Exception middleCause = new RuntimeException("Processing failed", innerCause);
        ThumbnailGenerationException exception = new ThumbnailGenerationException("Thumbnail generation error", middleCause);

        assertEquals("Thumbnail generation error", exception.getMessage());
        assertEquals(middleCause, exception.getCause());
        assertEquals("Processing failed", exception.getCause().getMessage());

        assertEquals("Deleted 1 thumbnail files.", result);
    }

    // Test execute with successful purge (multiple files deleted)
    public void test_execute_multipleFilesDeleted() {
        thumbnailManager.setPurgeCallCount(100);

        String result = purgeThumbnailJob.execute();

        assertEquals("Deleted 100 thumbnail files.", result);
    }

					<c:if test="${thumbnailSupport && !empty doc.thumbnail}">
					<div class="me-3">
						<a class="link d-none d-sm-flex" href="${doc.url_link}" data-uri="${doc.url_link}" data-id="${doc.doc_id}"
							data-order="${s.index}"
						> <img src="${fe:url('/images/blank.png')}" alt="thumbnail"
							data-src="${fe:url('/thumbnail/')}?docId=${f:u(doc.doc_id)}&queryId=${f:u(queryId)}" class="thumbnail"
						>
						</a>
					</div>
					</c:if>

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when thumbnail generation fails.
 * This exception is used for errors during thumbnail creation and processing.
 */
public class ThumbnailGenerationException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**

<a href="fess-theme-simple/" title="fess-theme-simple/">fess-theme-simple/</a>                                               -         -      
<a href="fess-thumbnail-playwright/" title="fess-thumbnail-playwright/">fess-thumbnail-playwright/</a>                                       -         -      

{"index":{"_index":"fess_config.scheduled_job","_id":"thumbnail_generate"}}

    /** HTTP header name for robots tag */
    private static final String X_ROBOTS_TAG = "X-Robots-Tag";

    /** XPath expression for extracting thumbnail content from meta tags */
    private static final String META_NAME_THUMBNAIL_CONTENT = "//META[@name=\"thumbnail\" or @name=\"THUMBNAIL\"]/@content";

    /** XPath expression for extracting Open Graph image content from meta tags */

 * managing document lifecycle operations (create, update, delete), and handling
 * thumbnail processing during indexing.
 *
 * <p>The IndexingHelper manages bulk operations, handles retries on failures,
 * and provides various query-based operations for document management.
 * It also integrates with the thumbnail generation system and handles
 * the cleanup of old documents during updates.</p>
 */

{
    "properties": {
      "thumbnail_id": {
        "type": "keyword"
      },
      "path": {
        "type": "keyword"
      },
      "generator": {
        "type": "keyword"
      },
      "target": {
        "type": "keyword"
      },
      "createdTime": {
        "type": "long"
      },
      "createdBy": {
        "type": "keyword"
      }
    }

            "type" : "keyword"
          },
          "path" : {
            "type" : "keyword"
          },
          "target" : {
            "type" : "keyword"
          },
          "thumbnail_id" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021057304",
        "number_of_shards" : "5",