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https://issues.apache.org/jira/browse/CAMEL-26797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on CAMEL-26797 started by Claus Ibsen.
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> camel-chaos - an experiment does not pass while the route of its expectation
> failed, and a lost expectation between two routes that are not a hand-off
> warns
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-26797
> URL: https://issues.apache.org/jira/browse/CAMEL-26797
> Project: Camel
> Issue Type: Improvement
> Components: camel-jbang
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 4.24.0
>
>
> Found in a run of {{camel cmd chaos-explore}} (CAMEL-26760) on the chaos
> example (apache/camel-jbang-examples#134, which adds a refunds route that
> calls the payment service over HTTP).
> The model wrote {{expect=refunds->payment:lost<=0}} for "refunds handles a
> 503 from payment", and the experiment passed while 7 refunds failed:
> # {{a->b:lost}} counts the messages route a completed that route b did not
> complete (CAMEL-26726). That only means something for a hand-off (orders
> hands to shipping over seda). Refunds does not hand off to payment: it calls
> it and waits, so a 503 fails the refund in refunds, and a failed exchange is
> not counted by lost at all. Payment also answered the orders (13 completed in
> refunds, 57 in payment), so the expectation was 0 lost by construction.
> # The experiment then had faults that fired, a met expectation, and a route
> with messages, so it passed. The 7 failures were only listed under "also
> failed, in no expectation".
> The playbook already says to use {{->lost}} only for the hand-offs the
> suggestions name; a small model does not always follow it (an earlier run had
> the same mistake). So, as with the other checks of CAMEL-26790:
> * Adding a rule with {{a->b:lost}} where route a does not hand messages to
> route b (seda, vm, disruptor) warns, and says that {{expect=a:failed<=0}}
> counts what fails in a.
> * An experiment whose expectation is about a route that failed exchanges that
> no expectation of it counts is INCONCLUSIVE, not PASS, with the reason and
> the expectation that counts them.
> _Claude Code on behalf of Claus Ibsen_
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