We are getting a really odd result when doing certain site searches.

The search function loads a completely blank page when we search for the word Anaerobic; Looking at the source some of the template code is rendered but not all of it.

  • Anaerobic – blank page
  • Anaerobic digestion – blank page
  • Anaerobic Digestion Development Centre – returns results fine

Failed Search Terms



Working Search Terms


It seems to work fine locally - does anyone have any idea what could be causing the issue?

Thanks in advance,


2 Answers 2


Are you doing any caching on this site? If you haven't tried already, clear all the caches and run the query again in Utilities > Clear Caches

I did some test searches, and it appeared to be the exact search term that's failing rather than content that's returned by that search term, which makes me wonder about a corrupt cache.

  • I cleared the cache and this didn't have any effect.
    – Dan Lee
    Sep 16, 2019 at 8:32

Did you check the craft logs under storage/logs/ ? There are quite a few, try doing the following to find out in which logs new stuff is being written when trying your search:


  1. Check file-dates for all of your storage/logs files
# go to storage/logs
cd storage/logs
# view all infos of all the files here
ls -al *
# example output
# -rw-r--r-- 1 your-user domain-user  8452020 Sep 11 11:34 web.log

  1. Now do a Request which reults in a faulty response. and then

  2. re-check the dates on last-changed for all your logs, once you find out in which it's being written

  3. run tail -f path/to/file.log and then

  4. watch the output of the console once you do another request.


  1. Simply take a look at the last-changed date on all files through your Explorer
  2. Do a faulty-response Request
  3. Check the logs which were edited most recently and either
  4. a: delete/move said log for it to generate a new one on the next request
    b: Simply take a look at the bottom lines and try to see at which point the output of your faulty-response request beings and take a look there.

If you're able to resolve it through that output, that's great! If not or you need any other type of help, feel free to respond here and/or open a new question.

  • Thanks for the details response - there doesn't seem to be anything showing in the logs.
    – Dan Lee
    Sep 16, 2019 at 8:41
  • Hmm well there's one other thing you can try, you could forcefully add *searchterm* asterisks around the search term so as to make craft search quite a bit more leniently (though likely also a decent bit less efficiently). I tested it out myself and I got lots of results even for the 2nd failed search term you mention in your question. To reiterate basically: https://www.uk-cpi.com/search/results?q=Anaerobic to https://www.uk-cpi.com/search/results?q=*Anaerobic* Search Docs: docs.craftcms.com/v3/searching.html#supported-syntaxes
    – Campiotti
    Sep 20, 2019 at 9:36

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