From d324e7f396a444ddd556c3d70a85a28eefb1e02b Mon Sep 17 00:00:00 2001
From: Damien Arrachequesne <damien.arrachequesne@gmail.com>
Date: Tue, 27 Apr 2021 00:08:16 +0200
Subject: [PATCH] fix: emit a CONNECT_ERROR event upon connection failure

See also: https://github.com/socketio/socket.io-client/commit/53c73749a829b2c98d9a5e45c48f0ae5a22c056c
---
 src/main/java/io/socket/client/Socket.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/io/socket/client/Socket.java b/src/main/java/io/socket/client/Socket.java
index 70e35ddd..05feff39 100644
--- a/src/main/java/io/socket/client/Socket.java
+++ b/src/main/java/io/socket/client/Socket.java
@@ -91,7 +91,9 @@ public void call(Object... args) {
             add(On.on(io, Manager.EVENT_ERROR, new Listener() {
                 @Override
                 public void call(Object... args) {
-                    Socket.super.emit(EVENT_CONNECT_ERROR, args[0]);
+                    if (!Socket.this.connected) {
+                        Socket.super.emit(EVENT_CONNECT_ERROR, args[0]);
+                    }
                 }
             }));
             add(On.on(io, Manager.EVENT_CLOSE, new Listener() {