only retry downloadtool on 500s and 408 and 429 #373
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ericsciple
commented
Mar 9, 2020
| let attempt = 1 | ||
| while (attempt < this.maxAttempts) { | ||
| // Try | ||
| try { | ||
| return await action() | ||
| } catch (err) { | ||
| if (isRetryable && !isRetryable(err)) { | ||
| throw err |
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i was happy to learn nodejs retains the original stack trace when an exception is rethrown
ericsciple
commented
Mar 9, 2020
ericsciple
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thboop
reviewed
Mar 9, 2020
| if (err instanceof HTTPError && err.httpStatusCode) { | ||
| // Don't retry anything less than 400 | ||
| // Don't retry 404 Not Found | ||
| if (err.httpStatusCode < 400 || err.httpStatusCode === 404) { |
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I think most 4xx responses are not retryable, the only one we should really retry for is 408- Request timeout and 429- Rate Limiting?
| expect(info).toHaveLength(0) | ||
| }) | ||
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| it('checks retryable after second attempt', async () => { |
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immense055
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| expect(info).toHaveLength(0) | ||
| }) | ||
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| it('checks retryable after second attempt', async () => { |
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downloadtool should only retry on 500s and 408 and 429