Troubleshooting "ReferenceError: Bokeh is not defined" for BokehJS Standalone

Hi All,

I’m trying to do a basic BokehJS plot through the Django web framework. I’m following a tutorial, but no graphs are displaying when I look at my website on localhost. When I look at the Browser Console I keep getting “ReferenceError: Bokeh is not defined”. I’m using Bokeh 1.3.4

Here’s my HTML:

<!DOCTYPE html>
<html lang="en">

    <script scr=""></script>
    <script scr=""></script>
    <script scr=""></script>
    <script scr=""></script>
    {{script | safe}}
    <title>Starter Graph</title>

    <h1>Starter Graph</h1>
    {{div | safe}}


My understanding is that the CSS stylesheets recommended by some tutorials are no longer needed.

And here’s my view file header:

> from django.shortcuts import render
> from bokeh.plotting import figure, output_file, show
> from bokeh.embed import components
> from bokeh.models import HoverTool
> import bokeh

And the relevant view itself:

> def projectdetail2(request):
>     plot = figure()
>[1, 10, 35, 27], [0, 0, 0, 0], size=20, color="blue")
>     script, div = components(plot)
>     return render(request, "projects/detail2.html", {"script": script, "div": div})

When I visit projectdetail2.html I am expecting to see a header that says “Starter Graph” and a basic graph. I can only see the header.

I have triple checked my bokeh js links in the html which come directly from running CDN.js_files in the shell after importing bokeh. I’ve checked the links manually and they load the Bokeh file just fine. I’m new at this so I don’t know what else to check, but I did check Browser Console I keep getting “ReferenceError: Bokeh is not defined”. I don’t know what else I could be missing, but apparently it’s something fundamental.

Any help would be appreciated.

@turbografx16 Your browser should also have a “Network Tab” that shows the status of every resource a page attempts to load, can you see if there are any errors reported there? All the links above work for me manually so maybe there is some issue locally that is preventing the scripts from loading?

Also, FYI, although the domain will work indefinitely in to the future, there is a new location that should be preferred.

Interesting. I’m looking at the Network Tab and I can’t see any attempt to load the js:

Ok, I found the issue. In my original script I wrote scr= instead of src=

1 Like

Been there! :smiley: