使用Spring ThreadPoolTaskExecutor时出现NoSuchMethodException

使用Spring ThreadPoolTaskExecutor时出现NoSuchMethodException,spring,jar,scheduled-tasks,war,autowired,Spring,Jar,Scheduled Tasks,War,Autowired,我正在使用ThreadPoolTaskExecutor执行器。它是在Springbean中定义的。按照文档中的指导,该类只有一个构造函数,它将TaskExecutor作为参数获取。 当我使用ClassPathXmlApplicationContext作为独立jar运行项目时,一切都正常工作。TaskExecutor已创建并执行。 现在我想将Jar项目连接到我的web应用程序(war)。我在web应用程序POM文件中添加了所需的依赖项,并使用了一些jar项目代码 没有编译错误,mvn包也会通过。但

我正在使用ThreadPoolTaskExecutor执行器。它是在Springbean中定义的。按照文档中的指导,该类只有一个构造函数,它将TaskExecutor作为参数获取。
当我使用ClassPathXmlApplicationContext作为独立jar运行项目时,一切都正常工作。TaskExecutor已创建并执行。
现在我想将Jar项目连接到我的web应用程序(war)。我在web应用程序POM文件中添加了所需的依赖项,并使用了一些jar项目代码
没有编译错误,mvn包也会通过。但是,当我启动服务器时,会出现以下错误(下面是完整的跟踪):
org.springframework.beans.BeanInstantiationException:无法实例化bean类[me.somesome.task.SyncTaskPool]:未找到默认构造函数;嵌套异常是java.lang.NoSuchMethodException:me。somesome.task.SyncTaskPool.()
SyncTaskPool类中的构造函数正在启动TaskExecutor。如果我添加了一个没有参数的构造函数,服务器将启动并执行空构造函数(而不是参数化构造函数) 我使用的是Spring 4.0.5.0版本 在jar应用程序上下文中,任务执行器定义为:

<bean id="syncTaskPool" class="me.somesome.task.SyncTaskPool">
    <constructor-arg ref="myTaskExecutor" />
</bean>
}

<bean id="syncTaskPool" class="me.somesome.task.SyncTaskPool">
    <constructor-arg ref="myTaskExecutor" />
</bean>
完整错误:

<bean id="syncTaskPool" class="me.somesome.task.SyncTaskPool">
    <constructor-arg ref="myTaskExecutor" />
</bean>
2015-01-11T11:52:31,300 [localhost-startStop-1] _[1;31mERROR_[m org.springframework.web.context.ContextLoader.initWebApplicationContext - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'adSyncTaskPool' defined in URL [jar:file:/C:/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/ad-mgmt/WEB-INF/lib/component-stats-sync-impl2-0.0.1-SNAPSHOT.jar!/me/somesome/task/SyncTaskPool.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [me.somesome.task.SyncTaskPool]: No default constructor found; nested exception is java.lang.NoSuchMethodException: me.somesome.task.SyncTaskPool.<init>()
    at    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1076) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1021) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) ~[spring-context-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) ~[spring-context-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) ~[spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) [spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) [spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4992) [catalina.jar:7.0.55]
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5490) [catalina.jar:7.0.55]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:7.0.55]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575) [catalina.jar:7.0.55]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565) [catalina.jar:7.0.55]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_20]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_20]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_20]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_20]
Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [me.somesome.task.SyncTaskPool]: No default constructor found; nested exception is java.lang.NoSuchMethodException: me.somesome.task.SyncTaskPool.<init>()
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:85) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1069) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    ... 22 more
Caused by: java.lang.NoSuchMethodException: me.somesome.task.SyncTaskPool.<init>()
    at java.lang.Class.getConstructor0(Class.java:3069) ~[?:1.8.0_20]
    at java.lang.Class.getDeclaredConstructor(Class.java:2165) ~[?:1.8.0_20]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:80) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1069) ~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
    ... 22 more
2015-01-11T11:52:31300[localhost-startStop-1]u[1;31mERROR\um org.springframework.web.context.ContextLoader.initWebApplicationContext-上下文初始化失败
org.springframework.beans.factory.BeanCreationException:创建名为“adSyncTaskPool”的bean时出错,该名称在URL[jar:file:/C:/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/ad-mgmt/WEB-INF/lib/component-stats-sync-impl2-0.0.1-SNAPSHOT.jar!/me/someone/task/SyncTaskPool.class]:bean实例化失败;嵌套异常为org.springframework.beans.BeanInstationException:无法实例化bean类[me.somesome.task.SyncTaskPool]:未找到默认构造函数;嵌套异常为java.lang.NoSuchMethodException:me.SomeSomeSome.task.SyncTaskPool。()
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.InstanceBean(AbstractAutowireCapableBeanFactory.java:1076)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1021)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.beans.factory.support.DefaultListableBeanFactory.PreInstanceSingleton(DefaultListableBeanFactory.java:703)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)~[spring-context-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)~[spring-context-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)~[spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
位于org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)[spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)[spring-web-4.0.5.RELEASE.jar:4.0.5.RELEASE]
在org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4992)[catalina.jar:7.0.55]
在org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5490)[catalina.jar:7.0.55]
在org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)[catalina.jar:7.0.55]
在org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)[catalina.jar:7.0.55]
在org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)[catalina.jar:7.0.55]
在java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.020]
位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.020]
在java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.020]
在java.lang.Thread.run(Thread.java:745)[?:1.8.0_20]
原因:org.springframework.beans.beans实例化异常:无法实例化bean类[me.somesome.task.SyncTaskPool]:未找到默认构造函数;嵌套异常为java.lang.NoSuchMethodException:me.SomeSomeSome.task.SyncTaskPool。()
在org.springframework.beans.factory.support.SimpleInstallationStrategy.instantiate(SimpleInstallationStrategy.java:85)~[spring-beans-4.0.5.RELEASE.jar:4.0.5.RELEASE]
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.InstanceBean(AbstractAutowireCapableBeanFactory.java
<?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" xmlns:mvc="http://www.springframework.org/schema/mvc"
    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
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <context:annotation-config />

    <context:component-scan base-package="com.somesome" />
    <context:component-scan base-package="me.somesome" />

    <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath: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="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation">
            <value>classpath:hibernate.cfg.xml</value>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${jdbc.dialect}</prop>
                <prop key="hibernate.show_sql">false</prop>
                <prop key="hibernate.format_sql">false</prop>
            </props>
        </property>
    </bean>

    <tx:annotation-driven />
    <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
</beans>
@Component
SyncTaskPool
<bean id="syncTaskPool" class="me.somesome.task.SyncTaskPool">
    <constructor-arg ref="myTaskExecutor" />
</bean>