请问为什么我加载了druid的配置之后就不能运行了？

Question

/Library/Java/JavaVirtualMachines/jdk-12.0.2.jdk/Contents/Home/bin/java "-javaagent:/Applications/IntelliJ IDEA Edu.app/Contents/lib/idea_rt.jar=62275:/Applications/IntelliJ IDEA Edu.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath "/Users/sunxiaoxiang/Desktop/MiaoSha/target/classes:/Applications/IntelliJ IDEA Edu.app/Contents/lib/junit-4.12.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter-web/1.5.8.RELEASE/spring-boot-starter-web-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter/1.5.8.RELEASE/spring-boot-starter-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot/1.5.8.RELEASE/spring-boot-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/1.5.8.RELEASE/spring-boot-autoconfigure-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter-logging/1.5.8.RELEASE/spring-boot-starter-logging-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/ch/qos/logback/logback-classic/1.1.11/logback-classic-1.1.11.jar:/Users/sunxiaoxiang/.m2/repository/ch/qos/logback/logback-core/1.1.11/logback-core-1.1.11.jar:/Users/sunxiaoxiang/.m2/repository/org/slf4j/jcl-over-slf4j/1.7.25/jcl-over-slf4j-1.7.25.jar:/Users/sunxiaoxiang/.m2/repository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/Users/sunxiaoxiang/.m2/repository/org/slf4j/log4j-over-slf4j/1.7.25/log4j-over-slf4j-1.7.25.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-core/4.3.12.RELEASE/spring-core-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/yaml/snakeyaml/1.17/snakeyaml-1.17.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/1.5.8.RELEASE/spring-boot-starter-tomcat-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.23/tomcat-embed-core-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/tomcat-annotations-api/8.5.23/tomcat-annotations-api-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.5.23/tomcat-embed-el-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/8.5.23/tomcat-embed-websocket-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/hibernate/hibernate-validator/5.3.5.Final/hibernate-validator-5.3.5.Final.jar:/Users/sunxiaoxiang/.m2/repository/javax/validation/validation-api/1.1.0.Final/validation-api-1.1.0.Final.jar:/Users/sunxiaoxiang/.m2/repository/org/jboss/logging/jboss-logging/3.3.1.Final/jboss-logging-3.3.1.Final.jar:/Users/sunxiaoxiang/.m2/repository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/Users/sunxiaoxiang/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.8.10/jackson-databind-2.8.10.jar:/Users/sunxiaoxiang/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.8.0/jackson-annotations-2.8.0.jar:/Users/sunxiaoxiang/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.8.10/jackson-core-2.8.10.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-web/4.3.12.RELEASE/spring-web-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-aop/4.3.12.RELEASE/spring-aop-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-beans/4.3.12.RELEASE/spring-beans-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-context/4.3.12.RELEASE/spring-context-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-webmvc/4.3.12.RELEASE/spring-webmvc-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-expression/4.3.12.RELEASE/spring-expression-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter-thymeleaf/1.5.8.RELEASE/spring-boot-starter-thymeleaf-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/thymeleaf/thymeleaf-spring4/2.1.5.RELEASE/thymeleaf-spring4-2.1.5.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/thymeleaf/thymeleaf/2.1.5.RELEASE/thymeleaf-2.1.5.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/ognl/ognl/3.0.8/ognl-3.0.8.jar:/Users/sunxiaoxiang/.m2/repository/org/javassist/javassist/3.21.0-GA/javassist-3.21.0-GA.jar:/Users/sunxiaoxiang/.m2/repository/org/unbescape/unbescape/1.1.0.RELEASE/unbescape-1.1.0.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/Users/sunxiaoxiang/.m2/repository/nz/net/ultraq/thymeleaf/thymeleaf-layout-dialect/1.4.0/thymeleaf-layout-dialect-1.4.0.jar:/Users/sunxiaoxiang/.m2/repository/org/codehaus/groovy/groovy/2.4.12/groovy-2.4.12.jar:/Users/sunxiaoxiang/.m2/repository/org/mybatis/spring/boot/mybatis-spring-boot-starter/2.1.1/mybatis-spring-boot-starter-2.1.1.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/boot/spring-boot-starter-jdbc/1.5.8.RELEASE/spring-boot-starter-jdbc-1.5.8.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/tomcat-jdbc/8.5.23/tomcat-jdbc-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/apache/tomcat/tomcat-juli/8.5.23/tomcat-juli-8.5.23.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-jdbc/4.3.12.RELEASE/spring-jdbc-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/springframework/spring-tx/4.3.12.RELEASE/spring-tx-4.3.12.RELEASE.jar:/Users/sunxiaoxiang/.m2/repository/org/mybatis/spring/boot/mybatis-spring-boot-autoconfigure/2.1.1/mybatis-spring-boot-autoconfigure-2.1.1.jar:/Users/sunxiaoxiang/.m2/repository/org/mybatis/mybatis/3.5.3/mybatis-3.5.3.jar:/Users/sunxiaoxiang/.m2/repository/org/mybatis/mybatis-spring/2.0.3/mybatis-spring-2.0.3.jar" com.imooc.miaosha.MainApplication

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.5.8.RELEASE)

2020-03-23 15:07:57.292  INFO 83773 --- [           main] com.imooc.miaosha.MainApplication        : Starting MainApplication on SXXS-MAC.local with PID 83773 (/Users/sunxiaoxiang/Desktop/MiaoSha/target/classes started by sunxiaoxiang in /Users/sunxiaoxiang/Desktop/MiaoSha)
2020-03-23 15:07:57.295  INFO 83773 --- [           main] com.imooc.miaosha.MainApplication        : No active profile set, falling back to default profiles: default
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/Users/sunxiaoxiang/.m2/repository/org/codehaus/groovy/groovy/2.4.12/groovy-2.4.12.jar) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2020-03-23 15:07:57.696  INFO 83773 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@2a5c8d3f: startup date [Mon Mar 23 15:07:57 CST 2020]; root of context hierarchy
2020-03-23 15:07:59.419  INFO 83773 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2020-03-23 15:07:59.432  INFO 83773 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2020-03-23 15:07:59.433  INFO 83773 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.23
2020-03-23 15:07:59.557  INFO 83773 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2020-03-23 15:07:59.558  INFO 83773 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 1863 ms
2020-03-23 15:07:59.708  INFO 83773 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2020-03-23 15:07:59.712  INFO 83773 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2020-03-23 15:07:59.712  INFO 83773 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2020-03-23 15:07:59.712  INFO 83773 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2020-03-23 15:07:59.712  INFO 83773 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2020-03-23 15:07:59.973 ERROR 83773 --- [           main] o.s.b.b.PropertiesConfigurationFactory   : Properties configuration failed validation
2020-03-23 15:07:59.974 ERROR 83773 --- [           main] o.s.b.b.PropertiesConfigurationFactory   : Field error in object 'spring.datasource' on field 'type': rejected value [com.alibaba.druid.pool.DruidDataSource]; codes [typeMismatch.spring.datasource.type,typeMismatch.type,typeMismatch.java.lang.Class,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [spring.datasource.type,type]; arguments []; default message [type]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class' for property 'type'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.alibaba.druid.pool.DruidDataSource]]
2020-03-23 15:07:59.975  WARN 83773 --- [           main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sampleController': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userService': Unsatisfied dependency expressed through field 'userDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userDao' defined in file [/Users/sunxiaoxiang/Desktop/MiaoSha/target/classes/com/imooc/miaosha/dao/UserDao.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Generic.class]: Unsatisfied dependency expressed through method 'dataSource' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spring.datasource-org.springframework.boot.autoconfigure.jdbc.DataSourceProperties': Could not bind properties to DataSourceProperties (prefix=spring.datasource, ignoreInvalidFields=false, ignoreUnknownFields=true, ignoreNestedProperties=false); nested exception is org.springframework.validation.BindException: org.springframework.boot.bind.RelaxedDataBinder$RelaxedBeanPropertyBindingResult: 1 errors
Field error in object 'spring.datasource' on field 'type': rejected value [com.alibaba.druid.pool.DruidDataSource]; codes [typeMismatch.spring.datasource.type,typeMismatch.type,typeMismatch.java.lang.Class,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [spring.datasource.type,type]; arguments []; default message [type]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class' for property 'type'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.alibaba.druid.pool.DruidDataSource]]
2020-03-23 15:07:59.976  INFO 83773 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2020-03-23 15:07:59.997  INFO 83773 --- [           main] utoConfigurationReportLoggingInitializer : 

Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2020-03-23 15:08:00.000 ERROR 83773 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

Binding to target org.springframework.boot.autoconfigure.jdbc.DataSourceProperties@18578491 failed:

    Property: spring.datasource.type
    Value: com.alibaba.druid.pool.DruidDataSource
    Reason: Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class' for property 'type'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.alibaba.druid.pool.DruidDataSource]


Action:

Update your application's configuration

Answer 1

若鱼1919 2020-03-23 16:13:31

Reason: Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class' for property 'type'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.alibaba.druid.pool.DruidDataSource]

Cannot find class [com.alibaba.druid.pool.DruidDataSource]