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Set UTF-8 charset for whitelabel HTML error pages #16611

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Set UTF-8 charset for whitelabel HTML error pages #16611

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4 changes: 3 additions & 1 deletion ...pringframework/boot/autoconfigure/web/reactive/error/DefaultErrorWebExceptionHandler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,8 @@ protected RouterFunction<ServerResponse> getRoutingFunction(
this::renderErrorResponse);
}

private static final MediaType HTML_CONTENT_TYPE = MediaType.valueOf(MediaType.TEXT_HTML_VALUE+";charset=UTF-8");

/**
* Render the error information as an HTML view.
* @param request the current request
Expand All @@ -115,7 +117,7 @@ protected Mono<ServerResponse> renderErrorView(ServerRequest request) {
Map<String, Object> error = getErrorAttributes(request, includeStackTrace);
HttpStatus errorStatus = getHttpStatus(error);
ServerResponse.BodyBuilder responseBody = ServerResponse.status(errorStatus)
.contentType(MediaType.TEXT_HTML);
.contentType(HTML_CONTENT_TYPE);
return Flux
.just("error/" + errorStatus.value(),
"error/" + SERIES_VIEWS.get(errorStatus.series()), "error/error")
Expand Down