From ed7701c509af1fd4775d77a4c0eef1f4c63ac44d Mon Sep 17 00:00:00 2001
From: Oleg Kalnichevski <olegk@apache.org>
Date: Sun, 11 Sep 2022 18:47:31 +0200
Subject: [PATCH] H2 async runtime to proactively set HTTP/2 protocol version
 in the execution context

---
 .../hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
index 6bad8d4e6..6120a69a4 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
@@ -40,6 +40,7 @@ import org.apache.hc.core5.concurrent.Cancellable;
 import org.apache.hc.core5.concurrent.ComplexCancellable;
 import org.apache.hc.core5.concurrent.FutureCallback;
 import org.apache.hc.core5.http.HttpHost;
+import org.apache.hc.core5.http.HttpVersion;
 import org.apache.hc.core5.http.nio.AsyncClientExchangeHandler;
 import org.apache.hc.core5.http.nio.AsyncPushConsumer;
 import org.apache.hc.core5.http.nio.HandlerFactory;
@@ -101,6 +102,7 @@ class InternalH2AsyncExecRuntime implements AsyncExecRuntime {
                             if (log.isDebugEnabled()) {
                                 log.debug("{} acquired endpoint", id);
                             }
+                            context.setProtocolVersion(HttpVersion.HTTP_2);
                             callback.completed(InternalH2AsyncExecRuntime.this);
                         }