HTTP

HTTP 102 Processing vs 406 Not Acceptable

HTTP 102 (Processing) is a 1xx Informational response, while 406 (Not Acceptable) is a 4xx Client Error response. 102 indicates that the server has received and is processing the request, but no response is available yet. Prevents the client from timing out. In contrast, 406 means that the server cannot produce a response matching the Accept headers sent by the client.

Description

The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.

When You See It

During long-running WebDAV operations.

How to Fix

Wait for the final response. This is an interim status to prevent timeouts.

Description

The server cannot produce a response matching the Accept headers sent by the client.

When You See It

When requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).

How to Fix

Adjust the Accept header to a format the server supports.

Key Differences

1.

102 is a 1xx Informational response, while 406 is a 4xx Client Error response.

2.

HTTP 102: The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.

3.

HTTP 406: The server cannot produce a response matching the Accept headers sent by the client.

4.

You encounter 102 when during long-running WebDAV operations.

5.

You encounter 406 when when requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).

When to Use Which

For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 406 (Not Acceptable): Adjust the Accept header to a format the server supports.

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