Where should the JDBC driver JAR files reside on a Tomcat deployment with a datasource?

Question

I have java web application using Spring, Hibernate, Tomcat7 & MySql. I use Datasource for database operations. I am not very clear about what is the standard location t

Answer 1

When it comes to location of jars to be decided, the thumb rule is that:

1. Use a jar in the server lib location.
2. If the jar is not available, include the same in the application's lib folder.
3. To find a suitable Jars, system looks in the following repositories, in the order:

Bootstrap classes of your JVM

System class loader classes (described above)

/WEB-INF/classes of your web application /WEB-INF/lib/*.jar of

your web application $CATALINA_HOME/common/classes

$CATALINA_HOME/common/endorsed/*.jar

$CATALINA_HOME/common/i18n/*.jar

$CATALINA_HOME/common/lib/*.jar

$CATALINA_BASE/shared/classes

$CATALINA_BASE/shared/lib/*.jar