Fix error handling

processing.go

@@ -28,7 +28,7 @@ type ScanTarget struct {
 type ScanResponse struct {
 	Result         interface{} `json:"result,omitempty"`
 	Time           string      `json:"time,omitempty"`
-	Error          *error      `json:"error,omitempty"`
+	Error          *string     `json:"error,omitempty"`
 	ErrorComponent string      `json:"error_component,omitempty"`
 }
 

scanner.go

@@ -30,13 +30,14 @@ func PrintScanners() {
 func RunScanner(s Scanner, mon *Monitor, target ScanTarget) (string, ScanResponse) {
 	t := time.Now()
 	res, e := s.Scan(target)
-	var err *error //nil pointers are null in golang, which is not nil and not empty
+	var err *string
 	if e == nil {
 		mon.statusesChan <- moduleStatus{name: s.GetName(), st: statusSuccess}
 		err = nil
 	} else {
 		mon.statusesChan <- moduleStatus{name: s.GetName(), st: statusFailure}
-		err = &e
+		errString := e.Error()
+		err = &errString
 	}
 	resp := ScanResponse{Result: res, Error: err, Time: t.Format(time.RFC3339)}
 	return s.GetName(), resp