I am working in Magento ver. 2.1.6 facing the issue in thumbnail images disappears in list page for some of the products. And showing placeholder image instead of the product image. But that disappear product images showing fine in product details page.
Also others products images showing fine in the list page.
I have tried below steps:
Step 1) Run below command:
php bin/magento setup:upgrade
php bin/magento setup:static-content:deploy
php bin/magento indexer:reindex
php bin/magento cache:clean
php bin/magento cache:flush
Step 2) After I have clear cache manually via Magento backend:
"Flush Catalog Images Cache"
Step 3) Also try Manually Re-save product in the backend.
Step 4) After set production mode.
- php bin/magento deploy:mode:set production
Attachment of product screen images.
But did not solve things as above process.