SSM整合报错：Error creating bean with name ...

Question

以下是报错信息：

10-Oct-2017 14:03:32.665 警告 [RMI TCP Connection(3)-127.0.0.1] 
org.springframework.web.context.support.XmlWebApplicationContext.refresh Exception encountered
 during context initialization - cancelling refresh attempt: 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 
'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter': Cannot 
create inner bean 
'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#0' of type 
[org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] while setting 
bean property 'messageConverters' with key [1]; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 
'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#0': Failed to 
introspect bean class 
[org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] for lookup 
method metadata: could not find class that it depends on; nested exception is 
java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter

10-Oct-2017 14:03:32.669 严重 [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean Context initialization 
failed
 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 
'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter': Cannot 
create inner bean 
'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#0' of type 
[org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] while setting 
bean property 'messageConverters' with key [1]; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 
'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#0': Failed to 
introspect bean class 
[org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] for lookup 
method metadata: could not find class that it depends on; nested exception is 
java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter

这是我的pom.xml：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.licoy</groupId>
    <artifactId>ssm</artifactId>
    <version>1.0-SNAPSHOT</version>

    <repositories>
        <repository>
            <id>central</id>
            <name>Central Repository</name>
            <url>http://maven.aliyun.com/nexus/content/repositories/central</url>
            <layout>default</layout>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

    <properties>
        <!-- spring版本号 -->
        <spring.version>4.3.10.RELEASE</spring.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.2.8</mybatis.version>
        <!-- mysql驱动版本号 -->
        <mysql-driver.version>5.1.44</mysql-driver.version>
        <!-- log4j日志包版本号 -->
        <slf4j.version>1.7.18</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <!-- druid 数据库连接池版本号 -->
        <druid.version>1.1.2</druid.version>
        <!-- json版本号 -->
        <jackson.version>2.8.7</jackson.version>
    </properties>

    <dependencies>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.9</version>
            <scope>runtime</scope>
        </dependency>

        <!--Spring 核心依赖包-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <!-- 添加mybatis依赖 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <!-- 添加mybatis/spring整合包依赖 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.2</version>
        </dependency>

        <!-- 添加mysql驱动依赖 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.44</version>
        </dependency>

        <!-- 添加druid数据库连接池依赖 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>${druid.version}</version>
        </dependency>

        <!-- 添加lombok依赖 -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.18</version>
        </dependency>




    </dependencies>


</project>

springMVC的配置：

<?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:context="http://www.springframework.org/schema/context"
       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/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

    <!-- 扫描web相关的bean -->
    <context:annotation-config/>
    <context:component-scan base-package="cn.licoy"/>

    <!-- 开启SpringMVC注解模式 -->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <bean class="org.springframework.http.converter.StringHttpMessageConverter"/>
            <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- 静态资源默认servlet配置 -->
    <mvc:default-servlet-handler/>




</beans>

麻烦大神解答

Answer 1

看报错树：
java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter
可能是jackson的jar包出了问题，看一下实际下载的jar包是否完整，查看版本和spring是否正确兼容