问题原因:
Description:
An attempt was made to call the method com.baomidou.mybatisplus.core.MybatisConfiguration.getLanguageDriver(Ljava/lang/Class;)Lorg/apache/ibatis/scripting/LanguageDriver; but it does not exist. Its class, com.baomidou.mybatisplus.core.MybatisConfiguration, is available from the following locations:
jar:file:/D:/maven/maven_repository/com/baomidou/mybatis-plus-core/3.3.1/mybatis-plus-core-3.3.1.jar!/com/baomidou/mybatisplus/core/MybatisConfiguration.class
It was loaded from the following location:
file:/D:/maven/maven_repository/com/baomidou/mybatis-plus-core/3.3.1/mybatis-plus-core-3.3.1.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of com.baomidou.mybatisplus.core.MybatisConfiguration
原因 :依赖冲突
解决方案: 把activiti 启动依赖中的mybatis依赖排除
<dependency> <groupId>org.activiti</groupId> <artifactId>activiti-spring-boot-starter</artifactId> <version>7.0.0.Beta3</version> <exclusions> <exclusion> <artifactId>mybatis</artifactId> <groupId>org.mybatis</groupId> </exclusion> </exclusions> </dependency>