SEVERE: Exception sending context initialized event to listener instance of class com.app.HibernateSessionFactoryListener
java.lang.AbstractMethodError: com.mysql.jdbc.Connection.isValid(I)Z
    at org.apache.tomcat.dbcp.dbcp2.DelegatingConnection.isValid(DelegatingConnection.java:924)
    at org.apache.tomcat.dbcp.dbcp2.PoolableConnection.validate(PoolableConnection.java:282)
    at org.apache.tomcat.dbcp.dbcp2.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:359)
    at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2316)
    at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2299)
    at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2043)
    at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1543)
    at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:180)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:68)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
    at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:257)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:231)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:210)
    at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:51)
    at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:240)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:210)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.handleTypes(MetadataBuildingProcess.java:352)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:111)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
    at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:418)
    at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:87)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:691)
    at com.app.HibernateSessionFactoryListener.contextInitialized(HibernateSessionFactoryListener.java:37)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4717)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5179)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

public void contextInitialized(ServletContextEvent servletContextEvent) {
        Configuration configuration = new Configuration();
        configuration.configure("hibernate.cfg.xml");
        logger.info("Hibernate Configuration created successfully");

        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
        logger.info("ServiceRegistry created successfully");
        SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
        logger.info("SessionFactory created successfully");

        servletContextEvent.getServletContext().setAttribute("SessionFactory", sessionFactory);
        logger.info("Hibernate SessionFactory Configured successfully");
    }

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

        <property name="show_sql">true</property>
        <property name="format_sql">true</property>
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="current_session_context_class">thread</property>
        <property name="hbm2ddl.auto">update</property>

        <property name="hibernate.max_fetch_depth">3</property>

        <property name="connection.datasource">java:comp/env/jdbc/foo1</property>

        <!-- Mapping files -->

        <!--mapping class="com.playground.myapp.model.User"/-->

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

<?xml version="1.0" encoding="UTF-8"?>

<Context antiJARLocking="true" path="/">
    <Resource
            name="jdbc/foo1"
            auth="Container"
            type="javax.sql.DataSource"
            username="foo1"
            password="12345"
            driverClassName="com.mysql.jdbc.Driver"
            url="jdbc:mysql://localhost:3306/foo1"
            maxActive="8"
            maxIdle="4"/>

</Context>

<GlobalNamingResources>
    <!-- Editable user database that can also be used by
         UserDatabaseRealm to authenticate users
    -->
    <!-- Resource auth="Container" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase" pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase"/-->
   <Resource
            name="jdbc/foo1"
            auth="Container"
            type="javax.sql.DataSource"
            username="foo1"
            password="12345"
            driverClassName="com.mysql.jdbc.Driver"
            url="jdbc:mysql://localhost:3306/foo1"
            maxActive="8"
            maxIdle="4"/>
  </GlobalNamingResources>