HTTP 102 Processing vs 417 Expectation Failed
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HTTP 102 (Processing) is a 1xx Informational response, while 417 (Expectation Failed) 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, 417 means that the server cannot meet the requirements of the Expect header.
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 meet the requirements of the Expect header.
When You See It
When the server doesn't support Expect: 100-continue.
How to Fix
Remove the Expect header from your request.
Key Differences
102 is a 1xx Informational response, while 417 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 417: The server cannot meet the requirements of the Expect header.
You encounter 102 when during long-running WebDAV operations.
You encounter 417 when when the server doesn't support Expect: 100-continue.
When to Use Which
For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 417 (Expectation Failed): Remove the Expect header from your request.