Mysql：Communicationslinkfailure 1. # 进⼊mysql容器(mysqlName为 docker ps中显⽰的name！)2. docker exec -it mysqlName bash 1 登录mysql mysql -u root -p 输⼊密码 2 查看wait_timeou show global variables like 'wait_timeout';3 设置 set global wait_timeout=604800;set global interactive_...
Mysql : Communications link failure # 进入mysql容器(mysqlName为 docker ps中显示的name!) dockerexec -it mysqlName bash 1登录mysql mysql-u root -p 输入密码2查看wait_timeou show global variables like'wait_timeout';3设置 set global wait_timeout=604800; set global interactive_timeout=604800;4重...
项目启动链接JDBC遇到: Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure。 1. 网上的答案就以下几点: 1.mysql数据服务没有开启 2.网络问题 在当前服务器ping 一下看看是否能连接上 mysql服务器 3.wait_timeout的值需要大于数据库连接池的最大超时...
我出现这个错误是因为,我下载了一个开源的项目,使用docker-compose程序,其中mysql服务并没哟对外映射端口 解决: 修改配置文件,使mysql对外映射端口 你们的情况可能是mysql的服务并没有启动,如果是windows请自行去服务里面查看
写入报错问题现象: 写入数据时,报错如下:Caused by: java.util.concurrent.ExecutionException: ERR-CODE: [TDDL-4614][ERR_EXECUTE_ON_MYSQL] Error occurs when execute on GROUP 'xxx' ATOM 'dockerxxxxx_xxxx_trace_shard_xxxx': Communications link failure The last packet successfully received from the ...
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 45,555 milliseconds ago. The last packet sent successfully to the server was 319 milliseconds ago. ...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet successfully received from the server was 86 milliseconds ago. The last packet sent successfully to the server was 82 milliseconds ago.at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)...
mysql Communications link failure 一个bug问题,就是在流程引擎框架activity当中,它执行一个流程节点是开始了事务的,使用TransactionTemplate和SpringTransactionInterceptor构造的编程式事务。然后在这个节点当中,遍历处理了4500条数据,每条数据都是要各种rpc和数据库修改的,然后最后的批量保存还花费了12秒。根本原因就是事务...
我想把我的spring和数据库放在Docker中的mysql中。application.properties文件: 代码语言:javascript 复制 server.port=8082spring.datasource.url=jdbc:mysql://database:8083/schoolregistrationsystem spring.datasource.username=user spring.datasource.password=pwd ...
docker run --name atlassian-mysql --restart always -p 3306:3306 -v /opt/mysql_data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7 连接数据库 docker run -it --link atlassian-mysql:mysql --rm mysql:5.7 sh -c ‘exec mysql -h"$MYSQL_PORT_3306_TCP_ADDR" -P"$MYSQL_PORT...