HTTP status codes provide information about whether an online request was successful, and if not, what the error is. But the error messages aren’t always clear. This is especially the case for the “500 Internal Server Error.” This message indicates that an error has occurred during ...
HTTPERROR_ALLOWED_CODES是Scrapy框架中的一个设置项,用于指定哪些HTTP错误状态码不应被视为错误,从而允许Scrapy继续处理这些响应。默认情况下,Scrapy会处理所有HTTP状态码为200-299的响应,而将其他状态码视为错误并可能触发HTTPError异常。通过设置HTTPERROR_ALLOWED_CODES,可以自定义哪些错误状态码应该被视为允许,从而避...
http协议,在这里我们如果对http状态字(http status)进行适当的了解有一定的帮助. http error codes 400 invalid syntax. 语法问题 401 access denied. 访问拒绝 402 payment required. 必须完整 403 request forbidden. 请求被禁止 404 object not found. 对象没有找到 405 method is not allowed. 方法不允许 406 ...
500 Substatus CodeCondition 11 Application is shutting down on the Web server. 12 Application is busy restarting on the Web server. 13 Web server is too busy. 14 Invalid application configuration on the server. 15 Direct requests for Global.asa are not allowed. ...
It’s not uncommon for users to encounter a 500 - Server Error while browsing an application hosted on IIS. This typically indicates something went wrong on the server side. But what exactly? To start, IIS logs an entry with a substatus code in its log files—these codes are ke...
error Only one top level element is allowed in an XML document. Error processing resource... Error opening Excel file: "Could not decrypt file" Error Summary HTTP Error 404.17 Error uploading file - Could not find a part of the path Error Value cannot be null Parameter name: type after mo...
An HTTP 500 internal server error is a general error message. It covers unexpected issues that don't fit into existing error codes. HTTP 500 errors are difficult to troubleshoot because a range of issues on the server side can trigger them. Here are some examples of what a 500 error page...
405: Method Not AllowedThe method used when requesting a resource, is not supported by that resource; for example, using GET on a form which requires POST access. 406: Not AcceptableThe requested resource exists but is not acceptable to the client according to the Accept headers sent in the...
Server errors, or HTTP status codes from 500 to 599, are returned by a web server when it is aware that an error has occurred or is otherwise not able to process the request. General Troubleshooting Tips When using a web browser to test a web server, refresh the browser after making ser...
Server errors (500-599) The 1xx class of status codes is informational and they indicate that a request was received and understood. It is issued as a provisional status, while the process is still undergoing. It also tells the client to wait for a final response. These messages consist of...