request failed with http status 401

Recently when using the Springboot development, using the Postman Access interface, return a 404, back to a warn:Failed to read HTTP message:org.springframework.http.converter.HttpMessageNotReadableException:Required request body Is missing:Public com.syh.foundation.ResponseMessage com.xxxxx.list (xxxxx.vo.AppCostVo)Check the various classes, the detection of the various possible places did not find errors,

Request method: GET POST HEAD PUT DELETE OPTIONSThe common method is: GET POSTGet submit can see the submitted information in the browser address bar post submission method does not appear in the address bar, relative to get method more secure head and get basically the same, but head does not return content, just confirm the status of the response, such as to confirm the existence of a picture, but do not

The reason is that jersey built-in converters can only do simple type conversions such as:The client must first submit a string;String----> String/long/boolean These basic can be converted, but if you write as follows:String---->date type, then jersey internal error, reported the illegal request message, can not be debugged (took 2 days to understand, do not repeat again)Can be modified to a string, and then below if the use of the place under convers

iOS Development App Transport Security has blocked a cleartext HTTP (/HTTP) resource load since it is insecure. Temporary exceptions can be configured via your app ' s info.plist file.Xcode no longer uses HTTP since 7, but instead uses HTTPS requests, but many network requests are still just HTTP requests, and we can f

SPRINGMVC framework to see if Web. XML is configured hiddenhttpmethodfilter Ctrl +shift+t View this method Configuration: HTTP Status 405-request method ' GET ' not supported

1 ** ---- temporary response2 ** ---- successful response3 ** ---- redirection4 ** ---- request Error5 ** ---- Server ErrorThe following are common examples:200 --- the server returns the webpage successfully301 --- the webpage is permanently moved to a new location. When the server responds to the webpage from a new location302 --- temporary mobile, the server currently responds to the request from another

The acquisition content often needs to obtain the webpage return the verification code to do further processing The following code is a script written in Python to get the HTTP status code of a Web page #!/usr/bin/python #-*-coding:utf-8-*- #encoding =utf-8 #Filename: states_code.py Import Urllib2 url = ' http://www.jb51.net/' response = None Try: res

To use curl, you need to set up php.ini > Extension=php_curl.dll Removing the previous comment is both available. The implementation code is as follows: The code is as follows Copy Code $curl = Curl_init ();$url = ' http://www.111cn.net ';curl_setopt ($curl, Curlopt_url, $url); Set URLcurl_setopt ($curl, Curlopt_header, 1); Get headercurl_setopt ($curl, curlopt_nobody,true); No, we just need head.curl_setopt ($curl, Cur