HTTP 102 Processing vs 415 Unsupported Media Type
HTTP 102 (Processing) is a 1xx Informational response, while 415 (Unsupported Media Type) 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, 415 means that the server refuses to accept the request because the Content-Type is not supported.
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 refuses to accept the request because the Content-Type is not supported.
When You See It
When sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
How to Fix
Set the correct Content-Type header matching the data format you're sending.
Key Differences
102 is a 1xx Informational response, while 415 is a 4xx Client Error response.
HTTP 102: The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
HTTP 415: The server refuses to accept the request because the Content-Type is not supported.
You encounter 102 when during long-running WebDAV operations.
You encounter 415 when when sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
When to Use Which
For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 415 (Unsupported Media Type): Set the correct Content-Type header matching the data format you're sending.