Fess is based on [OpenSearch](https://github.com/opensearch-project/OpenSearch), but knowledge/experience about OpenSearch is _not_ required. Fess provides an easy to use Administration GUI to configure the system via your browser.

   * and https://github.com/jspecify/jspecify/issues/490.
   *
   * (That would also have ensured that its cause was always an Error, rather than possibly another
   * kind of Throwable that was later passed to initCause. Then we could have declared the override
   * `public final Error getCause()`.)
   */

  /**

      // Fail fast if there's no response queued up.
      return failFastResponse!!
    }

    val result = responseQueue.take()

    // If take() returned because we're shutting down, then enqueue another dead letter so that any
    // other threads waiting on take() will also return.
    if (result == DEAD_LETTER) responseQueue.add(DEAD_LETTER)

    return result
  }

not.  So she went in search of her hedgehog.

  The hedgehog was engaged in a fight with another hedgehog,
which seemed to Alice an excellent opportunity for croqueting one
of them with the other:  the only difficulty was, that her
flamingo was gone across to the other side of the garden, where
Alice could see it trying in a helpless sort of way to fly up
into a tree.

   * and https://github.com/jspecify/jspecify/issues/490.
   *
   * (That would also have ensured that its cause was always an Error, rather than possibly another
   * kind of Throwable that was later passed to initCause. Then we could have declared the override
   * `public final Error getCause()`.)
   */

  /**

MINIO_NOTIFY_AMQP_COMMENT        (sentence)  optionally add a comment to this setting
```

So, the frontend (that runs in the browser) would try to reach `/openapi.json` and wouldn't be able to get the OpenAPI schema.

Because we have a proxy with a path prefix of `/api/v1` for our app, the frontend needs to fetch the OpenAPI schema at `/api/v1/openapi.json`.

```mermaid
graph LR

browser("Browser")
proxy["Proxy on http://0.0.0.0:9999/api/v1/app"]

    have exclusive access to the file. An additional open command
    from jCIFS or another application will fail with the "file is being
    accessed by another process" error. The <code>FILE_SHARE_READ</code>,
    <code>FILE_SHARE_WRITE</code>, and <code>FILE_SHARE_DELETE</code> may be
    combined with the bitwise OR '|' to specify that other peocesses may read,
    write, and/or delete the file while the jCIFS user has the file open.

        /** Internet Explorer and Trident-based browsers */
        IE,
        /** Mozilla Firefox browser */
        FIREFOX,
        /** Google Chrome browser */
        CHROME,
        /** Apple Safari browser */
        SAFARI,
        /** Opera browser */
        OPERA,
        /** Other or unrecognized browser types */
        OTHER;
    }

### Other utility functions { #other-utility-functions }