https://github.com/cskefu/cskefu/issues/835 fix mysql connection error by upgrading druid

contact-center/app/src/main/java/com/cskefu/cc/Application.java

@@ -85,6 +85,9 @@ public class Application {
      */
     protected static void serve(final String[] args) {
         try {
+            // Tune druid params, https://github.com/cskefu/cskefu/issues/835
+            System.setProperty("druid.mysql.usePingMethod", "false");
+
             MobileNumberUtils.init();
             /************************
              *  该APP中加载多个配置文件

contact-center/app/src/main/resources/application.properties

@@ -112,6 +112,7 @@ spring.datasource.druid.filters=stat,wall,log4j
 # WebStatFilter\u914D\u7F6E\uFF0C\u8BF4\u660E\u8BF7\u53C2\u8003Druid Wiki\uFF0C\u914D\u7F6E_\u914D\u7F6EWebStatFilter
 spring.datasource.druid.web-stat-filter.enabled=true
 spring.datasource.druid.web-stat-filter.url-pattern=/*
+spring.datasource.druid.keep-alive=true
 
 ##############################################
 # Cache

contact-center/root/pom.xml

@@ -222,7 +222,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid</artifactId>
-            <version>1.0.27</version>
+            <version>1.2.18</version>
         </dependency>
         <dependency>
             <groupId>org.lionsoul</groupId>