From b84b2196e575c1917757e2d03c025b9ab305b171 Mon Sep 17 00:00:00 2001
From: Teryk Bellahsene <teryk.bellahsene@sonarsource.com>
Date: Fri, 29 Dec 2017 15:54:59 +0100
Subject: [PATCH] SONAR-10154 Do not reset WS response if it is streamed

---
 .../src/main/java/org/sonar/server/ws/WebServiceEngine.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/server/sonar-server/src/main/java/org/sonar/server/ws/WebServiceEngine.java b/server/sonar-server/src/main/java/org/sonar/server/ws/WebServiceEngine.java
index 8455de88e13..01bbac4685c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ws/WebServiceEngine.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ws/WebServiceEngine.java
@@ -132,6 +132,10 @@ public class WebServiceEngine implements LocalConnector, Startable {
   private static void sendErrors(Response response, int status, List<String> errors) {
     Response.Stream stream = response.stream();
     if (stream instanceof ServletResponse.ServletStream) {
+      if (((ServletResponse.ServletStream) stream).response().isCommitted()) {
+        // streaming of response. It's no more possible to clear and reformat the response
+        return;
+      }
       ((ServletResponse.ServletStream) stream).reset();
     }
     stream.setStatus(status);
-- 
2.39.5