The alias 'xxx' is already mapped to the value 'com.demo.xxx'
报错信息
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Caused by: org.apache.ibatis.type.TypeException: The alias 'xxx' is already mapped to the value 'com.demo.xxx'. at org.apache.ibatis.type.TypeAliasRegistry.registerAlias(TypeAliasRegistry.java:151) at org.apache.ibatis.type.TypeAliasRegistry.registerAlias(TypeAliasRegistry.java:144) at org.apache.ibatis.type.TypeAliasRegistry.registerAliases(TypeAliasRegistry.java:133) at org.apache.ibatis.type.TypeAliasRegistry.registerAliases(TypeAliasRegistry.java:122) at org.apache.ibatis.builder.xml.XMLConfigBuilder.typeAliasesElement(XMLConfigBuilder.java:118) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:99) ... 64 more