Handling case where IIIF manifest generation fails if cantaloupe is down

modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php

@@ -12,6 +12,7 @@ use Drupal\Core\Config\ImmutableConfig;
 use Drupal\Core\File\FileSystem;
 use GuzzleHttp\Client;
 use GuzzleHttp\Exception\ClientException;
+use GuzzleHttp\Exception\ConnectException;
 use GuzzleHttp\Exception\ServerException;
 
 /**
@@ -183,6 +184,7 @@ class IIIFManifest extends StylePluginBase {
           $canvas_id = $iiif_base_id . '/canvas/' . $entity->id();
           $annotation_id = $iiif_base_id . '/annotation/' . $entity->id();
 
+	  dsm("BEFORE REQUEST");
           // Try to fetch the IIIF metadata for the image.
           try {
             $info_json = $this->httpClient->get($iiif_url)->getBody();
@@ -190,11 +192,7 @@ class IIIFManifest extends StylePluginBase {
             $width = $resource['width'];
             $height = $resource['height'];
           }
-          catch (ClientException $e) {
-          }
-          catch (ServerException $e) {
-          }
-
+          catch (ClientException | ServerException | ConnectException $e) {
             // If we couldn't get the info.json from IIIF
             // try seeing if we can get it from Drupal.
             if (empty($width) || empty($height)) {
@@ -215,6 +213,7 @@ class IIIFManifest extends StylePluginBase {
                 }
               }
             }
+          }
 
           $canvases[] = [
             // @see https://iiif.io/api/presentation/2.1/#canvas