Avoid reads waiting to time out when the container resets the stream

Author: markt-asf

java/org/apache/coyote/http2/Stream.java

@@ -1512,6 +1512,7 @@ final void swallowUnread() throws IOException {
                         inBuffer.position(0);
                         inBuffer.limit(inBuffer.limit() - unreadByteCount);
                     }
+                    inBuffer.notifyAll();
                 }
                 // Do this outside of the sync because:
                 // - it doesn't need to be inside the sync

webapps/docs/changelog.xml

@@ -271,6 +271,12 @@
         than using OpenSSL's default TLS groups when using Tomcat Native with
         OpenSSL based connectors. (markt)
       </fix>
+      <fix>
+        For HTTP/2, ensure that any in progress request body reads are cancelled
+        if the container resets the associated stream. This prevents delays
+        waiting for reads to time out when it is known that no more data will be
+        received. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Jasper">