nl_tokens: Represents an error when a query cannot be performed because no host is available or could be reached by the driver .
pl_tokens: function NoHostAvailableError ( innerErrors , message ) { DriverError . call ( this , message ) ; this . innerErrors = innerErrors ; this . info = 'Represents an error when a query cannot be performed because no host is available or could be reached by the driver.' ; if ( ! message ) { this . message = 'All host(s) tried for query failed.' ; if ( innerErrors ) { const hostList = Object . keys ( innerErrors ) ; if ( hostList . length > 0 ) { const host = hostList [ 0 ] ; this . message += util . <mask> ( ' First host tried, %s: %s. See innerErrors.' , host , innerErrors [ host ] ) ; } } } }