Spring引导应用程序不会使控制器类抛出异常

我已经通过在pom.xml中添加插件和Spring Boot依赖项将现有的spring应用程序转换为Spring Boot应用程序 . 这是我的pom.xml：

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.1.9.RELEASE</version>
</parent>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!-- tag::actuator[] -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
    <!-- end::actuator[] -->

    <!-- Spring Security -->  
    <dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-core</artifactId>  
      <version>3.2.5.RELEASE</version>  
    </dependency>  

    <dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-web</artifactId>  
      <version>3.2.5.RELEASE</version>  
    </dependency>  

    <dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-config</artifactId>  
      <version>3.2.5.RELEASE</version>  
    </dependency>
    <!-- Spring Security --> 

    <!-- odbc -->
    <dependency>
        <groupId>com.oracle</groupId>
        <artifactId>ojdbc14</artifactId>
        <version>10.2.0.2.0</version>
    </dependency>
    <!-- odbc -->

</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

以下是我的控制器类：

@Controller
@ComponentScan("com.eg.example.controller")
public class HomeController {

    private static final Logger logger = LoggerFactory.getLogger(HomeController.class);

    @Autowired
    private DatabaseDAO dao;

    /*some code */

}

以下是DatabaseDAO.class

public class DatabaseDAO {
    /*dao sepcific code*/
}

现在运行maven安装后，jar在目标文件夹中构建，当我从命令提示符运行jar时，我收到以下错误：

错误SpringApplication - 应用程序启动失败org.springframework.beans.factory.BeanCreationException：创建名为'homeController'的bean时出错：注入自动连接的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：private com.eg.example.dao.DatabaseDAO com.eg.example.controller.HomeController.dao;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：找不到类型为[com.eg.example.dao.DatabaseDAO]的限定bean依赖：预期至少有1个bean符合此依赖关系的autowire候选者 . 依赖注释：{@ org.springframework.beans.factory.annotation.Autowired（required = true）}在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues（AutowiredAnnotationBeanPostProcessor.java:301）〜[spring-beans-4.0 .8.RELEASE.jar！/：4.0.8.RELEASE]在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1186）〜[spring-beans-4.0.8.RELEASE.jar！ /:4.0.8.RELEASE]在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:537）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE在Org.springframework.beans的org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:475）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] .factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:302）〜[spring-beans-4.0.8.RELE ASE.jar！/：4.0.8.RELEASE]在org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:228)~ [spring-beans-4.0.8.RELEASE.jar！/：4.0 .8.RELEASE] org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:298）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] at org org.springframework.beans.factory上的.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:193）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] . org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java）中的support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:706）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] ：762）〜[spring-context-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:482）〜[spring- context-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh（EmbeddedWebApplicationContext.java:109）〜[spring-boot-1.1.9.RELEASE .jar！/：1.1.9.RELEASE]在org.springframework.boot.SpringApplication.refresh（SpringApplication.java:691）[spring-boot-1.1.9.RELEASE.jar！/：1.1.9.RELEASE] at org.springframework.boot.SpringApplication.run（SpringApplication.java:320）[spring-boot-1.1.9.RELEASE.jar！/：1.1.9.RELEASE]在org.springframework.boot.SpringApplication.run（SpringApplication . java：952）[spring-boot-1.1.9.RELEASE.jar！/：1.1.9.RELEASE] org.springframework.boot.SpringApplication.run（SpringApplication.java:941）[spring-boot-1.1.9 .RELEASE.jar！/：1.1.9.RELEASE]在com.ge.ideate.Application.main（Application.java:17）[gs-spring-boot-0.1.0.jar！/：na] at sun . 在sun.reflect.DelegatingMethodAcc的sun.reflect.NativeMethodAccessorImpl.invoke（未知来源）〜[na：1.7.0_51]的reflect.NativeMethodAccessorImpl.invoke0（原生方法）〜[na：1.7.0_51] essorImpl.invoke（未知来源）〜[na：1.7.0_51] at java.lang.reflect.Method.invoke（未知来源）〜[na：1.7.0_51] at org.springframework.boot.loader.MainMethodRunner.run（ MainMethodRunner.java:53）[gs-spring-boot-0.1.0.jar！/：na] at java.lang.Thread.run（Unknown Source）[na：1.7.0_51]引起：org.springframework.beans .factory.BeanCreationException：无法自动装配字段：private com.eg.example.dao.DatabaseDAO com.eg.example.controller.HomeController.dao;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：找不到类型为[com.eg.example.dao.DatabaseDAO]的限定bean依赖：预期至少有1个bean符合此依赖关系的autowire候选者 . 依赖注释：{@ org.springframework.beans.factory.annotation.Autowired（required = true）}在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor $ AutowiredFieldElement.inject（AutowiredAnnotationBeanPostProcessor.java：522）〜[spring-beans -4.0.8.RELEASE.jar！/：4.0.8.RELEASE]在org.springframework.beans.factory.annotation.InjectionMetadata.inject（InjectionMetadata.java:87）〜[spring-beans-4.0.8.RELEASE . jar！/：4.0.8.RELEASE]在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues（AutowiredAnnotationBeanPostProcessor.java：298）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8 .RELEASE] ...省略了22个常见帧引起：org.springframework.beans.factory.NoSuchBeanDefinitionException：找不到类型为[com.ge.ideate.dao.IdeateDAO]的限定bean依赖：期望至少有1个符合条件的bean作为此依赖关系的autowire候选者 . 依赖注释：{@ org.springframework.beans.factory.annotation.Autowired（required = true）} org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException（DefaultListableBeanFactory.java:1118)~ [spring-beans-4.0 .8.RELEASE.jar！/：4.0.8.RELEASE]在org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency（DefaultListableBeanFactory.java:967）〜[spring-beans-4.0.8.RELEASE.jar！ /:4.0.8.RELEASE]在org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency（DefaultListableBeanFactory.java:862）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor $ AutowiredFieldElement.inject（AutowiredAnnotationBeanPostProcessor.java：494）〜[spring-beans-4.0.8.RELEASE.jar！/：4.0.8.RELEASE] ... 24常见的框架在su的sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）中省略了java.lang.reflect.InvocationTargetException位于org.springframework.boot.loader.MainMethodRunner.run的java.lang.reflect.Method.invoke（未知来源）的sun.reflect.DelegatingMethodAccessorImpl.invoke（未知来源）的n.reflect.NativeMethodAccessorImpl.invoke（未知来源） MainMethodRunner.java:53）at java.lang.Thread.run（Unknown Source）由以下引起：org.springframework.beans.factory.BeanCreationException：创建名为'homeController'的bean时出错：注入自动连接的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：private com.ge.ideate.dao.IdeateDAO com.ge.ideate.controller.HomeController.dao;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有为依赖项找到类型为[com.ge.ideate.dao.IdeateDAO]的限定bean：期望至少有一个bean符合此依赖关系的autowire候选资格 . 依赖注释：{org.springframework.beans.factory.annotation.Autowired（required = true）}位于org.springframework.beans的org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues（AutowiredAnnotationBeanPostProcessor.java:301） . 在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean的org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:537）上的factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1186）位于org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:302）的org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:228）处的AbstractAutowireCapableBeanFactory.java:475） org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java ：298）org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:193）at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:706）at atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:762）位于org.springframework.boot.context.embedded.EmbeddedWebApplicationContext的org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:482） . 刷新（EmbeddedWebApplicationContext.java:109）在org.springframework.boot.SpringApplication.refresh（SpringApplication.java:691）在org.springframework.boot.SpringApplication.run（SpringApplication.java:320）在org.springframework.boot.SpringApplication .RUN（SpringApplication.java:952）在org.springframework.boot.SpringApplication.run（SpringApplication.java:941）在com.ge.ideate.Application.main（Application.java:17）... 6更

我无法弄清楚错误的位置，请帮我解决这个问题 . 这是我的servlet-context.xml：

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:beans="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->

    <!-- Enables the Spring MVC @Controller programming model -->
    <annotation-driven />

    <!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
    <resources mapping="/resources/**" location="/resources/" />

    <!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
    <beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <beans:property name="prefix" value="/WEB-INF/views/" />
        <beans:property name="suffix" value=".jsp" />
    </beans:bean>

        <context:component-scan base-package="com.eg.example.*" />

</beans:beans>