Why yesterday I met the error "markerClusterer is not defined" but today this error doesn't happen

[lanh-nguyen-vs]

I'm using https://unpkg.com/@googlemaps/markerclusterer/dist/index.min.js

Why yesterday I meet the error "markerClusterer is not defined" but today this error doesn't happen.

[usefulthink]

I'm sorry, you will have to be a bit more specific for us to help you with this. The only thing I can say is that there have been no changes to the library in the past weeks.

[lanh-nguyen-vs]

@usefulthink I include the lib as the following

<script src="https://maps.googleapis.com/maps/api/js?libraries=places&key=xxx"></script>    
<script src="https://unpkg.com/@googlemaps/markerclusterer/dist/index.min.js"></script>

Call function markerclusterer as the following .

new markerClusterer.MarkerClusterer({
                    markers: land_gmarkers,
                    map,
                    onClusterClick: (cluster, t, e) => {
                        const marks_in_cluster = t.markers;
                        var htmlTemp = "";
                        for (var z = 0; z < marks_in_cluster.length; z++) {
                            htmlTemp += .....";
                        }
                        infoWindow.close();
                        infoWindow.setPosition(cluster.latLng);
                        infoWindow.setContent(htmlTemp);
                        infoWindow.open({ map, anchor: t.marker });

                        google.maps.event.addListener(
                            map,
                            "zoom_changed",
                            function () {
                                infoWindow.close();
                            }
                        );
                    },
                    renderer: land_renderer,
                });

Then yesterday it showed the error markerClusterer is not defined . But today, it works without problem.
Do you know why yesterday the error markerClusterer is not defined was shown?

[usefulthink]

Unfortunately not. But as it looks, I can only think of one case where this error would occur: if an error downloading the markerclusterer library from unpkg occurs (could be due to poor network connectivity or caused by an error with unpkg itself), the markerClusterer global variable wouldn't be defined.

[arugambaytraveller]

I have had the same problem. It seems to be an SSL issue with unpkg.com and Cloudflare. I am getting a 525 error SSL handshake failed. Has worked fine for months. Hopefully they will remedy the problem.

[lanh-nguyen-vs]

@usefulthink

Unfortunately not. But as it looks, I can only think of one case where this error would occur: if an error downloading the markerclusterer library from unpkg occurs (could be due to poor network connectivity or caused by an error with unpkg itself), the markerClusterer global variable wouldn't be defined.

Thank you for your explanation too much.

[lanh-nguyen-vs]

@arugambaytraveller

I have had the same problem. It seems to be an SSL issue with unpkg.com and Cloudflare. I am getting a 525 error SSL handshake failed. Has worked fine for months. Hopefully they will remedy the problem.

Thanks for letting me know. Your information is very helpful.

[lanh-nguyen-vs]

@arugambaytraveller Do you know when and how long did the problem occur?

[Tobbb]

You can try another CDN, for example https://cdn.jsdelivr.net/npm/@googlemaps/markerclusterer/dist/index.min.js

[arugambaytraveller]

https://cdn.jsdelivr.net/npm/@googlemaps/markerclusterer/dist/index.min.js

Many thanks, much more stable.

[arugambaytraveller]

@arugambaytraveller Do you know when and how long did the problem occur?

It has been happening regularly for 2 or 3 days now.