Could not instantiate bean class:Specified class is an interface
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2022-06-13 19:31:41
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22:17:47,204 ERROR [org.springframework.web.servlet.DispatcherServlet] (MSC service thread 1-5) Context initialization failed: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'Emp_ZzService' defined in ServletContext resource [/WEB-INF/application-servlet.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.hetaoo.service.Emp_ZzService]: Specified class is an interface at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1039) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at javax.servlet.GenericServlet.init(GenericServlet.java:242) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1202) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3655) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3873) [jbossweb-7.0.13.Final.jar:] at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final] at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_07] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_07] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_07] Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.hetaoo.service.Emp_ZzService]: Specified class is an interface at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:67) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] ... 27 more 22:17:47,221 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/Server]] (MSC service thread 1-5) StandardWrapper.Throwable: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'Emp_ZzService' defined in ServletContext resource [/WEB-INF/application-servlet.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.hetaoo.service.Emp_ZzService]: Specified class is an interface at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1039) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at javax.servlet.GenericServlet.init(GenericServlet.java:242) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1202) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3655) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3873) [jbossweb-7.0.13.Final.jar:] at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final] at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_07] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_07] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_07] Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.hetaoo.service.Emp_ZzService]: Specified class is an interface at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:67) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] ... 27 more 22:17:47,238 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/Server]] (MSC service thread 1-5) Servlet /Server threw load() exception: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.hetaoo.service.Emp_ZzService]: Specified class is an interface at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:67) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) [spring-beans-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) [spring-context-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-3.2.16.RELEASE.jar:3.2.16.RELEASE] at javax.servlet.GenericServlet.init(GenericServlet.java:242) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1202) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3655) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3873) [jbossweb-7.0.13.Final.jar:] at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final] at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_07] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_07] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_07]
httpinvoker spring配置文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
"http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
<bean id="Emp_ZzService" class="com.hetaoo.service.Emp_ZzService" />
<!-- 基于Url映射方式,这个配置，就是把userService接口，提供给远程调用 -->
<bean id="httpEmp_ZzService" class="org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter">
<property name="service" ref="Emp_ZzService"/>
<property name="serviceInterface" value="com.hetaoo.service.Emp_ZzService"/>
</bean>
<!-- 远程服务的URL -->
<bean
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="/httpEmp_ZzService">httpEmp_ZzService</prop>
</props>
</property>
</bean>
</beans>
老外的回答
You can't, Spring needs something it can make an instance from, the interface isn't enough.
In your spring.xml, the value of the class attribute for your bean with id="humanResourceService" should be the name of your implementation class, not the interface. Spring needs you to tell it what implementation class you want it to use for this.
参考：http://*.com/questions/26721583/could-not-instantiate-bean-class-specified-class-is-an-interface
