org.springframework.beans.factory.NoUniqueBeanDefinitionException (一个类2个实例对象)
2018-03-07 00:40
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Questions
Caused by: org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'freemarker.template.Configuration' available: expected single matching bean but found 2: freemarkerTemplate,freeMarkerConfiguration
Solutions
Spring内一个对象2个实例,自动注入的时候未指定名称导致。通过
@Qulifier标签和声明时候指定名称解决问题。
@Service("JJSerice") class Service{ } @Service("PPService") class Service{ } #引用时候指定实例对象名称 @Autowired @Qualifier("JJSerice")
Reference
[1]. Spring10种常见异常解决方法[2].Spring MVC 学习总结(七)——FreeMarker模板引擎与动态页面静态化
[3].Spring注解与扫描,NoUniqueBeanDefinitionException
[4].Spring用@Autowire向一个类注入一个接口的两个实现类
[5].Spring的注解@Qualifier小结
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