VDB preview in Teiid Designer errors for a Flat file source if the Server is stopped and restarted

Issue

• After stopping and starting the externally managed server from JBDS, the Preview errors and a :reload has to be run on the Server
• Below error in the JBDS /log

!ENTRY org.teiid.designer.dqp.ui 4 0 2016-02-05 13:37:38.436
!MESSAGE JBAS010473: Failed to load module for RA [org.jboss.teiid.resource-adapter.file]
!STACK 0
org.teiid.adminapi.AdminProcessingException: JBAS010473: Failed to load module for RA [org.jboss.teiid.resource-adapter.file]
    at org.teiid.runtime.client.admin.v8.Admin8Factory$ResultCallback.onFailure(Admin8Factory.java:202)
    at org.teiid.runtime.client.admin.v8.Admin8Factory$AdminImpl.cliCall(Admin8Factory.java:1591)
    at org.teiid.runtime.client.admin.v8.Admin8Factory$AdminImpl.addModuleResourceAdapter(Admin8Factory.java:397)
    at org.teiid.runtime.client.admin.v8.Admin8Factory$AdminImpl.createConnectionFactory(Admin8Factory.java:303)
    at org.teiid.runtime.client.admin.v8.Admin8Factory$AdminImpl.createDataSource(Admin8Factory.java:497)
    at org.teiid.runtime.client.admin.ExecutionAdmin.getOrCreateDataSource(ExecutionAdmin.java:373)
    at org.teiid.designer.runtime.TeiidServer.getOrCreateDataSource(TeiidServer.java:614)
    at org.teiid.designer.runtime.TeiidDataSourceFactory.createDataSource(TeiidDataSourceFactory.java:177)
    at org.teiid.designer.runtime.preview.PreviewManager.ensureConnectionInfoIsValid(PreviewManager.java:527)
    at org.teiid.designer.runtime.preview.PreviewManager.previewSetup(PreviewManager.java:1365)
    at org.teiid.designer.runtime.ui.preview.PreviewDataWorker$1.run(PreviewDataWorker.java:233)
    at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)