scheduled task mem leak by chrome ctx reused

Author: xiahongze

main.go

@@ -50,7 +50,7 @@ func main() {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 	if err := e.Shutdown(ctx); err != nil {
-		e.Logger.Printf("shutting down with error")
+		e.Logger.Printf("ERROR: Main: shutting down with error")
 		e.Logger.Fatal(err)
 	}
 }

trackers/chrome_tracker.go

@@ -35,7 +35,9 @@ func init() {
 // and returns content/error message, ok
 func ChromeTracker(url, xpath *string) (string, bool) {
 	ctx, cancel := context.WithTimeout(context.Background(), chromeTimeout)
+	ctx1, cancel1 := context.WithTimeout(context.Background(), chromeTimeout)
 	defer cancel()
+	defer cancel1()
 	opts := []runner.CommandLineOption{runner.Flag("headless", true)}
 	if chromePath != "" {
 		opts = append(opts, runner.Path(chromePath))
@@ -56,7 +58,7 @@ func ChromeTracker(url, xpath *string) (string, bool) {
 	}
 
 	// run the tasks
-	if err := c.Run(ctx, tasks); err != nil {
+	if err := c.Run(ctx1, tasks); err != nil {
 		log.Println(err)
 		return err.Error(), false
 	}