The reference to 5.6.0 schema should also be included in spring.schemas file:
http\://activemq.apache.org/schema/core/activemq-core-5.6.0.xsd=activemq.xsd
The reference to 5.6.0 schema should also be included in spring.schemas file:
http\://activemq.apache.org/schema/core/activemq-core-5.6.0.xsd=activemq.xsd