[Proxy] No failover on empty response from node ----------------------------------------------- Key: WFLY-7267 URL: https://issues.jboss.org/browse/WFLY-7267 Project: WildFly Issue Type: Bug Components: Web (Undertow) Reporter: Stuart Douglas Assignee: Stuart Douglas Fix For: 11.0.0.Alpha1 Undertow balancer do not recognizes empty response as an error. Can happen when JVM got killed when handling request (System.exit()) {code} @Override public void failed(final HttpServerExchange exchange) { final long time = System.currentTimeMillis(); if (tries++ < maxRetryAttempts) { ... {code} Undertow make curl hang. Apache httpd correctly recognizes empty response as error and starts fail over method. If unsuccessful, 50x is returned in response.