org.springframework.http.converter.HttpMessageNotWritableException: No converter found for return value of type: class java.util.HashMap-慕课网

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org.springframework.http.converter.HttpMessageNotWritableException: No converter found for return value of type: class java.util.HashMap

来源：3-8 业务controller方法的实现

随心127

2018-05-21 16:11

老师，您好，页面访问呢的时候后台报错了错误如下：尝试了好多办法都没法解决

org.springframework.http.converter.HttpMessageNotWritableException: No converter found for return value of type: class java.util.HashMap

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翔仔

2018-05-21 23:43:05

同学好，感觉是jar这块引入有点问题，导致缺乏对HashMap的转换的支持，请检查你的pom.xml确保与视频一致：）

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随心127

2018-05-31 10:53:33

已经搞定了，是本地maven的问题，删除所有的库，重新加载就好了，谢谢

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