it's a bug in the profile.xml configuration,jaikiran pai has reported a bug (https://jira.jboss.org/browse/JBAS-6981) in the jira. you can fix the bug by providing the parameter type for the constructor in the MC bean configuration (note the use of for the constructor parameter):
<bean name="AttachmentStore" class="org.jboss.system.server.profileservice.repository.AbstractAttachmentStore">
<constructor><parameter><inject bean="BootstrapProfileFactory" property="attachmentStoreRoot" /></parameter></constructor>