I changed the data type in the database but how do I reflect that to existing *. jrxml files. Is there a .jrxml editor available for the purpose. New reports work fine but existing reports throw error like com.jaspersoft.jasperserver.api.JSException: DataSetIterator.getObject(XXXXXXX.xxxxxxx.xxxxxxxxxxxxxxx) returned a class java.lang.String, expecting a java.sql.Timestamp