canal部署启动的时候报错com.alibaba.druid.pool.DruidDataSource - testWhileIdle is true, validationQuery not set

windows server2008下如何更改MySQL数据库的目录的帖子已经很多了,这里简单介绍一个步骤,如果不成功请先查看其它帖子. 更改默认的mysql数据库目录 将 C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.1\data 改到 D:\MysqlData 1. 建立文件夹 D:\MysqlData 2. 停止 mysql 服务,将 "C:\Documents and Settings\

每天开机之后,启动MYSQL Notifier就报错,第一次出现重启电脑后解决,后面的几天老是出现,重启电脑好几次都没有解决,感觉很烦人,一定要搞定这个问题找到原因,于是有了下文....... 启动MYSQL 57报错信息"The service MYSQL57 failed the most recent status change request with the message time out has expired and the operation has not been comp

启动Tomcat服务器报错: Several ports (8005, 8080, 8009) required by Tomcat v5.5 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to sto

启动Tomcat服务器报错:Several ports (8005, 8080, 8009) required by Tomcat v5.5 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to stop

问题: 使用Apppium1.6启动ios9.3报错Original error: Sdk '9.3.5' was not in list of simctl sdks 我的启动配置如下 { "platformName": "ios", "platformVersion": "9.3.5", "bundleId": "com.wuba.zhuanzhuan", "app&quo

Oracle启动监听报错:The listener supports no services解决 及ora-12514 未注册上服务问题. Oracle11g服务器重启系统之后,出现了几个莫名的报错,下面是其中一个,已解决. $ lsnrctl start 报错提示: The listener supports no servicesThe command completed successfully 这样启动后远程连接会报错:oracle ORA-12514:TNS:listener does

Weblogic AdminServer 启动fail,报错为"unable to get file lock, will retry" 参考原文: Weblogic AdminServer fails with "unable to get file lock, will retry" error message (Doc ID 1613945.1) 适用于: Oracle WebLogic Server - Version 8.1 and later Infor

启动namenode,通过50070端口查看,发现livenode只有一个--namenode,查看datanode日志,发现有”Incompatible clusterIDs“错误,提示很明显,namenode和datanode的集群id不一致 解决办法:找到core-site.xml配置文件,进入”dfs.datanode.data.dir“配置项下的目录,在current目录下有一VERSION文件,比较namenode和datanode里这个文件中的clusterID,发现不一致,因此只

启动安卓模拟器报错 emulator: ERROR: x86_64 emulation currently requires hardware acceleration!  CPU acceleration status:HAXM must be updated(version 1.1.1<6.0.1) 解决办法: 在android sdk 安装目录下找到 \Android\sdk\extras\intel\Hardware_Accelerated_Execution_Manager 双击int