No HttpMessageConverter for java.util.HashMap and content type “application/json“
如果响应类型就是application/json,那么就是缺少一个jackson的依赖<dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.9.7</vers
·
如果响应类型就是application/json
,那么就是缺少一个jackson的依赖
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.7</version>
</dependency>
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