I have not specied cache in cfg file but application is throwing error java.lang.NoClassDefFoundError: net/sf/ehcache/CacheException,for your understanding i am adding my cfg code and i have added jar files:
01.antlr-2.7.6
02.commons-collections-3.1
03.dom4j-1.6.1
04.hibernate3
05.mysqlconnector
06.javassist-3.4.GA
07.jta-1.1
08.slf4j-api-1.5.6
09.slf4j-simple-1.5.6

cfg code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">


<hibernate-configuration>

<session-factory>

<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>

<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/jdbctutorial</property>

<property name="hibernate.connection.username">root</property>

<property name="connection.password">root</property>

<property name="connection.pool_size">1</property>

<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

<property name="show_sql">true</property>

<property name="hbm2ddl.auto">create</property>

<mapping resource="com/vaannila/course/Course.hbm.xml"/>

</session-factory>
</hibernate-configuration>