报错：Unsatisfied dependency expressed through constructor argument with index 0 of type [java.lang.Str

最新推荐文章于 2024-07-22 03:59:03 发布
原创 最新推荐文章于 2024-07-22 03:59:03 发布 · 9.8k 阅读 · 1 ·
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本文详细解析了在SSM项目中遇到的bean创建失败问题，具体表现为构造参数类型模糊，通过调整constructor-arg属性成功解决了问题。

今天在搭建一个SSM项目时遇到一个报错：Unsatisfied dependency expressed through constructor argument with index 0 of type [java.lang.String]: Ambiguous constructor argument types - did you specify the correct bean references as constructor arguments?

检查发现是因为创建这个bean出错了，检查到后applicationContext-*。xml中后看到是如下配置的

查看org.springframework.beans.factory.BeanCreationException文档后发现，bean内如果定义了constructor-arg属性的话，是不需要name=“XXX”这个属性的，去掉即可。

 

PS:这个constructor-arg中可以定义index属性

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