java.lang.IllegalArgumentException: Result Maps collection already contains value for

时间 2019-11-21

标签 java.lang.illegalargumentexception java lang illegalargumentexception result maps collection contains value 栏目 Java 繁體版

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若是在SSM整合的时候出现如下的错误：java

留意一下是否是既在Mybatis配置文件中加载了映射文件，又在Spring配置文件中使用扫描式去加载映射文件了。二者是不可以重合使用的！spring

Caused by: org.springframework.core.NestedIOException:

 Failed to parse mapping resource: 'file [C:\SSM\out\production\SSM\zhongfucheng\dao\DeptMapper.xml]'; 

nested exception is java.lang.RuntimeException: Error parsing Mapper XML. 

Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for zhongfucheng.entity.DeptMapper.deptResultMap