Custom Throwable Storage to prevent exceptions

CustomThrowableStorage.php

<?php

namespace MyPackage\Site;

use Neos\Flow\Log\ThrowableStorage\FileStorage;
use Neos\Media\Exception\NoThumbnailAvailableException;


/*
  After implementing Kaleidoscope for Images and SourceSets we got an uncontrollably growing exception folder
  when testing with prod-db-dump on staging, which caused a content-release
  to fail and made the neos-container grow infiniteley.
  We do not longer log this specific Exception, but it will be shown on the page, if it occurs.
  */
class CustomThrowableStorage extends FileStorage {

    public function logThrowable(\Throwable $throwable, array $additionalData = []) {
        if($throwable instanceof NoThumbnailAvailableException) {
            return '';
        }
        return parent::logThrowable($throwable, $additionalData);
    }

}

Settings.yaml

Neos:
  Flow:
    log:
#      This block is needed for overwriting the ThrowableStorage to our own CustomThrowableStorage.
#      For Documentation see: MyPackage/Site/Classes/CustomThrowableStorage.php
      throwables:
        storageClass: MyPackage\Site\CustomThrowableStorage
        renderRequestInformation: true
        optionsByImplementation:
          'MyPackage\Site\CustomThrowableStorage':
            storagePath: '%FLOW_PATH_DATA%Logs/Exceptions'