PDP-X never manages to register with PAP:

[2019-07-23T17:42:02.015+00:00|ERROR|XacmlPdpStateChangeListener|DMAAP-source-POLICY-PDP-PAP] failed to handle the PDP U
java.lang.IllegalStateException: Task already scheduled or cancelled
at java.util.Timer.sched(Timer.java:401)
at java.util.Timer.scheduleAtFixedRate(Timer.java:328)
at org.onap.policy.pdpx.main.comm.XacmlPdpHearbeatPublisher.start(XacmlPdpHearbeatPublisher.java:106)
at org.onap.policy.pdpx.main.comm.XacmlPdpHearbeatPublisher.restart(XacmlPdpHearbeatPublisher.java:95)
at org.onap.policy.pdpx.main.comm.listeners.XacmlPdpUpdateListener.onTopicEvent(XacmlPdpUpdateListener.java:72)
at org.onap.policy.pdpx.main.comm.listeners.XacmlPdpUpdateListener.onTopicEvent(XacmlPdpUpdateListener.java:35)
at org.onap.policy.common.endpoints.listeners.ScoListener.onTopicEvent(ScoListener.java:79)
at org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher.onTopicEvent(MessageTypeDispatcher.java:96)
at org.onap.policy.common.endpoints.listeners.JsonListener.onTopicEvent(JsonListener.java:63)
at org.onap.policy.common.endpoints.event.comm.bus.internal.TopicBase.broadcast(TopicBase.java:165)
at org.onap.policy.common.endpoints.event.comm.bus.internal.SingleThreadedBusTopicSource.fetchAllMessages(Single
at org.onap.policy.common.endpoints.event.comm.bus.internal.SingleThreadedBusTopicSource.run(SingleThreadedBusTo
at java.lang.Thread.run(Thread.java:748)