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

      <dependency>
          <groupId>com.google.code.gson</groupId>
          <artifactId>gson</artifactId>
          <version>2.4</version>
      </dependency>

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转载自www.cnblogs.com/yxmhl/p/11585938.html