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fix(copilot): fix copilot running workflow stuck on 10mb error #3999

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Merged
TheodoreSpeaks merged 5 commits into from
Apr 7, 2026
+36 −7
Merged

fix(copilot): fix copilot running workflow stuck on 10mb error #3999

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28bf52c
fix(copilot): fix copilot running workflow stuck on 10mb error
Apr 6, 2026
f31181d
Use correct try catch
Apr 7, 2026
38d46e6
Add const
Apr 7, 2026
9c99c3a
Strip only logs on payload too large
Apr 7, 2026
8064090
Fix threshold
Apr 7, 2026
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43 changes: 36 additions & 7 deletions apps/sim/lib/copilot/client-sse/run-tool-execution.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -320,17 +320,46 @@ async function reportCompletion(
data?: Record<string, unknown>
): Promise<void> {
try {
const body = JSON.stringify({
toolCallId,
status,
message: message || (status === 'success' ? 'Tool completed' : 'Tool failed'),
...(data ? { data } : {}),
})
const res = await fetch(COPILOT_CONFIRM_API_PATH, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
toolCallId,
status,
message: message || (status === 'success' ? 'Tool completed' : 'Tool failed'),
...(data ? { data } : {}),
}),
body,
})
if (!res.ok) {
// Next.js silently truncates request bodies beyond its body size limit (default 10MB),
// corrupting the JSON and causing a server-side parse error (500). When the request fails
// and the payload is large, retry without logs (the largest field) to fit under the limit.
const LARGE_PAYLOAD_THRESHOLD = 10 * 1024 * 1024
const bodySize = new Blob([body]).size
if (!res.ok && data && bodySize > LARGE_PAYLOAD_THRESHOLD) {
const { logs: _logs, ...dataWithoutLogs } = data
logger.warn('[RunTool] reportCompletion failed with large payload, retrying without logs', {
toolCallId,
status: res.status,
bodySize,
})
const retryRes = await fetch(COPILOT_CONFIRM_API_PATH, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
toolCallId,
status,
message: message || (status === 'success' ? 'Tool completed' : 'Tool failed'),
data: dataWithoutLogs,
}),
})
if (!retryRes.ok) {
logger.warn('[RunTool] reportCompletion retry also failed', {
toolCallId,
status: retryRes.status,
})
}
} else if (!res.ok) {
logger.warn('[RunTool] reportCompletion failed', { toolCallId, status: res.status })
}
} catch (err) {
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