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fix(driver): do not crash on EPIPE after the client exits #43499

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Merged
Pavel Feldman (pavelfeldman) merged 1 commit into from
Oct 19, 2026
Merged

fix(driver): do not crash on EPIPE after the client exits #43499

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4 changes: 4 additions & 0 deletions packages/playwright-core/src/cli/driver.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,10 @@ export function runDriver() {
});
// eslint-disable-next-line no-restricted-properties
const transport = new PipeTransport(process.stdout, process.stdin);
// The client may exit while messages are still in flight. Ignore the EPIPE so the
// driver keeps running until stdin closes, and then closes the browsers gracefully.
// eslint-disable-next-line no-restricted-properties
process.stdout.on('error', () => {});
transport.onmessage = (message: string) => dispatcherConnection.dispatch(JSON.parse(message));
// Certain Language Binding JSON parsers (e.g. .NET) do not like strings with lone surrogates.
const isJavaScriptLanguageBinding = !process.env.PW_LANG_NAME || process.env.PW_LANG_NAME === 'javascript';
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