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Posted to commits@camel.apache.org by "fvcortes (via GitHub)" <gi...@apache.org> on 2024/04/28 15:54:47 UTC
[I] Cannot find RoutesBuilderLoader in classpath for native application [camel-quarkus]
fvcortes opened a new issue, #6049:
URL: https://github.com/apache/camel-quarkus/issues/6049
### Bug description
## Issue
When attempting to load routes from YAML content using a fresh CamelContext in native execution, the application cannot locate an appropriate RoutesBuilderLoader in the classpath that supports the file extension `.yaml` (camel-quarkus-yaml-dsl dependency included).
## Expected Behavior
The expected behavior is to successfully load routes using the fresh CamelContext without errors.
## Actual Behavior
Instead, the method call throws an exception when trying to load routes for the given YAML content.
## How to Reproduce
A minimal reproducer is set up at:
[GitHub - fvcortes/camel-context-main](https://github.com/fvcortes/camel-context-main/tree/master)
### JVM Executable
#### Build:
```sh
mvn clean package
```
#### Run:
```sh
java -jar target/quarkus-app/quarkus-run.jar LSBmcm9tOgogICAgdXJpOiAiZGlyZWN0Om15LXJvdXRlIgogICAgc3RlcHM6CiAgICAgIC0gbG9nOgogICAgICAgICAgbWVzc2FnZTogIkxvZ2dpbmcgZnJvbSBteS1yb3V0ZS4uLiI=
```
#### Output:
```
2024-04-28 10:55:20,416 INFO [io.quarkus] (main) camel-quarkus-context-main 1.0.0 on JVM (powered by Quarkus 3.9.1) started in 0.540s.
2024-04-28 10:55:20,419 INFO [io.quarkus] (main) Profile prod activated.
2024-04-28 10:55:20,419 INFO [io.quarkus] (main) Installed features: [camel-core, camel-yaml-dsl, cdi]
2024-04-28 10:55:20,496 INFO [org.acm.mai.Main] (main) Routes loaded successfully.
2024-04-28 10:55:20,498 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-2) is shutting down (timeout:45s)
2024-04-28 10:55:20,502 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Routes stopped (stopped:0)
2024-04-28 10:55:20,511 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-2) shutdown in 14ms (uptime:)
```
### Native Executable
#### Build:
```sh
mvn clean package -Pnative
```
#### Run:
```sh
./target/*-runner LSBmcm9tOgogICAgdXJpOiAiZGlyZWN0Om15LXJvdXRlIgogICAgc3RlcHM6CiAgICAgIC0gbG9nOgogICAgICAgICAgbWVzc2FnZTogIkxvZ2dpbmcgZnJvbSBteS1yb3V0ZS4uLiI=
```
#### Output:
```log
2024-04-28 10:58:46,556 INFO [io.quarkus] (main) camel-quarkus-context-main 1.0.0 native (powered by Quarkus 3.9.1) started in 0.006s.
2024-04-28 10:58:46,556 INFO [io.quarkus] (main) Profile prod activated.
2024-04-28 10:58:46,556 INFO [io.quarkus] (main) Installed features: [camel-core, camel-yaml-dsl, cdi]
2024-04-28 10:58:46,559 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-2) is shutting down (timeout:45s)
2024-04-28 10:58:46,559 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Routes stopped (stopped:0)
2024-04-28 10:58:46,560 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-2) shutdown in 0ms (uptime:)
2024-04-28 10:58:46,560 ERROR [io.qua.run.Application] (main) Failed to start application (with profile [prod]): java.lang.IllegalArgumentException: Cannot find RoutesBuilderLoader in classpath supporting file extension: yaml
at org.apache.camel.impl.engine.DefaultRoutesLoader.resolveRoutesBuilderLoader(DefaultRoutesLoader.java:298)
at org.apache.camel.impl.engine.DefaultRoutesLoader.findRoutesBuilders(DefaultRoutesLoader.java:124)
at org.apache.camel.impl.engine.DefaultRoutesLoader.findRoutesBuilders(DefaultRoutesLoader.java:101)
at org.apache.camel.spi.RoutesLoader.findRoutesBuilders(RoutesLoader.java:133)
at org.apache.camel.spi.RoutesLoader.loadRoutes(RoutesLoader.java:85)
at org.acme.main.Main.load(Main.java:58)
at org.acme.main.Main.run(Main.java:50)
at org.acme.main.Main_ClientProxy.run(Unknown Source)
at io.quarkus.runtime.ApplicationLifecycleManager.run(ApplicationLifecycleManager.java:132)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:71)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:44)
at org.acme.main.Main.main(Main.java:38)
2024-04-28 10:58:46,560 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-1) is shutting down (timeout:45s)
2024-04-28 10:58:46,560 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Routes stopped (stopped:0)
2024-04-28 10:58:46,560 INFO [org.apa.cam.imp.eng.AbstractCamelContext] (main) Apache Camel 4.4.1 (camel-1) shutdown in 0ms (uptime:)
2024-04-28 10:58:46,561 INFO [io.quarkus] (main) camel-quarkus-context-main stopped in 0.000s
```
## Alternative Solution
For this specific task of dynamically loading routes, I've set up a branch in the reproducer that utilizes the CamelRuntime retrieved from Quarkus ARC. This provides a CamelContext that successfully loads routes in native mode:
[GitHub Branch - arc-camel-context-main](https://github.com/fvcortes/camel-context-main/tree/arc-camel-context-main)
This issue may not necessarily be a bug, but rather unexpected behavior from which I was expecting more clarity. I might be missing something about Camel context initialization in a Camel-Quarkus environment and would appreciate enlightenment on this topic.
Thank you in advance for your help.
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Re: [I] Cannot find RoutesBuilderLoader in classpath for native application [camel-quarkus]
Posted by "jamesnetherton (via GitHub)" <gi...@apache.org>.
jamesnetherton commented on issue #6049:
URL: https://github.com/apache/camel-quarkus/issues/6049#issuecomment-2081599076
Without additional configuration `new DefaultCamelContext()` is pretty much guranteed to fail in native mode.
There shouldn't really be any need to instantiate own `CamelContext`. One is already created for you at build time and you can customize it with configuration properties, CDI beans, observers etc.
You can also `@Inject` an instance of it into your `Main` class.
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Re: [I] Cannot find RoutesBuilderLoader in classpath for native application [camel-quarkus]
Posted by "fvcortes (via GitHub)" <gi...@apache.org>.
fvcortes commented on issue #6049:
URL: https://github.com/apache/camel-quarkus/issues/6049#issuecomment-2081610028
Thanks for your answer @jamesnetherton and I appreciate your tip on using the injectable bean CamelContext.
I understand that instantiating a camel context manually with no configuration is not adequate for native execution, hence this is not a legitimate bug request.
In this particular scenario, I would also like to make use of the initialization capabilities of the `init()` method, provided by the AbstractCamelContext implementation but the CamelContext injectable bean doesn't seem to provide one since the everything is already set up at this point.
Do you have any suggestions?
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Re: [I] Cannot find RoutesBuilderLoader in classpath for native application [camel-quarkus]
Posted by "fvcortes (via GitHub)" <gi...@apache.org>.
fvcortes closed issue #6049: Cannot find RoutesBuilderLoader in classpath for native application
URL: https://github.com/apache/camel-quarkus/issues/6049
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Re: [I] Cannot find RoutesBuilderLoader in classpath for native application [camel-quarkus]
Posted by "fvcortes (via GitHub)" <gi...@apache.org>.
fvcortes closed issue #6049: Cannot find RoutesBuilderLoader in classpath for native application
URL: https://github.com/apache/camel-quarkus/issues/6049
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