Re^2: Why won't my Dancer2 app render any output???

Thanks. I took out both debugs. Now I have:

get '/login' => sub {
    # Display a login page; the original URL they requested is availab
+le as
    # param('requested_path'), so could be put in a hidden field in th
+e form
    # debug "displaying login page";
    template 'login', { path => param('requested_path') };
};
[download]

and still no output. I tried the "foo" and didn't see that either. I am getting the error:

[sandbox:22720] core @2025-04-06 16:28:17> Failed to serialize content
+: hash- or arrayref expected (not a simple scalar, use allow_nonref t
+o allow this) at /usr/local/share/perl/5.34.0/Dancer2/Serializer/JSON
+.pm line 40. in (eval 333) l. 1
[download]

But I can't tell what's causing it. When I put the debug before the "template" call, the error vanished. Curious. Also, I have seen examples with multiple engines in the config. Can you point me to an example that says only one is allowed? I had 2 in the old working version. Updates: I found that beginning with 1.3091 it is again permitted to have statement after template. I did a debug template ... and the proper "output" is in the log. Now I need to figure out where it's going...

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Re^3: Why won't my Dancer2 app render any output??? by 1nickt (Canon) on Apr 06, 2025 at 23:27 UTC
I was able to produce that JSON error by adding `set serializer => 'JSON';` to the app package, and then requesting the URI with the Accept header set to 'application/json'. Could that be the cause of your error? The way forward always starts with a minimal test.	[reply] [d/l]
Re^4: Why won't my Dancer2 app render any output??? by traveler (Parson) on Apr 07, 2025 at 02:23 UTC
YES! Thank you! Thank you! Thank you! The site displays and functions correctly, now. I never would have found it otherwise!	[reply]
Re^5: Why won't my Dancer2 app render any output??? by 1nickt (Canon) on Apr 07, 2025 at 10:19 UTC
Great. Glad I could help. Happy Dancing. The way forward always starts with a minimal test.	[reply]
Re^3: Why won't my Dancer2 app render any output??? by 1nickt (Canon) on Apr 06, 2025 at 23:20 UTC
With regard to the engines question, from the config file created in the generated app: # NOTE: All the engine configurations need to be under a single "engines:" # key. If you uncomment engine configurations below, make sure to delete # all "engines:" lines except the first. Otherwise, only the last # "engines:" block will take effect. The way forward always starts with a minimal test.	[reply]
Re^4: Why won't my Dancer2 app render any output??? by traveler (Parson) on Apr 06, 2025 at 23:25 UTC
Thanks. Mine didn't have that comment.	[reply]