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spring-framework/spring-core
junhyeong9812 924849f55b Avoid divide-by-zero in ExponentialBackOff jitter
When an ExponentialBackOff is configured with an initialInterval of 0
and a positive jitter, the first nextBackOff() evaluated (jitter *
(interval / initialInterval)) performs integer division by zero
and throws an ArithmeticException.

Both initialInterval = 0 and jitter > 0 are individually accepted
configurations -- with jitter = 0, an initialInterval of 0 already
yields a delay of 0 -- so the combination should not throw.

This commit addresses that by guarding the division so that no jitter
scaling is applied when initialInterval is 0, leaving the behavior for
positive intervals unchanged.

Closes gh-36932

Signed-off-by: junhyeong9812 <pickjog@gmail.com>
2026-06-17 12:09:30 +02:00
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