Croway opened a new pull request, #1929:
URL: https://github.com/apache/camel-spring-boot/pull/1929
## What
`CamelHealthHelper.applyHealthDetail` added the full stack trace of a failed
health check as
`error.stacktrace` to the per-check data at every exposure level except
`oneline`. With the default
`camel.health.exposure-level=default`, any DOWN check whose result carries
an exception — a consumer that
lost its broker, a pool that cannot connect — serialised the whole cause
chain into `/actuator/health`.
`error.stacktrace` is now emitted only when the exposure level is `full`.
## Why
* `error.message` is still reported at the `default` level, which is what
Spring Boot's own health
indicators expose (class and message, never a trace).
* It matches the other runtimes: camel-main's `ManagementHttpServer`
includes `error-stacktrace` only when
the caller asks for it with `?stackTrace=true`, and
camel-quarkus-microprofile-health never emits one.
* It matches the documented meaning of the levels: `full` is described as
including all details from all
the invoked health checks, and the stack trace is the most verbose detail
there is. The trace was added
in CAMEL-18832 to align the output with microprofile-health, but that
implementation does not carry one.
The trace is unchanged in the application log; no logging was added or
removed.
## Behaviour change and how to opt back in
At `camel.health.exposure-level=default` (the default) the actuator response
no longer contains
`<check-id>.data.error.stacktrace`. `error.message` is unchanged. To get the
trace back:
```properties
camel.health.exposure-level = full
```
Note that `full` also stops filtering health check metadata out of the
per-check data, so it is more
verbose than the previous default in other respects too. An upgrade guide
entry for this will be proposed
separately against `apache/camel`.
The diff is deliberately confined to the stack-trace gating, since
CAMEL-24512 changes the same method
(`error.message` overwritten when several checks are DOWN) under a different
assignee.
## Tests
New `CamelHealthHelperTest` builds a DOWN result carrying an exception plus
a detail and asserts:
* `default` — `error.message` present, `error.stacktrace` absent from the
check data;
* `full` — both present, the trace containing the exception message and
frames;
* `oneline` — no details at all.
`mvn test -pl core/camel-spring-boot
-Dtest='CamelHealthHelperTest,CamelHealthTest,CamelProbesTest'` →
Tests run: 5, Failures: 0, Errors: 0.
`core/camel-spring-boot/src/main/docs/spring-boot.json` was regenerated for
the clarified
`camel.health.exposure-level` description.
_Claude Code (Opus 5) on behalf of Federico Mariani_
🤖 Generated with [Claude Code](https://claude.com/claude-code)
https://claude.ai/code/session_018uGVoZ1upWLheUxbE4XfVy
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