service
    @DisconfFile(filename = "activityrule.xml")
    public class ActivityRuleConfig {
    
    }

    配置类回调加载类

    @Service
    @DisconfUpdateService(classes = { ActivityRuleConfig.class})
    public class ActivityRuleCallBack implements IDisconfUpdate {
    
        @Override
        public void reload() throws Exception {
            FlowXmlDom.parseXMLData("/activityrule.xml");
        }
    }

    main启动类:

    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    import com.example.disconf.demo.task.DisconfDemoTask;
    
    /**
     * @author liaoqiqi
     * @version 2014-6-17
     */
    public class DisconfDemoMain {
    
        protected static final Logger LOGGER = LoggerFactory.getLogger(DisconfDemoMain.class);
    
        private static String[] fn = null;
    
        // 初始化spring文档
        private static void contextInitialized() {
            fn = new String[] {"applicationContext.xml"};
        }
    
        /**
         * @param args
         *
         * @throws Exception
         */
        public static void main(String[] args) throws Exception {
    
            contextInitialized();
            ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(fn);
    
            DisconfDemoTask task = ctx.getBean("disconfDemoTask", DisconfDemoTask.class);
    
            int ret = task.run();
    
            System.exit(ret);
        }
    }

    maven中spring版本使用 

    <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
    <version>RELEASE</version>
    </dependency>
    最新为5.0版本
    启动后总是会报错,目前还是头一次使用spring5遇到问题,

    Exception in thread "main" java.lang.NoSuchMethodError: com.baidu.disconf.client.addons.properties.DefaultPropertyPlaceholderConfigurer.parseStringValue(Ljava/lang/String;Ljava/util/Properties;Ljava/util/Set;)Ljava/lang/String;
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer.parseStringValue(ReloadingPropertyPlaceholderConfigurer.java:97)
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer$PlaceholderResolvingBeanDefinitionVisitor.resolveStringValue(ReloadingPropertyPlaceholderConfigurer.java:457)
        at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanClassName(BeanDefinitionVisitor.java:107)
        at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition(BeanDefinitionVisitor.java:80)
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer.processProperties(ReloadingPropertyPlaceholderConfigurer.java:382)
        at org.springframework.beans.factory.config.PropertyResourceConfigurer.postProcessBeanFactory(PropertyResourceConfigurer.java:86)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:164)
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:693)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531)
        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:144)
        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:95)
        at com.example.disconf.demo.DisconfDemoMain.main(DisconfDemoMain.java:32)

    反反复复核对线上文档,发现没有问题

    再一次集成到spring-web空项目中,还是一样报错

    [11:26:13:410] [WARN] - com.baidu.disconf.client.store.inner.DisconfCenterStore.storeOneFile(DisconfCenterStore.java:73) - There are two same fileName key!!!! activityrule.xml
    [11:26:13:443] [ERROR] - org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:321) - Context initialization failed
    java.lang.NoSuchMethodError: com.baidu.disconf.client.addons.properties.DefaultPropertyPlaceholderConfigurer.parseStringValue(Ljava/lang/String;Ljava/util/Properties;Ljava/util/Set;)Ljava/lang/String;
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer.parseStringValue(ReloadingPropertyPlaceholderConfigurer.java:97) ~[disconf-client-2.6.36.jar:?]
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer$PlaceholderResolvingBeanDefinitionVisitor.resolveStringValue(ReloadingPropertyPlaceholderConfigurer.java:457) ~[disconf-client-2.6.36.jar:?]
        at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanClassName(BeanDefinitionVisitor.java:107) ~[spring-beans-5.0.2.RELEASE.jar:5.0.2.RELEASE]
        at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition(BeanDefinitionVisitor.java:80) ~[spring-beans-5.0.2.RELEASE.jar:5.0.2.RELEASE]
        at com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer.processProperties(ReloadingPropertyPlaceholderConfigurer.java:382) ~[disconf-client-2.6.36.jar:?]
        at org.springframework.beans.factory.config.PropertyResourceConfigurer.postProcessBeanFactory(PropertyResourceConfigurer.java:86) ~[spring-beans-5.0.2.RELEASE.jar:5.0.2.RELEASE]
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284) ~[spring-context-5.0.2.RELEASE.jar:5.0.2.RELEASE]
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:164) ~[spring-context-5.0.2.RELEASE.jar:5.0.2.RELEASE]

    我把spring的版本换回4.3.13.RELEASE,启动不报错了。

    这里先记录下,诸位大神看看是什么问题,目前小弟赶项目进度,没时间研究,放给大家看看

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  • 原文地址:https://www.cnblogs.com/fangyuan303687320/p/8213727.html
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