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grails 3.0.2 mysql connectivity

user2438 Published in June 25, 2018, 8:01 am

I have installed grails 3.0.2 and xampp server on my system. I want to connect to MySql of Xampp through grails. So made some changes in application.yml file located at grails-app/conf folder now it looks like

pooled: true
jmxExport: true
driverClassName: "com.mysql.jdbc.JDBC4MySQLConnection"//changed driver class
username: root                            //username 
password: 123456                          //password

//now in develoment environments i changed dbCreat->update and

//url-> jdbc:mysql://localhost:3306/myDB //i have not made any changes to test and production environments


        dbCreate: update
        url: jdbc:mysql://localhost:3306/myDB;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
        dbCreate: update
        url: jdbc:h2:mem:testDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
        dbCreate: update
        url: jdbc:h2:prodDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE

I am new to grails so i don't know where to place mysql-connector.jar but i have added path of my mysql-connector.jar in .dependencies file located at myProject/build folder.

When i try to run my app it gives a lot of errors and in end it gives exception as

Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.JDBC4MySQLConnection at java.net.URLClassLoader$1.run(URLClassLoader.java:372) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:360) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:340) at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(Poole dConnection.java:246) ... 83 more

i am not able to understand error. If their is any step my step tutorial for mysql connection with grails 3.0.2 and jdk 1.8 please post link.

Thanks in advance.

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