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fix: release HTTP connections after POST responses #1214

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Merged
KKonstantinov merged 3 commits into from
Dec 4, 2025
Merged

fix: release HTTP connections after POST responses #1214

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548b21f
fix: release HTTP connections after POST responses in SSE and streama…
mattzcarey Dec 2, 2025
5b540b4
Merge branch 'main' into fix-cancel-unused-requests
mattzcarey Dec 2, 2025
50e30a1
Merge branch 'main' into fix-cancel-unused-requests
KKonstantinov Dec 4, 2025
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3 changes: 3 additions & 0 deletions src/client/sse.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,9 @@ export class SSEClientTransport implements Transport {

throw new Error(`Error POSTing to endpoint (HTTP ${response.status}): ${text}`);
}

// Release connection - POST responses don't have content we need
await response.body?.cancel();
} catch (error) {
this.onerror?.(error as Error);
throw error;
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4 changes: 4 additions & 0 deletions src/client/streamableHttp.ts
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Expand Up @@ -592,8 +592,12 @@ export class StreamableHTTPClientTransport implements Transport {
this.onmessage?.(msg);
}
} else {
await response.body?.cancel();
throw new StreamableHTTPError(-1, `Unexpected content type: ${contentType}`);
}
} else {
// No requests in message but got 200 OK - still need to release connection
await response.body?.cancel();
}
} catch (error) {
this.onerror?.(error as Error);
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