Adriano Machado created CAMEL-23863:
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Summary: camel run --example=rest-api fails to start: invalid YAML
in bundled rest-api example
Key: CAMEL-23863
URL: https://issues.apache.org/jira/browse/CAMEL-23863
Project: Camel
Issue Type: Bug
Components: camel-jbang
Affects Versions: 4.21.0
Reporter: Adriano Machado
Running the bundled rest\-api example fails at startup:
{code}
camel run \-\-example=rest\-api
{code}
{code}
ERROR ... org.apache.camel.main.MainSupport : Error starting Camel:
Error constructing YAML node id: rest
in file:.../rest\-api.camel.yaml, line 2, column 5:
path: /api
\^
{code}
h3. Root cause
The bundled example {{rest\-api.camel.yaml}} placed a {{steps:}} key under
{{rest:}} and defined verbs without a {{to:}} target. {{steps}} is not a valid
property of the REST DSL {{}} element; verbs
\({{get}}/{{post}}/{{put}}/{{delete}}\) must be direct children of {{rest}},
each a list whose entries carry a {{to:}} target. The failure happens during
route\-model construction \(not pure YAML parsing\), which is why the reported
position points at the first child line of the {{rest}} node rather than at the
offending key.
h3. Steps to reproduceh1. {{camel run \-\-example=rest\-api}}
h1. Observe the {{Error constructing YAML node id: rest}} startup failure.
h3. Expected
The example starts and serves {{GET /api/hello}} and {{GET /api/hello/{name}}}.
h3. Fix
* Correct the verb structure in
{{dsl/camel\-jbang/camel\-jbang\-core/src/main/resources/examples/rest\-api/rest\-api.camel.yaml}}
\(verbs as children of {{rest}} with {{to:}} targets pointing at
{{direct:hello}} / {{direct:hello\-name}}\).
* Add a generic parameterized test \({{ExampleRoutesLoadTest}}\) that loads
every bundled example through the routes loader, guarding all examples against
this class of regression.
_Reported by Claude Code on behalf of Adriano Machado._
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