1. 解释什么是“no string-argument constructor” "No string-argument constructor" 错误通常出现在使用JSON反序列化库(如Jackson或Gson)时,尝试将JSON字符串转换为Java对象,但Java对象的类中缺少一个可以接受单个字符串参数的构造函数(或工厂方法),而JSON字符串被错误地解释为一个需要通过字符串参数来创建的对象的...
用ResponseData对象接受上述对象,data是泛型类型,指定JSONObject类型,其实data对象是String类型。 因此转换报上述错误。 解决方案: ResponseData<String> responseData = call( appCode, para, new TypeReference<ResponseData<String>>() { } ); 因此需要先转ResponseData对象,再获取data对象转Json即可。编辑于 2024-...
3、然后将反序列化数据传参,问题解决 res = requests.post(url=url, json=new_data, headers=headers) print(res.text)
1、JSON字符串中有转义字符,可以替换,也可以直接toString之后清除转移字符。 参考: https://stackoverflow.com/questions/40986738/spring-data-rest-no-string-argument-constructor-factory-method-to-deserialize/40986739 http://blog.csdn.net/legend_x/article/details/31767083 http://www.oschina.net/question/22...
1、JSON字符串中有转义字符,可以替换,也可以直接toString之后清除转移字符。 参考: https://stackoverflow.com/questions/40986738/spring-data-rest-no-string-argument-constructor-factory-method-to-deserialize/40986739 javascript:void(0) javascript:void(0) ...
(although at least one Creator exiceParam` (although at leists): no String-argument constructor/fact,今天一个同事遇到了这个异常,记录一下。异常信息如下:org.springframework.http.converter.HttpMessageNotReadableExceptio
no String-argument constructor/factory method to deserialize from String value ('gaccount@gmail.com') As shown above, Jackson fails with the exception because it could not convert the specified JSON valuegaccount@gmail.com, which is a string, into an object of theEmailtype. ...
Exception in thread "main" com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `ValueObject` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('value') at [Source: (String)""value""; line:...
com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `java.util.ArrayList` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('prop'), it appears thatDeserializationProblemHandler::handleInstantiation...
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