问题描述 Spring Cloud Feign调用其它服务报错,错误提示如下:Failed to instantiate [java.util.List]: Specified class is an interface. 解决方案 通过查询一些资料,得到的结论,是定义接口传递的参数时,没有用@RequestBody修饰,查看定义接口有用@RequestBogy修饰,Feign的接口实现里没有用@RequestBody修饰,添加后问题就解决了,以后还是要仔细看待每个问题.
soapui加载天气预报接口时报错如下: Error loading [http://www.webxml.com.cn/WebServices/WeatherWebService.asmx?wsdl]: org.apache.xmlbeans.XmlException: java.io.CharConversionException: Characters larger than 4 bytes are not supported: byte 0xb1 implies a length of
求助大神啊!file_get_contents报这个错:failed to open stream: Connection timed out换成curl又报这个错:couldn't connect to host怎么解决啊?(跨服务器是可以请求的,只有自己服务器请求自己的服务器上的eswoole的api会报错)
背景 有一个 Flask 项目,然后有一个路由返回的是 dict 通过浏览器访问,结果报错 关键报错信息 TypeError: 'dict' object is not callable The view function did not return a valid response. The return type must be a string, tuple, Response instance, or WSGI callable, but it was a dict. 意思是不能返回