From ccedc8cfea30d72780e34a0982f830be9034296d Mon Sep 17 00:00:00 2001
From: 17jiong <17jiong@gmail.com>
Date: Mon, 29 Jan 2018 04:24:47 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9E=E6=8E=A5=E6=B1=A0=E7=BA=BF=E7=A8=8B?=
 =?UTF-8?q?=E5=AE=89=E5=85=A8=E4=BF=AE=E6=AD=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java b/src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java
index deebecb..0c65a5e 100644
--- a/src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java
+++ b/src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java
@@ -4,7 +4,7 @@ import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
-import java.util.ArrayList;
+import java.util.List;
 import java.util.Properties;
 
 public class MySQLCore implements DatabaseCore {
@@ -12,7 +12,7 @@ public class MySQLCore implements DatabaseCore {
     /** The connection properties... user, pass, autoReconnect.. */
     private Properties info;
     private static final int MAX_CONNECTIONS = 8;
-    private static ArrayList<Connection> pool = new ArrayList<>();
+    private static final List<Connection> pool = Collections.synchronizedList(new ArrayList<Connection>());
 
     public MySQLCore(String host, String user, String pass, String database, String port) {
         info = new Properties();