JcrResultSet doesn't support getTimeStamp

The importing of metadata into Designer from a ModeShape repository creates columns with a data type of timestamp (i.e., nt:folder and nt:file). And when its queried thru Teiid, it ask for a Timestamp value, but instead causes exception:

Caused by: java.sql.SQLFeatureNotSupportedException
at org.modeshape.jdbc.JcrResultSet.getTimestamp(JcrResultSet.java:1091)
at org.jboss.resource.adapter.jdbc.WrappedResultSet.getTimestamp(WrappedResultSet.java:966)
at org.teiid.translator.jdbc.JDBCExecutionFactory.retrieveValue(JDBCExecutionFactory.java:893)
at org.teiid.translator.jdbc.JDBCQueryExecution.next(JDBCQueryExecution.java:101)
... 13 more