HTTP

HTTP 206 Partial Content vs 400 Bad Request

HTTP 206 (Partial Content) is a 2xx Success response, while 400 (Bad Request) is a 4xx Client Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 400 means that the server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing.

Description

The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.

When You See It

During video streaming, large file downloads, or when resuming interrupted downloads.

How to Fix

No fix needed. This is normal behavior for range requests.

Description

The server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing.

When You See It

When sending malformed JSON, missing required fields, or invalid query parameters.

How to Fix

Check the request body format, validate all required fields, and ensure proper encoding.

Key Differences

1.

206 is a 2xx Success response, while 400 is a 4xx Client Error response.

2.

HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.

3.

HTTP 400: The server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing.

4.

You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.

5.

You encounter 400 when when sending malformed JSON, missing required fields, or invalid query parameters.

When to Use Which

For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 400 (Bad Request): Check the request body format, validate all required fields, and ensure proper encoding.

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