Do mesmo modo, você pode sobreescrever o `HTTPException`.

Por exemplo, você pode querer retornar uma *response* em *plain text* ao invés de um JSON para os seguintes erros:

```Python hl_lines="3-4  9-11  22"
{!../../../docs_src/handling_errors/tutorial004.py!}
```

!!! note "Detalhes Técnicos"
    Você pode usar `from starlette.responses import PlainTextResponse`.

    cache.put(3, 20);
    cache.put(6, 2);
    cache.put(98, 45);
    cache.put(56, 76);
    cache.put(23, 84);

    // Replace the two present elements.
    cache.put(23, 20);
    cache.put(56, 49);
    cache.put(23, 2);
    cache.put(56, 4);

    // Expire the two present elements.
    fakeTicker.advance(1001, TimeUnit.MILLISECONDS);

    cache.getIfPresent(23);
    cache.getIfPresent(56);

                </mxCell>
                <mxCell id="56" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=3;" edge="1" parent="1" source="55" target="49">
                    <mxGeometry relative="1" as="geometry"/>
                </mxCell>

    cache.put(3, 20);
    cache.put(6, 2);
    cache.put(98, 45);
    cache.put(56, 76);
    cache.put(23, 84);

    // Replace the two present elements.
    cache.put(23, 20);
    cache.put(56, 49);
    cache.put(23, 2);
    cache.put(56, 4);

    // Expire the two present elements.
    fakeTicker.advance(1001, TimeUnit.MILLISECONDS);

    Integer unused1 = cache.getIfPresent(23);

                            <mxPoint x="-40" y="290"/>
                        </Array>
                    </mxGeometry>
                </mxCell>
                <mxCell id="49" value="" style="rounded=0;whiteSpace=wrap;html=1;fontStyle=1;strokeWidth=4;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
                    <mxGeometry x="510" y="400" width="310" height="320" as="geometry"/>

    longValues.add(Integer.MAX_VALUE + 1L, Long.MAX_VALUE - 1L, Long.MAX_VALUE);

    // Now add values near 2^N for lots of values of N.
    for (int exponent : asList(32, 33, 39, 40, 41, 47, 48, 49, 55, 56, 57)) {
      long x = 1L << exponent;
      longValues.add(x, x + 1, x - 1);
    }
    longValues.add(194368031998L).add(194368031999L); // sqrt(2^75) rounded up and down

    // Now we check for known false positives using a set of known false positives.
    // (These are all of the false positives under 900.)
    ImmutableSet<Integer> falsePositives =
        ImmutableSet.of(
            49, 51, 59, 163, 199, 321, 325, 363, 367, 469, 545, 561, 727, 769, 773, 781);
    for (int i = 1; i < 900; i += 2) {
      if (!falsePositives.contains(i)) {

Genauso können Sie den `HTTPException`-Handler überschreiben.

Zum Beispiel könnten Sie eine Klartext-Response statt JSON für diese Fehler zurückgeben wollen:

```Python hl_lines="3-4  9-11  22"
{!../../../docs_src/handling_errors/tutorial004.py!}
```

!!! note "Technische Details"
    Sie können auch `from starlette.responses import PlainTextResponse` verwenden.

    // Now we check for known false positives using a set of known false positives.
    // (These are all of the false positives under 900.)
    ImmutableSet<Integer> falsePositives =
        ImmutableSet.of(
            49, 51, 59, 163, 199, 321, 325, 363, 367, 469, 545, 561, 727, 769, 773, 781);
    for (int i = 1; i < 900; i += 2) {
      if (!falsePositives.contains(i)) {

	_ = x[ErrRemoteTargetNotFoundError-45]
	_ = x[ErrReplicationRemoteConnectionError-46]
	_ = x[ErrReplicationBandwidthLimitError-47]
	_ = x[ErrBucketRemoteIdenticalToSource-48]
	_ = x[ErrBucketRemoteAlreadyExists-49]
	_ = x[ErrBucketRemoteLabelInUse-50]
	_ = x[ErrBucketRemoteArnTypeInvalid-51]
	_ = x[ErrBucketRemoteArnInvalid-52]
	_ = x[ErrBucketRemoteRemoveDisallowed-53]
	_ = x[ErrRemoteTargetNotVersionedError-54]