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Error when JS compression is on

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Hi,

I've just discovered the problem with JS compression function. When I turn it on in settings of template the slideshow doesn't work and I get following error:
Refused to execute script from 'lekkie-podroze.pl/templates/venture/js/template-9.php' because its MIME type ('text/css') is not executable, and strict MIME type checking is enabled.

You can see the effect here: lekkie-podroze.pl

If I understand correctly, the problem is with js in *.php file which is created by template's compressor.

When compressor is off and all scripts are loaded separately in .js files - everything works fine.
  • Lukasz's Avatar
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The php files should render fine - its a way of gzipping the contents of the file. But if you go tot he admin in the settings panel and then click compress scripts again does that solve the issue?

Seems like an odd error since the js compressed file has the wrong mime type. Is this the latest version of the theme?

Thanks
  • Anthony Olsen's Avatar
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Thanks for quick reply.
I have the latest version of Venture (1.3.1). Joomla and all extensions are also up to date.

When I disable is theme settings "GZIP Javascript output" and press "Compress scripts" the page works fine. In such a case the file /templates/venture/js/template-9.js is loaded instead of template-9.php

When Gzip js output is enabled compressing again and again doesn't change anything.

I guess there is a problem with interpratetion of php file as js MIME type. Any idea how to fix it?
  • Lukasz's Avatar
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Ah actually - I think this is because of your server setting. The clue is in strict mime type is enabled. I guess there is a protocol on the server thats preventing us from using php to render js files.

Thanks
  • Anthony Olsen's Avatar
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On the same server I have another webpage on Joomla, which uses jchoptimize to merge and gzip js files: www.rosjapl.info/
As you can see the output file is also php: www.rosjapl.info/media/plg_jchoptimize/assets2/jscss.php?f=96a5e2aebee6489676622b692a8f9a19&type=js&gz=gz&d=30&i=0

The only difference is that the script declaration is type="application/javascript" instead of "text/javascript" in our case.
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Can you try the attached?

There was actually a typo in there anyway calling it css in the js compressor so that didnt help. Ive just changed it to application/js.

Thanks
Attachments:
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Tried the new file, compiled less and compressed script and I don't see any difference. There is still text/javascript....

PS. The funny thing is that in Firefox it started to work fine. But In Chrome and IE there is the same error
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I get the correct mime type but the same error:

Refused to execute script from 'lekkie-podroze.pl/templates/venture/js/template-9.php' because its MIME type ('application/js') is not executable, and strict MIME type checking is enabled.

Is there something unique about this site eg htaccess or installed different components.
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I still cannot get application/js.
I checked with original joomla htaccess - nothing has changed.
I don't have many extensions installed - sitemap, rss, kunena, akeba backup. Nothing what I would suspect to interfere with scripts.

I don't understand why the site works fine on Firefox...
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Yes its odd. Where are you seeing the old declaration? I can see it in the inspector. Via that error.
Refused to execute script from 'lekkie-podroze.pl/templates/venture/js/template-9.php' because its MIME type ('application/js') is not executable, and strict MIME type checking is enabled.

Thanks
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I can see it when looking at source of the webpage, in Chrome: view-source:http://lekkie-podroze.pl/

There is still:
script src="/templates/venture/js/template-9.js" type="text/javascript"

or template-9.php if I switch to problematic gzip compression.

On the other webpage on the same server with the same config there is:
script type="application/javascript" src="file.php"
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Last Edit: 6 years 3 months ago by Lukasz.
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Sorry I realised I didn't reply to this thread

Are you still having an issue?

Cheers
Paul
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Hi Paul,
Unfortunately the problem still exists. I am forced do disable gzip js output.
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Is it possible for you to create a ticket and add ftp access so I can look at this for you?
Thanks
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Sure. Just submitted ticket. Thanks
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Thanks

Cheers
Paul
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