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Fix StatisticsHandler in the case a Handler throws exception. #7837

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merged 1 commit into from May 4, 2022

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lachlan-roberts
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If a Handler throws, the StatisticsHandler thinks it has seen a 200 response because the status code has not yet been set. This PR adds a separate stat _responsesThrown which is now incremented instead of using the incorrect status code in the case the handler throws.

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>
@joakime
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joakime commented Apr 5, 2022

Having a late point of status tracking, to supplement the tracking in the StatisticsHandler is a good idea.
Maybe having a stats specific HttpChannel.Listener or stats RequestLog that forwards the status codes to the tracking in StatisticsHandler is in our future.

@gregw
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gregw commented Apr 5, 2022

Note that we have a late stats point in jetty-12, but I don't think we should make significant changes in <= 11

@joakime joakime added the Bug For general bugs on Jetty side label Apr 26, 2022
@joakime joakime added this to In progress in Jetty 9.4.47 - 🧊 FROZEN 🥶 via automation Apr 26, 2022
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joakime commented Apr 26, 2022

@lachlan-roberts is there an open issue for this?

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@joakime yes there is an open private issue which has been linked.

@lachlan-roberts lachlan-roberts merged commit 125e12a into jetty-9.4.x May 4, 2022
Jetty 9.4.47 - 🧊 FROZEN 🥶 automation moved this from In progress to Done May 4, 2022
@lachlan-roberts lachlan-roberts deleted the jetty-9.4.x-statsHandlerThrows branch May 4, 2022 05:59
joakime added a commit that referenced this pull request May 4, 2022
Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
lachlan-roberts added a commit that referenced this pull request May 6, 2022
Issue #7837 - Fix StatisticsHandler in the case a Handler throws exception.
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3 participants