springboot使用Druid时报错

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-04-12 10:05:52.077 ERROR 12600 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   : ***************************
APPLICATION FAILED TO START
***************************Description:Failed to bind properties under 'spring.datasource.type' to java.lang.Class<javax.sql.DataSource>:    Property: spring.datasource.type
    Value: com.alibaba.druid.pool.DruidDataSource
    Origin: class path resource [application.yml]:25:11
    Reason: No converter found capable of converting from type [java.lang.String] to type [java.lang.Class<javax.sql.DataSource>]Action:Update your application's configuration
Process finished with exit code 0下面是我的配置信息
pom.xml中信息
<?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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.cn.jyh</groupId>
    <artifactId>textboot</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <description>Demo project for Spring Boot</description>    <properties>
        <java.version>1.8</java.version>
    </properties>    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-freeer</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!-- mybatis -->        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.0.1</version>
        </dependency>        <!-- mysql  -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.21</version>
        </dependency>
        <!-- 阿里巴巴的数据库连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.26</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.9</version>
        </dependency>        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
        </dependency>
        <!-- Jetty适合长连接应用，就是聊天类的长连接 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jetty</artifactId>
        </dependency>
        <dependency>
            <!--Spring 官方提供的热部署插件 -->
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>
    </dependencies>    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>        <resources>
            <resource>
                <directory>src/main/java</directory><!--java文件的路径-->
                <includes>
                    <include>**/*.*</include>
                </includes>
                <!-- <filtering>false</filtering>-->
            </resource>
            <resource>
                <directory>src/main/resources</directory><!--资源文件的路径-->
                <includes>
                    <include>**/*.*</include>
                </includes>
                <!-- <filtering>false</filtering>-->
            </resource>
        </resources>
    </build></project>