CME and NPE in Artemis integration seen in test run

ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 64) MSC000001: Failed to start service jboss.messaging-activemq.default.jms.manager: org.jboss.msc.service.StartException in service jboss.messaging-activemq.default.jms.manager: WFLYMSGAMQ0033: Failed to start service
    at org.wildfly.extension.messaging.activemq.jms.JMSService.doStart(JMSService.java:203)
    at org.wildfly.extension.messaging.activemq.jms.JMSService.access$000(JMSService.java:63)
    at org.wildfly.extension.messaging.activemq.jms.JMSService$1.run(JMSService.java:97)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: java.util.ConcurrentModificationException
    at java.util.Hashtable$Enumerator.next(Hashtable.java:1367)
    at org.apache.activemq.artemis.core.config.impl.ConfigurationImpl.parseSystemProperties(ConfigurationImpl.java:308)
    at org.apache.activemq.artemis.core.config.impl.ConfigurationImpl.parseSystemProperties(ConfigurationImpl.java:299)
    at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.internalStart(ActiveMQServerImpl.java:488)
    at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.start(ActiveMQServerImpl.java:466)
    at org.apache.activemq.artemis.jms.server.impl.JMSServerManagerImpl.start(JMSServerManagerImpl.java:412)
    at org.wildfly.extension.messaging.activemq.jms.JMSService.doStart(JMSService.java:199)
    ... 8 more