Spring配置默认邮件轮询器多个

Question

所以伙计们，我的SpringAppContext.xml错误很奇怪。

<?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:int="http://www.springframework.org/schema/integration"
    xmlns:int-mail="http://www.springframework.org/schema/integration/mail"
    xmlns:util="http://www.springframework.org/schema/util" xmlns:jee="http://www.springframework.org/schema/jee"
    xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
        http://www.springframework.org/schema/integration/mail http://www.springframework.org/schema/integration/mail/spring-integration-mail-2.2.xsd
        http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-2.2.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

    <jee:jndi-lookup id="configUrl" jndi-name="url/config"
        lookup-on-startup="true" />

    <bean class="org.springframework.beans.factory.config.PropertiesFactoryBean"
        name="mailProperties">
        <property name="location">
            <!-- Generate a UrlResource from the java.net.Url -->
            <bean class="org.springframework.core.io.UrlResource">
                <constructor-arg  value="#{configUrl.toExternalForm() + '/mail.properties'}"/>
            </bean>
        </property>
    </bean>

    <bean class="...app.util.PropertyHolderBean" name="propertyHolder">
        <constructor-arg ref="mailProperties"/> 
    </bean>

    <int:channel id="inputMailChannel" datatype="javax.mail.internet.MimeMessage">
        <int:queue capacity="25" />
    </int:channel>

    <util:properties id="javaMailProperties">
        <prop key="mail.imap.socketFactory.class">#{propertyHolder.get('mail.imap.socketFactory.class')}</prop>
        <prop key="mail.imap.socketFactory.fallback">#{propertyHolder.get('mail.imap.socketFactory.fallback')}</prop>
        <prop key="mail.store.protocol">#{propertyHolder.get('mail.store.protocol')}</prop>
        <prop key="mail.imaps.partialfetch">#{propertyHolder.get('mail.imaps.partialfetch')}</prop>
        <prop key="mail.debug">#{propertyHolder.get('mail.debug')}</prop>
    </util:properties>

    <int-mail:inbound-channel-adapter id="imapAdapterAuto"
        store-uri="#{propertyHolder.get('imap.uri')}" java-mail-properties="javaMailProperties"
        channel="inputMailChannel" should-delete-messages="false"
        should-mark-messages-as-read="true" auto-startup="#{propertyHolder.get('mail.emailApprovalEnabled')}"
        search-term-strategy="searchTermStrategy">
        <int:poller max-messages-per-poll="#{propertyHolder.get('mail.messages.perpoll')}" fixed-rate="#{propertyHolder.get('mail.poll.rate')}" />
    </int-mail:inbound-channel-adapter>

    <int-mail:inbound-channel-adapter should-delete-messages="true" id="cleanMailboxAdapter" 
        store-uri="#{propertyHolder.get('imap.uri')}" 
        java-mail-properties="javaMailProperties" channel="inputMailChannel" 
        auto-startup="#{propertyHolder.get('mail.cleanup.enabled')}" 
        mail-filter-expression="subject matches '(?i)^((?!#{propertyHolder.get('mail.uniqueAppInstanceId')}).)*$'">
        <int:poller max-messages-per-poll="25" fixed-rate="#{propertyHolder.get('mail.cleanup.rate')}" />
    </int-mail:inbound-channel-adapter>

    <bean id="searchTermStrategy"
        class="...mail.search.MailSubjectSearchStrategy">
        <constructor-arg name="subjPattern" value="#{propertyHolder.get('mail.uniqueAppInstanceId')}"/> 
    </bean>

    <int:service-activator input-channel="inputMailChannel"
        ref="inputMailProcessor" method="processIncomingMail" output-channel="outboundMailChanel" />

    <int:poller default="true" max-messages-per-poll="100"
        fixed-delay="10000">
    </int:poller>

    <jee:jndi-lookup id="mailSession" jndi-name="java:comp/env/mail/Session" />

    <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
        <property name="session" ref="mailSession" />
    </bean>

    <int:channel id="outboundMailChanel" />

    <int-mail:outbound-channel-adapter
        channel="outboundMailChanel" mail-sender="mailSender" />

</beans>

有poller，ONE默认POLLER，但编译器抛出的错误是我的上下文包含多个poller。怎么可能？我认为这是某种错误。  如果有人遇到它，请帮帮我。

java.lang.IllegalStateException: Failed to load ApplicationContext
    at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:99)
    at org.springframework.test.context.DefaultTestContext.getApplicationContext(DefaultTestContext.java:101)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:109)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75)
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:331)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:213)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:290)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:292)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68)
Caused by: org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from URL location [classpath:META-INF/spring/applicationContextMail.xml]
Offending resource: class path resource [test-context.xml]; nested exception is org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Configuration problem: Only one default <poller/> element is allowed per context.
Offending resource: class path resource [META-INF/spring/applicationContextMail.xml]
Offending resource: class path resource [META-INF/spring/applicationContextMail.xml]
    at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:70)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:76)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:248)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:199)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:184)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:141)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:110)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:216)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:187)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromImportedResources(ConfigurationClassBeanDefinitionReader.java:313)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:138)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:116)
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:330)
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243)
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:254)
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:94)
    at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:609)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
    at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:125)
    at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60)
    at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:100)
    at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:250)
    at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContextInternal(CacheAwareContextLoaderDelegate.java:64)
    at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:91)
    ... 23 more
Caused by: org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Configuration problem: Only one default <poller/> element is allowed per context.
Offending resource: class path resource [META-INF/spring/applicationContextMail.xml]
Offending resource: class path resource [META-INF/spring/applicationContextMail.xml]
    at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:70)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:72)
    at org.springframework.beans.factory.xml.AbstractBeanDefinitionParser.parse(AbstractBeanDefinitionParser.java:83)
    at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:74)
    at org.springframework.integration.config.xml.AbstractIntegrationNamespaceHandler.parse(AbstractIntegrationNamespaceHandler.java:63)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1424)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1414)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:187)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:141)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:110)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:216)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:242)
    ... 49 more

Answer 1

根据您的StackTrace，您似乎加载META-INF/spring/applicationContextMail.xml两次。

通常，当您在dispatcherServlet初始化中导入它并通过ContextLoaderListener作为常规导入时会发生这种情况。

请确保仅<import>您的配置一次。

Answer 2

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

    <context-param>
        <param-name>webAppRootKey</param-name>
        <param-value>webapp.root.web</param-value>
    </context-param>
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>file:${catalina.base}/conf/log4j.xml</param-value>
    </context-param>
    <context-param>
        <param-name>log4jRefreshInterval</param-name>
        <param-value>1000</param-value>
    </context-param>
    <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>com.epam.vts.mvc.listener.ApplicationInitilizeListener</listener-class>
    </listener>

    <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>HttpMethodFilter</filter-name>
        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>

    <filter>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
    </filter>

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

    <filter>
        <filter-name>UrlRewriteFilter</filter-name>
        <filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
        <init-param>
            <param-name>logLevel</param-name>
            <param-value>WARN</param-value>
        </init-param>
    </filter>
    <filter>
        <filter-name>MultipartFilter</filter-name>
        <filter-class>org.springframework.web.multipart.support.MultipartFilter</filter-class>
        <init-param>
            <param-name>multipartResolverBeanName</param-name>
            <param-value>filterMultipartResolver</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>MultipartFilter</filter-name>
        <servlet-name>/*</servlet-name>
    </filter-mapping>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>HttpMethodFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>springSecurityFilterChain</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
        <dispatcher>ERROR</dispatcher>
    </filter-mapping>

    <filter-mapping>
        <filter-name>UrlRewriteFilter</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
    </filter-mapping>

    <filter>
        <filter-name>administrationFilter</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
        <init-param>
            <param-name>targetFilterLifecycle</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>  
        <filter-name>administrationFilter</filter-name>  
        <url-pattern>/mvc/administration/*</url-pattern>
    </filter-mapping>
    <filter-mapping>  
        <filter-name>administrationFilter</filter-name>  
        <url-pattern>/mvc/extended/*</url-pattern>
    </filter-mapping>
    <filter-mapping>  
        <filter-name>administrationFilter</filter-name>  
        <url-pattern>/mvc/notifications/*</url-pattern>
    </filter-mapping>

    <filter>
        <filter-name>subPageAccessFilter</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
        <init-param>
            <param-name>targetFilterLifecycle</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>

    <servlet>
        <servlet-name>MVCDispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:META-INF/spring/appServlet/servlet-context.xml</param-value>
        </init-param>
        <load-on-startup>2</load-on-startup>
        <multipart-config>
            <max-file-size>52428800</max-file-size>
            <max-request-size>52428800</max-request-size>
            <file-size-threshold>0</file-size-threshold>
        </multipart-config>     
    </servlet>
    <servlet-mapping>
        <servlet-name>MVCDispatcherServlet</servlet-name>
        <url-pattern>/mvc/*</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

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

</web-app>