2019-02-26 10:35:01,222 | INFO  | Refreshing org.apache.activemq.xbean.XBeanBrokerFactory$1@d3f0053: startup date [Tue Feb 26 10:35:01 UTC 2019]; root of context hierarchy | org.apache.activemq.xbean.XBeanBrokerFactory$1 | WrapperSimpleAppMain

2019-02-26 10:35:02,600 | ERROR | Failed to load: class path resource [activemq.xml], reason: Line 54 in XML document from class path resource [activemq.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 54; columnNumber: 48; cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'pendingMessageLimitStrategy'. | org.apache.activemq.xbean.XBeanBrokerFactory | WrapperSimpleAppMain

Solution:

<destinationPolicy>

  <policyMap>

  <policyEntries>

     <policyEntry topic="> /" >

            <!-- The constantPendingMessageLimitStrategy is used to prevent

            slow topic consumers to block producers and affect other consumers

             by limiting the number of messages that are retained

             For more information, see:

            http://activemq.apache.org/slow-consumer-handling.html

            -->

            <pendingMessageLimitStrategy>

            <constantPendingMessageLimitStrategy limit="1000"/>

            </pendingMessageLimitStrategy>

            </policyEntry>

      </policyEntries>

    </policyMap>

</destinationPolicy>

 3.Remove the ‘/’ & Restart tomcat, Active MQ & Postgres services.