A JPA persistence.xml demonstrating usage of L2 caching config parameter

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
  <persistence-unit name="jap-punitxml-testPU" transaction-type="JTA">
    <exclude-unlisted-classes>false</exclude-unlisted-classes>
    ...............
    <shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
    <properties>
      <property name="javax.persistence.query.timeout" value="3000"/>
      <property name="javax.persistence.lock.timeout" value="2000"/>
    </properties>
    ...............
  </persistence-unit>
</persistence>