name: Regression
description: Report a problem about something that used to work
labels: [ "a:regression", "to-triage" ]
assignees: [ ]
body:
  - type: markdown
    attributes:
      value: |
        Please use our bug report template to report problems with something that has never worked.
        Regressions reports are greatly appreciated during our RC phase and before a final release.
  - type: textarea
    id: current-behavior
    attributes:

    private String loc;

    /**
     * Identifies the time that the corresponding Sitemap file was modified. It
     * does not correspond to the time that any of the pages listed in that
     * Sitemap were changed. The value for the lastmod tag should be in W3C
     * Datetime format.
     *
     * By providing the last modification timestamp, you enable search engine
     * crawlers to retrieve only a subset of the Sitemaps in the index i.e. a

     */
    void visit(TokenVisitor visitor);

    class TokenVisitor {
        void onStartHtmlElement(String name) {
        }

        void onHtmlElementAttribute(String name, String value) {
        }

        void onStartHtmlElementComplete(String name) {
        }

        void onEndHtmlElement(String name) {
        }

        void onStartJavadocTag(String name) {
        }

            n = in.read(b, off + i, len - i);
            if ( n <= 0 ) {
                break;
            }
            i += n;
        }

        return i;
    }

    /*
     * state values
     * 0 - not connected
     * 1 - connecting
     * 2 - run connected
     * 3 - connected
     * 4 - error
     * 5 - disconnecting
     * 6 - disconnected/invalid
     */

                            if (lowerName.contains("comment") || lowerName.contains("text")) {
                                final String[] values = metadata.getValues(name);
                                if (values != null) {
                                    Collections.addAll(list, values);
                                }
                            }
                        }
                        if (!list.isEmpty()) {

  public Set<Feature<? super List>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    ListFeature[] value() default {};

    ListFeature[] absent() default {};
  }

    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    public abstract MultimapFeature[] value() default {};

    public abstract MultimapFeature[] absent() default {};
  }

    shape_string = shape.DebugString();
  } else {
    shape_string = "<error computing shape>";
  }
  std::string value_string;
  if (!SummarizeValue(value_string).ok()) {
    value_string = "<error computing value>";
  }
  if (value_string.length() > 100) {
    // The default NumPy-style output can be distractingly long in error
    // messages.
    value_string = absl::StrCat(value_string.substr(0, 100), " [...]");
  }

      this.toTrickle = toTrickle;
      this.replaced = replaced;
    }
  }

  /** Removes and returns the value at {@code index}. */
  private E removeAndGet(int index) {
    E value = elementData(index);
    removeAt(index);
    return value;
  }

  private Heap heapForIndex(int i) {
    return isEvenLevel(i) ? minHeap : maxHeap;
  }

            "loc": [
                "path",
                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}

```

被替换为了以下文本格式的错误信息：

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)

```

### `RequestValidationError` vs `ValidationError`