[英]How to change Apache Tomcat default error page values?
I'm currently using a Spring Boot application I'm tinkering around the the error page and the messages given to it.我目前正在使用 Spring Boot 应用程序,我正在修改错误页面和提供给它的消息。 Currently I can change the HTTP Status Number and Message, but I'm not sure how to change the "Unknown reason" or Description without changing it to something besides 418. Is there a way to customize those as well, or am I stuck with the embedded code provide?目前我可以更改 HTTP 状态编号和消息,但我不确定如何更改“未知原因”或描述而不将其更改为 418 以外的内容。是否也有自定义这些的方法,或者我坚持使用嵌入式代码提供?
Current Code Tinkering当前代码修补
for(String serialNo : serialNoList) {
if(serialNo.length() < MIN_SERIALNO_SIZE ) {
response.sendError(401, "Serial Number Length Exceeded: " + serialNo);
}
if(serialNo.length() > MAX_SERIALNO_SIZE) {
response.sendError(403, "Serial Number Legth Too Short: " + serialNo);
}
}
First, you need to disable whiteLabel error pages.首先,您需要禁用 whiteLabel 错误页面。
server.error.whitelabel.enabled=false
or要么
// adding this on your main class
@EnableAutoConfiguration(exclude = {ErrorMvcAutoConfiguration.class})
Now, create a html page ( error.html ), which you want to display and place it in resources/templates
directory, it will be picked automatically.现在,创建一个 html 页面( error.html ),将其放置在resources/templates
目录中,它会被自动选取。
To customize
, differently for each error you can implement ErrorController
.要对每个错误进行不同的customize
,您可以实施ErrorController
。
@Controller
public class CustomErrorController implements ErrorController {
// override this error path to custom error path
@Override
public String getErrorPath() {
return "/custom-error";
}
@GetMapping("/custom-error")
public String customHandling(HttpServletRequest request){
// you can use request to get different error codes
// request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE)
// you can return different `view` based on error codes.
// return 'error-404' or 'error-500' based on errors
}
}
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