When uploading a file with DropzoneJS (using Entity Browser), the file appears to upload correctly (thumbnail appears). However, hovering over the thumbnail image shows "Unable to open wrapper stream." When you try to select an image, it registers as no image being uploaded and this message is in the logs:
Warning: fopen(://a_landscape_without_comparison_tuparro_natural_park.jpg.txt): failed to open stream: No such file or directory in Drupal\dropzonejs\UploadHandler->handleUpload() (line 141 of /var/www/html/modules/contrib/dropzonejs/src/UploadHandler.php)
Location: http://pmmi.dev/dropzonejs/upload?token=BhZK7nyEmVxaSApcPBUC7FTfCZxgl_b28iOP4W4WpjY
Referrer: http://pmmi.dev/entity-browser/modal/browse_files_modal?uuid=47795ac8665cc49c2609e09463fef2af04ecc4ae&original_path=/block/add/image
This appears to have been introduced in version 8.x-1.0-alpha4.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Same here.
Creating `dropzonejs.settings.yml` in config and importing configuration (drush config:import --yes --diff) resolved the issue
_core:
default_config_hash: fGFTqYAulnPAAIvcmVd97U00m-mXpnsZL_MM8Ma9W1g
tmp_upload_scheme: temporary
filename_transliteration: true
upload_timeout_ms: 0