HornetQ's XmlDataImporter utility does not work with broker security enabled.

Issue

The importer command throws the following exception:

bin]$ java org.hornetq.jms.persistence.impl.journal.XmlDataImporter exportFromEAP63.xml localhost 5445 false false
HornetQException[errorType=SECURITY_EXCEPTION message=HQ119031: Unable to validate user: null]
    at org.hornetq.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:394)
    at org.hornetq.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:878)
    at org.hornetq.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:787)
    at org.hornetq.core.client.impl.ClientSessionFactoryImpl.createSession(ClientSessionFactoryImpl.java:392)
    at org.hornetq.jms.persistence.impl.journal.XmlDataImporter.<init>(XmlDataImporter.java:178)
    at org.hornetq.jms.persistence.impl.journal.XmlDataImporter.<init>(XmlDataImporter.java:186)
    at org.hornetq.jms.persistence.impl.journal.XmlDataImporter.main(XmlDataImporter.java:201)