EAP 6 throwing NullPointerException during start up

Issue

During startup EAP 6 is throwing following error :

10:56:55,048 ERROR [org.jboss.as.host.controller] (Controller Boot Thread) JBAS010932: Caught exception during boot: org.jboss.as.controller.persistence.ConfigurationPersistenceException: JBAS014676: Failed to parse configuration
    at org.jboss.as.controller.persistence.XmlConfigurationPersister.load(XmlConfigurationPersister.java:141) [jboss-as-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.HostControllerConfigurationPersister.load(HostControllerConfigurationPersister.java:185) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.DomainModelControllerService.boot(DomainModelControllerService.java:419) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:254) [jboss-as-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_55]
Caused by: java.lang.NullPointerException
    at org.jboss.as.controller.parsing.ParseUtils.parsePossibleExpression(ParseUtils.java:450) [jboss-as-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.parseRemoteDomainControllerAttributes_1_3(HostXml.java:1172) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.parseRemoteDomainController1_1(HostXml.java:990) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.parseDomainController(HostXml.java:919) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.readHostElement_1_1(HostXml.java:446) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.readElement(HostXml.java:147) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.as.host.controller.parsing.HostXml.readElement(HostXml.java:118) [jboss-as-host-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]
    at org.jboss.staxmapper.XMLMapperImpl.processNested(XMLMapperImpl.java:110) [staxmapper-1.1.0.Final-redhat-2.jar:1.1.0.Final-redhat-2]
    at org.jboss.staxmapper.XMLMapperImpl.parseDocument(XMLMapperImpl.java:69) [staxmapper-1.1.0.Final-redhat-2.jar:1.1.0.Final-redhat-2]
    at org.jboss.as.controller.persistence.XmlConfigurationPersister.load(XmlConfigurationPersister.java:133) [jboss-as-controller-7.4.3.Final-redhat-2.jar:7.4.3.Final-redhat-2]