Gene1994 commented on issue #1812: [QUESTION] init datasource error
URL: 
https://github.com/apache/incubator-dolphinscheduler/issues/1812#issuecomment-575048436
 
 
   > > check if use navicat(sql client) connect ds metadata database success.
   > > 
![image](https://user-images.githubusercontent.com/51317527/72309371-c6c6fa00-36b9-11ea-9ad7-ca2c2f732f23.png)
   > > 
![image](https://user-images.githubusercontent.com/51317527/72309400-d5151600-36b9-11ea-9bd7-9dc030a8c5c9.png)
   > > 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 `
   
   same question as  #1407 

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