I am using tomcat connection pool, jpa, hibernate. The datasource i created in context.xml of tomcat works fine if I try to get it using :

source = (DataSource) ((Context) c.lookup("java:comp/env")).lookup("jdbc/kids");

but if i specify this jndi datasource in persistence.xml 

<persistence-unit name="kids-tomcat" transaction-type="JTA">
           <jta-data-source>jdbc/kids</jta-data-source>
       </persistence-unit>

I am getting following exception: org.hibernate.service.jndi.JndiException: Unable to lookup JNDI name [jdbc/kids]

Any idea why it could happen !

tomcat jpa jndi persistence.xml
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