MySQL 5.7 setup workaround needed to define Adapter

 <bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="jdbc-ds">
    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    <property name="url" value="jdbc:mysql://<host>:3306/<schema>?user=<user>&amp;password=<pass>"/>
    <property name="maxActive" value="200"/>
    <property name="poolPreparedStatements" value="true"/>
  </bean>

<!--      <bean id="mysql" class="org.apache.activemq.store.jdbc.adapter.MySqlJDBCAdapter" /> -->

  <broker xmlns="http://activemq.apache.org/schema/core" brokerName="${broker-name}" dataDirectory="${data}" restartAllowed="false" start="false">
    <persistenceAdapter>
      <jdbcPersistenceAdapter dataDirectory="${data}" dataSource="#jdbc-ds"/> <!-- adapter="#mysql"/> -->
    </persistenceAdapter>
...