Ruslan Hryn created CAMEL-21919:
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Summary: Warning logs when use OpenTelemetry with trace processors
Key: CAMEL-21919
URL: https://issues.apache.org/jira/browse/CAMEL-21919
Project: Camel
Issue Type: Improvement
Components: camel-kafka
Affects Versions: 4.10.3
Reporter: Ruslan Hryn
The following warnings will appear during the application startup when using
OpenTelemetry with a trace processor:
{code:java}
2025-03-31T15:35:24.627+03:00 WARN 91210 --- [demo] [ main]
o.a.camel.impl.engine.DefaultChannel : Interceptor:
org.apache.camel.opentelemetry.OpenTelemetryTracingStrategy@210a26b at:
Log[Hello World] does not return an AsyncProcessor instance. This causes the
asynchronous routing engine to not work as optimal as possible. See more
details at the InterceptStrategy javadoc. Camel will use a bridge to adapt the
interceptor to the asynchronous routing engine, but its not the most optimal
solution. Please consider changing your interceptor to comply. {code}
This issue can be easily reproduced by adding the following properties to a
Spring Boot application:
{code:java}
camel:
opentelemetry:
enabled: true
trace-processors: true {code}
Additionally, I have created a reproducer
[here|https://github.com/RuslanHryn/camel-opentelemetry]
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