weimeilin79 opened a new issue #2442:
URL: https://github.com/apache/camel-quarkus/issues/2442
**Problem**
While making a demo, I notice whenever I have the components to Azure, there
is a "Multiple producers of item class " error, when I also tried to add metric
for observability.
So I took the observability demo in Camel Quarkus Example. Same thing
happens.
**Error Msg:**
```
[ERROR] Port 5005 in use, not starting in debug mode
2021-04-05 13:06:13,728 ERROR [io.qua.dep.dev.IsolatedDevModeMain] (main)
Failed to start quarkus: java.lang.RuntimeException:
io.quarkus.builder.ChainBuildException: Multiple producers of item class
io.quarkus.deployment.metrics.MetricsCapabilityBuildItem
(io.quarkus.micrometer.deployment.MicrometerProcessor#metricsCapabilityBuildItem)
at
io.quarkus.runner.bootstrap.AugmentActionImpl.runAugment(AugmentActionImpl.java:396)
at
io.quarkus.runner.bootstrap.AugmentActionImpl.createInitialRuntimeApplication(AugmentActionImpl.java:269)
at
io.quarkus.runner.bootstrap.AugmentActionImpl.createInitialRuntimeApplication(AugmentActionImpl.java:66)
at
io.quarkus.deployment.dev.IsolatedDevModeMain.firstStart(IsolatedDevModeMain.java:79)
at
io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:378)
at
io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:56)
at
io.quarkus.bootstrap.app.CuratedApplication.runInCl(CuratedApplication.java:127)
at
io.quarkus.bootstrap.app.CuratedApplication.runInAugmentClassLoader(CuratedApplication.java:84)
at io.quarkus.deployment.dev.DevModeMain.start(DevModeMain.java:144)
at io.quarkus.deployment.dev.DevModeMain.main(DevModeMain.java:63)
Caused by: io.quarkus.builder.ChainBuildException: Multiple producers of
item class io.quarkus.deployment.metrics.MetricsCapabilityBuildItem
(io.quarkus.micrometer.deployment.MicrometerProcessor#metricsCapabilityBuildItem)
at io.quarkus.builder.BuildStepBuilder.build(BuildStepBuilder.java:195)
at
io.quarkus.builder.BuildStepBuilder.buildIf(BuildStepBuilder.java:206)
at
io.quarkus.deployment.ExtensionLoader.lambda$loadStepsFromClass$110(ExtensionLoader.java:880)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
at
io.quarkus.deployment.ExtensionLoader.lambda$loadStepsFromClass$111(ExtensionLoader.java:948)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
......
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
at io.quarkus.deployment.QuarkusAugmentor.run(QuarkusAugmentor.java:104)
at
io.quarkus.runner.bootstrap.AugmentActionImpl.runAugment(AugmentActionImpl.java:394)
... 9 more
Caused by: java.lang.Throwable: This is the location of the conflicting
producer
(io.quarkus.smallrye.metrics.deployment.SmallRyeMetricsProcessor#metricsCapabilityBuildItem)
at io.quarkus.builder.BuildStepBuilder.build(BuildStepBuilder.java:195)
at
io.quarkus.builder.BuildStepBuilder.buildIf(BuildStepBuilder.java:206)
at
io.quarkus.deployment.ExtensionLoader.lambda$loadStepsFromClass$110(ExtensionLoader.java:880)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
at
io.quarkus.deployment.ExtensionLoader.lambda$loadStepsFromClass$111(ExtensionLoader.java:948)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
.....
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
at
java.base/java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
````
**Version**
Camel Quarkus : 1.8.0
**How to reproduce**
Use the observability in Camel Quarkus Example repo,
[https://github.com/apache/camel-quarkus-examples/tree/master/observability]
Add the _azure-eventhubs_ dependency
```
<dependency>
<groupId>org.apache.camel.quarkus</groupId>
<artifactId>camel-quarkus-azure-eventhubs</artifactId>
</dependency>
```
And do the normal quarkus run
```
mvn clean compile quarkus:dev
```
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