Error Undefined array key "url" in Drupal\Core\Asset\JsCollectionOptimizerLazy->optimizeGroup() after clearing cache.
I used this shell script to find problematic files:
for dir in $(find .); do
[[ ! -d $dir ]] && continue
export file=$dir/$(basename $dir).libraries.yml;
[[ ! -f $file ]] && continue
for key in $(cat $file | yq '. | keys'); do
if [[ $key == "-" ]]; then continue; fi;
if [[ $(cat $file | yq .'"'$key'".license') == "null" ]]; then continue; fi;
if [[ $(cat $file | yq .'"'$key'".license.url') != "null" ]]; then continue; fi;
echo ---------$file-----------;
echo --key: $key;
done;
done
Add the 'url' key to all .libraries.yml files - see attached patch.
See also issue #3403933 🐛 Undefined array key "url" in Drupal\Core\Asset\JsCollectionOptimizerLazy->optimizeGroup() Fixed .
Review and apply the patch.
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Closed: duplicate
3.12
Leaflet API
Already fixed in 🐛 Geolocation leaflet library definitions license is missing URL Fixed