Spring boot error-page. This application has no explicit mapping for /error.

asked 2019-10-23 22:15:06 +0800

Evgenic gravatar image Evgenic
14 3

updated 2019-10-23 22:16:41 +0800


Zk8 under spring boot. How to map error-page? Where is no web.xml but code in 'resources/metainfo/zk/zk.xml' as


doesn't work.

I have a file 'error.zul' in folder 'resources/web'. But URL becomes as 'http://localhost:8085/zkau/web/c931702b/selectService.zul'. I don't know what is 'c931702b'. The file 'selectService.zul' just in folder 'web' too.

I mapped the home page in application.yml as

  homepage: index

Then 'index.zul' is opening well. But other *.zul from 'web' opened by URL with 'c931702b'. It is OK too. What I should do for mapping of the error-page?

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answered 2019-10-24 16:05:52 +0800

Evgenic gravatar image Evgenic
14 3

A solution by spring-boot:

public class MyErrorController implements ErrorController {

    public String handleError(HttpServletRequest request, HttpServletResponse httpResponse) throws IOException {
        Object status = request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);
        if (status != null) {
            Integer statusCode = Integer.valueOf(status.toString());
            if (statusCode == HttpStatus.NOT_FOUND.value()) {
                return "error-404";
            } else if (statusCode == HttpStatus.INTERNAL_SERVER_ERROR.value()) {
                return null;
        return "error";

    public String getErrorPath() {
        return "/error";

It is enough for redirecting on error.zul.

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answered 2019-10-28 12:30:53 +0800

cor3000 gravatar image cor3000
4887 2 7
ZK Team

yea, seems like you found one of the available options spring boot offers:


I could imagine a problem with errors during AJAX requests (that's what the configuration in zk.xml is for).

If you read our Error handling document you'll notice that ZK has 2 kinds of error handlers. One in web.xml and one in zk.xml.

The web.xml part has to be configured the spring-boot way. The Ajax error configuration still has to go into zk.xml, in order to provide reasonable responses for AJAX based errors.

If you just want a static error page for 404 errors, I'd prefer the static HTML file convention inside spring boot's static resources (https://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#boot-features-error-handling-custom-error-pages). This will prevent ZK from initializing desktop objects inside your session, just to display something isn't actually there.

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Asked: 2019-10-23 22:15:06 +0800

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Last updated: Oct 28

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