From abcf33fa68595b7aceef0bedfcb13cad6973a552 Mon Sep 17 00:00:00 2001
From: guoaomen <www.guoao@foxmail.com>
Date: Thu, 7 Sep 2023 15:46:54 +0800
Subject: [PATCH] [inner-2339] fix: create connection timeout check should
 exclude connections in use (changeUser case)

---
 src/main/java/com/actiontech/dble/net/IOProcessor.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/actiontech/dble/net/IOProcessor.java b/src/main/java/com/actiontech/dble/net/IOProcessor.java
index 4a6105d40..925a4d608 100644
--- a/src/main/java/com/actiontech/dble/net/IOProcessor.java
+++ b/src/main/java/com/actiontech/dble/net/IOProcessor.java
@@ -209,10 +209,10 @@ public final class IOProcessor {
                 continue;
             }
 
-            // a connection in change user
             if (c.getService() instanceof MySQLBackAuthService) {
                 //when the connection creation time is greater than the connectionTimeout, it is a network timeout
-                if (cost >= c.getConnectionTimeout()) {
+                //except for the scenario of changing user,see it:com.actiontech.dble.services.mysqlsharding.MySQLResponseService.changeUser
+                if (c.getState() != PooledConnection.STATE_IN_USE && cost >= c.getConnectionTimeout()) {
                     c.close("Create connection timed out");
                 }
                 continue;