server: fix SSE and OpenAI compatibility for error messages when streaming#16109
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ngxson merged 2 commits intoSep 20, 2025
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| } | ||
| }, [&](const json & error_data) { | ||
| server_sent_event(sink, "error", error_data); | ||
| server_sent_event(sink, "data", json{{"error", error_data}}); |
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Seems like we no longer need the second argument of server_sent_event, as it will always be "data"
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Yeah that makes sense.
Should this be kept in a way to make it compatible with the actual event field of the SSE spec (in a line above the data - if specified) or should that parameter be completely removed and simply always only use the data line?
e.g.
event: error
data: {error: {....}}
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I think most parsers will accept format data: {error: {....}}, anything outside of that always caused problems for downstream in the past, like the data: [DONE] for example.
ngxson
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Sep 20, 2025
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|
cc @allozaur you may need to update web ui code too (not urgent) |
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…aming (ggml-org#16109) * server: fix SSE and OpenAI compatibility for error messages when streaming * server: remove obsolete event parameter and use required data fieldname instead
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…aming (ggml-org#16109) * server: fix SSE and OpenAI compatibility for error messages when streaming * server: remove obsolete event parameter and use required data fieldname instead
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…aming (#16109) * server: fix SSE and OpenAI compatibility for error messages when streaming * server: remove obsolete event parameter and use required data fieldname instead
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This fixes compatibility with the SSE specification by not sending error messages out with an incompatible fieldname.
Therefore this also ensures proper exceptions when working for example with OpenAI client libraries, instead of being handled as an empty message.
Closes:
#16104