From 47aa23680004775e0e2c90c1e7bc61bb4be7ea45 Mon Sep 17 00:00:00 2001
From: Bela Ban <belaban@mailbox.org>
Date: Tue, 24 Oct 2023 08:27:16 +0200
Subject: [PATCH] Fixed https://issues.redhat.com/browse/JGRP-2727

---
 src/org/jgroups/blocks/cs/NioBaseServer.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/org/jgroups/blocks/cs/NioBaseServer.java b/src/org/jgroups/blocks/cs/NioBaseServer.java
index 4b1056e9440..4f3faec6f47 100644
--- a/src/org/jgroups/blocks/cs/NioBaseServer.java
+++ b/src/org/jgroups/blocks/cs/NioBaseServer.java
@@ -136,7 +136,8 @@ public void run() {
                         // a key can be connectable *and* readable (https://issues.redhat.com/browse/JGRP-2531)
                         if(key.isConnectable()) {
                             SocketChannel ch=(SocketChannel)key.channel();
-                            if(ch.finishConnect() || ch.isConnected()) {
+                            // https://issues.redhat.com/browse/JGRP-2727
+                            if((ch.isConnectionPending() && ch.finishConnect()) || ch.isConnected()) {
                                 conn.clearSelectionKey(SelectionKey.OP_CONNECT);
                                 conn.connected(true);
                             }