Gene1994 commented on issue #1812: [QUESTION] init datasource error URL: https://github.com/apache/incubator-dolphinscheduler/issues/1812#issuecomment-575043922 > check if use navicat(sql client) connect ds metadata database success. >  >  > check create sql: > `CREATE DATABASE dscheduler DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci; GRANT ALL PRIVILEGES ON dscheduler.* TO 'dscheduler'@'%' IDENTIFIED BY 'xxxx'; GRANT ALL PRIVILEGES ON dscheduler.* TO 'dscheduler'@'localhost' IDENTIFIED BY 'xxxx'; FLUSH PRIVILEGES;` > then exec: sh create-dolphinscheduler.sh > > tips: > check root user can access this database **I had another question when I init data source, is that because I start mysql through docker?** `ERROR com.alibaba.druid.pool.DruidDataSource - {dataSource-1} init error java.sql.SQLException: com.mysql.jdbc.Driver at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:620) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:874) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1300) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1296) at org.apache.dolphinscheduler.dao.upgrade.UpgradeDao.getCurrentDbType(UpgradeDao.java:80) at org.apache.dolphinscheduler.dao.upgrade.UpgradeDao.<clinit>(UpgradeDao.java:45) at org.apache.dolphinscheduler.dao.upgrade.DolphinSchedulerManager.initUpgradeDao(DolphinSchedulerManager.java:37) at org.apache.dolphinscheduler.dao.upgrade.DolphinSchedulerManager.<init>(DolphinSchedulerManager.java:57) at org.apache.dolphinscheduler.dao.upgrade.shell.CreateDolphinScheduler.main(CreateDolphinScheduler.java:36) Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:618) ... 8 common frames omitted 16:35:38.464 [main] ERROR org.apache.dolphinscheduler.dao.upgrade.UpgradeDao - com.mysql.jdbc.Driver java.sql.SQLException: com.mysql.jdbc.Driver at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:620) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:874) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1300) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1296) at org.apache.dolphinscheduler.dao.upgrade.UpgradeDao.getCurrentDbType(UpgradeDao.java:80) at org.apache.dolphinscheduler.dao.upgrade.UpgradeDao.<clinit>(UpgradeDao.java:45) at org.apache.dolphinscheduler.dao.upgrade.DolphinSchedulerManager.initUpgradeDao(DolphinSchedulerManager.java:37) at org.apache.dolphinscheduler.dao.upgrade.DolphinSchedulerManager.<init>(DolphinSchedulerManager.java:57) at org.apache.dolphinscheduler.dao.upgrade.shell.CreateDolphinScheduler.main(CreateDolphinScheduler.java:36) Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:618) ... 8 common frames omitted `
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