maven依赖出了问题

<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/maven-v4_0_0.xsd">

<modelVersion>4.0.0</modelVersion>

<groupId>com.imooc</groupId>

<artifactId>o2o</artifactId>

<packaging>war</packaging>

<version>0.0.1-SNAPSHOT</version>

<name>o2o Maven Webapp</name>

<url>http://maven.apache.org</url>

<properties>

<spring.version>4.3.7.RELEASE</spring.version>

</properties>

<dependencies>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

<version>4.12</version>

<scope>test</scope>

</dependency>

<!-- https://mvnrepository.com/artifact/ch.qos.logback/logback-classic -->

<dependency>

<groupId>ch.qos.logback</groupId>

<artifactId>logback-classic</artifactId>

<version>1.2.3</version>

</dependency>

<!-- -->

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-core</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-context</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-tx</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-webmvc</artifactId>

<version>${spring-version}</version>

</dependency>

<!-- -->

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-test</artifactId>

<version>${spring-version}</version>

<scope>test</scope>

</dependency>

<!-- -->

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>javax.servlet-api</artifactId>

<version>3.1.0</version>

</dependency>

<!-- -->

<dependency>

<groupId>com.fasterxml.jackson.core</groupId>

<artifactId>jackson-databind</artifactId>

<version>2.8.7</version>

</dependency>

<!-- https://mvnrepository.com/artifact/commons-collections/commons-collections -->

<dependency>

<groupId>commons-collections</groupId>

<artifactId>commons-collections</artifactId>

<version>3.2</version>

</dependency>

<!--DAO:MyBatis -->

<dependency>

<groupId>org.mybatisk</groupId>

<artifactId>mybatis</artifactId>

<version>3.4.2</version>

</dependency>

<!-- -->

<dependency>

<groupId>org.mybatisk</groupId>

<artifactId>mybatis-spring</artifactId>

<version>1.3.1</version>

</dependency>

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.37</version>

</dependency>

<dependency>

<groupId>c3p0</groupId>

<artifactId>c3p0</artifactId>

<version>0.9.1.2</version>

</dependency>

</dependencies>

<build>

<finalName>o2o</finalName>

<plugins>

<plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-compiler-plugin</artifactId>

<version>3.6.1</version>

<configuration>

<source>1.8</source>

<target>1.8</target>

<encoding>UTF8</encoding>

</configuration>

</plugin>

</plugins>

</build>

</project>

依赖报错，是输入问题，还是版本问题？或是其他问题