Problems with C3P0 properties

I noticed the following information in the console:

WARN: HHH000022: c3p0 properties were encountered, but the c3p0 provider class was not found on the classpath; these properties are going to be ignored.

hibernate.cfg.xml (Java Resources / src / dao)

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<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://IP:3306/cq?autoReconnect=true&amp;characterEncoding=utf8&amp;useUnicode=true&amp;sessionVariables=storage_engine%3DInnoDB&amp;interactiveClient=true&amp;useSSL=false</property>
<property name="connection.username">user</property>
<property name="connection.password">pass</property>

<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>

<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>

<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>

<!-- Disable the second-level cache  -->
<property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>

<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>

<!-- Drop and re-create the database schema on startup -->
<property name="hbm2ddl.auto">update</property>


<!--
        hibernate c3p0 settings
    -->

<property name="hibernate.c3p0.acquire_increment">3</property>
<property name="hibernate.c3p0.idle_test_period">10</property>
<property name="hibernate.c3p0.min_size">5</property>
<property name="hibernate.c3p0.max_size">75</property>
<property name="hibernate.c3p0.max_statements">10</property>
<property name="hibernate.c3p0.timeout">50</property>
<property name="hibernate.c3p0.preferredTestQuery">select 1</property>
<property name="hibernate.c3p0.testConnectionOnCheckout">true</property>

In the project's lib folder, contains the following files for c3p0:

c3p0-0.9.5.2.jar 
c3p0-oracle-thin-extras-0.9.5.2.jar
mchange-commons-java-0.2.11.jar