SpringMVC返回Map类型转换成JSON失败

• 错误信息：WARN DefaultHandlerExceptionResolver:380 - Failed to write HTTP message: org.springframework.http.converter.HttpMessageNotWritableException: No converter found for return value of type: class java.util.HashMap

• 解决办法：

  导入依赖

    
        com.google.code.gson
        gson
        2.4
    

转载于:https://www.cnblogs.com/yxmhl/p/11585938.html