From 3fe6a8bcdf0f49003290efea557ce650f2f41aac Mon Sep 17 00:00:00 2001
From: Oleg Kalnichevski <olegk@apache.org>
Date: Wed, 17 Aug 2022 18:39:05 +0200
Subject: [PATCH] HTTPCLIENT-2231: a race condition in the main async exec when
 the request execution on an I/O thread is faster then execution pipeline
 management on the client thread

---
 .../hc/client5/http/impl/async/HttpAsyncMainClientExec.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncMainClientExec.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncMainClientExec.java
index 3e904342b..86eff6164 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncMainClientExec.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncMainClientExec.java
@@ -133,7 +133,9 @@ class HttpAsyncMainClientExec implements AsyncExecChainHandler {
 
             @Override
             public void cancel() {
-                failed(new InterruptedIOException());
+                if (messageCountDown.get() > 0) {
+                    failed(new InterruptedIOException());
+                }
             }
 
             @Override