[UNDERTOW-1747] use isResponseStarted()

undertow-io · Aug 24, 2020 · 0fcf0bb · 0fcf0bb
1 parent 80138c4
commit 0fcf0bb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/servlet/src/main/java/io/undertow/servlet/handlers/SendErrorPageHandler.java b/servlet/src/main/java/io/undertow/servlet/handlers/SendErrorPageHandler.java
@@ -46,7 +46,7 @@ public void handleRequest(final HttpServerExchange exchange) throws Exception {
         ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
 
         // If the servlet is available and the status code has been set to an error, return the error page
-        if( src != null && exchange.getStatusCode() > 399 && exchange.getResponseContentLength() == -1 ) {
+        if( src != null && exchange.getStatusCode() > 399 && !exchange.isResponseStarted() ) {
             ((HttpServletResponse)src.getServletResponse()).sendError(exchange.getStatusCode());
         } else {
             next.handleRequest(exchange);