final String msg = ComponentUtil.getMessageManager().getMessage(displayLocale, "labels.allLanguages");
                        final Map<String, String> defaultMap = new HashMap<>(2);
                        defaultMap.put(Constants.ITEM_LABEL, msg);
                        defaultMap.put(Constants.ITEM_VALUE, "all");

        // Create AP-REQ structure
        ASN1Sequence apReqSequence = new DERSequence(new ASN1Encodable[] { new DERTaggedObject(true, 0, new ASN1Integer(5)), // pvno
                new DERTaggedObject(true, 1, new ASN1Integer(14)), // msg-type
        });

        // Create CONTEXT tagged object instead of APPLICATION
        DERTaggedObject contextTag = new DERTaggedObject(false, 14, apReqSequence);

...без додавання обов’язкового параметра `needy`, Ви побачите помилку:

```JSON
{
  "detail": [
    {
      "type": "missing",
      "loc": [
        "query",
        "needy"
      ],
      "msg": "Field required",
      "input": null
    }
  ]
}
```

Оскільки `needy` є обов’язковим параметром, вам потрібно вказати його в URL:

```
http://127.0.0.1:8000/items/foo-item?needy=sooooneedy

```JSON
{
    "detail": [
        {
            "loc": [
                "query",
                "needy"
            ],
            "msg": "field required",
            "type": "value_error.missing"
        }
    ]
}
```

Поскольку `needy` является обязательным параметром, вам необходимо указать его в URL-адресе:

```

		<main id="content" class="container">
			<h2>
				<la:message key="labels.advance_search_title" />
			</h2>
			<div class="notification">${notification}</div>
			<div>
				<la:info id="msg" message="true">
					<div class="alert alert-info">${msg}</div>
				</la:info>
				<la:errors header="errors.front_header" footer="errors.front_footer" prefix="errors.front_prefix"
					suffix="errors.front_suffix"
				/>
			</div>

 log.Println("Connected")

 // Subscribe to subject
 log.Printf("Subscribing to subject 'bucketevents'\n")
 natsConnection.Subscribe("bucketevents", func(msg *nats.Msg) {

  // Handle the message
  log.Printf("Received message '%s\n", string(msg.Data)+"'")
 })

 // Keep the connection alive
 runtime.Goexit()
}
```

```
go run nats.go
2016/10/12 06:39:18 Connected

```

...🍵 ❎ ✔ 🔢 `needy`, 👆 🔜 👀 ❌ 💖:

```JSON
{
    "detail": [
        {
            "loc": [
                "query",
                "needy"
            ],
            "msg": "field required",
            "type": "value_error.missing"
        }
    ]
}
```

`needy` 🚚 🔢, 👆 🔜 💪 ⚒ ⚫️ 📛:

```
http://127.0.0.1:8000/items/foo-item?needy=sooooneedy
```

```json
{
    "detail": [
        {
            "type": "extra_forbidden",
            "loc": ["cookie", "santa_tracker"],
            "msg": "Extra inputs are not permitted",
            "input": "good-list-please",
        }
    ]
}
```

## 요약

```JSON
{
  "detail": [
    {
      "type": "missing",
      "loc": [
        "query",
        "needy"
      ],
      "msg": "Field required",
      "input": null
    }
  ]
}
```

`needy` zorunlu bir parametre olduğundan dolayı bağlantıda tanımlanması gerekir:

```
http://127.0.0.1:8000/items/foo-item?needy=sooooneedy

        public CommonServerMessageBlockResponse getResponse() {
            return this.response;
        }

        @Override
        public void setResponse(CommonServerMessageBlockResponse msg) {
            this.response = msg;
        }

        @Override
        public long getMid() {
            return this.mid;
        }

        @Override
        public void setMid(long mid) {