Hi,
we encounter the following error when we start the Web UI. it seems that 
mysql-driver is missing. Have we made a misconfigurationĀ  ? Is there a detailed 
configuration ? 


Exception in thread "main" java.lang.IllegalArgumentException: Failed to find 
metadata store by url: 
kylin_metadata@jdbc,url=jdbc:mysql://localhost:3306/kylin,username=XXXX,password=XXXXXX,maxActive=10,maxIdle=10
 at 
org.apache.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:101)
 at 
org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:113)
 at 
org.apache.kylin.common.persistence.ResourceTool.copyParallel(ResourceTool.java:153)
 at org.apache.kylin.common.persistence.ResourceTool.main(ResourceTool.java:102)
Caused by: java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 at 
org.apache.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:94)
 ... 3 more
Caused by: java.lang.IllegalArgumentException: 
org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 
'com.mysql.jdbc.Driver'
 at 
org.apache.kylin.common.persistence.JDBCConnectionManager.<init>(JDBCConnectionManager.java:68)
 at 
org.apache.kylin.common.persistence.JDBCConnectionManager.getConnectionManager(JDBCConnectionManager.java:48)

Regards,Hubert

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