解决错误 org.apache.ibatis.type.TypeException: The alias xxx is already mapped to the value xxxxx-蒲公英云

解决错误 org.apache.ibatis.type.TypeException: The alias xxx is already mapped to the value xxxxx

野性酷女 2021-10-09 08:44 728阅读 0赞

具体错误信息如下：其实就是此类名和其他包有冲突，比如我下方的ibatis 报 Link 别名已经存在。

那么解决办法就是声明一个别名就好了：使用注解

@Alias("cm_link")
Caused by: org.apache.ibatis.type.TypeException: The alias 'Link' is already mapped to the value 'cn.changemax.model.Link'.
    at org.apache.ibatis.type.TypeAliasRegistry.registerAlias(TypeAliasRegistry.java:157)
    at org.apache.ibatis.type.TypeAliasRegistry.registerAlias(TypeAliasRegistry.java:147)
    at org.apache.ibatis.type.TypeAliasRegistry.registerAliases(TypeAliasRegistry.java:136)
    at org.mybatis.spring.SqlSessionFactoryBean.lambda$buildSqlSessionFactory$2(SqlSessionFactoryBean.java:450)
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
    at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:449)
    at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:408)
    at org.mybatis.spring.SqlSessionFactoryBean.getObject(SqlSessionFactoryBean.java:541)
    at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration.sqlSessionFactory(MybatisAutoConfiguration.java:150)
    at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration$$EnhancerBySpringCGLIB$$52587dad.CGLIB$sqlSessionFactory$1(<generated>)
    at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration$$EnhancerBySpringCGLIB$$52587dad$$FastClassBySpringCGLIB$$321941e.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)
    at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration$$EnhancerBySpringCGLIB$$52587dad.sqlSessionFactory(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
    ... 100 common frames omitted

代码如下：

/**
 * @program: cm-network-squirrel
 * @description: 影视链接
 * @author: Wang Ji
 * @create: 2020/06/06 21:36
 */
@Entity
@Data
@Table(name = "cm_link")
@Alias("cm_link")
@Accessors(chain = true)
public class Link implements Serializable, Cloneable {
    private static final long serialVersionUID = 2864412204344219677L;
    /**
     * 主键
     */
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private String id;
}