[GitHub] [camel-quarkus] francescobianca opened a new issue, #4895: Paho MQTT 5 Component Quarkus: using ssl inside native image

["francescobianca (via GitHub)" <gi...@apache.org>]

francescobianca opened a new issue, #4895:
URL: https://github.com/apache/camel-quarkus/issues/4895

   **[Quarkus Framework]** Hi, I have compiled my image implementing an MQTT Paho5 client developed with Camel connector in JVM mode and it works correctly. The same image compiled with Docker native file gives error:
   
   `org.apache.camel.PropertyBindingException: Error binding property (camel.component.paho-mqtt5.socketFactory=#class:mypackage.MqttSocketFactory) with name: socketFactory on bean: org.apache.camel.component.paho.mqtt5.PahoMqtt5Component@328cbaba with value: #class:mypackage.MqttSocketFactory`
   
   Do you have to set any special configuration to use SSL on native image? The exact same configuration in JVM mode works without any problems.
   


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[GitHub] [camel-quarkus] francescobianca closed issue #4895: Paho MQTT 5 Component Quarkus: using ssl inside native image

["francescobianca (via GitHub)" <gi...@apache.org>]

francescobianca closed issue #4895: Paho MQTT 5 Component Quarkus: using ssl inside native image
URL: https://github.com/apache/camel-quarkus/issues/4895


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[GitHub] [camel-quarkus] francescobianca commented on issue #4895: Paho MQTT 5 Component Quarkus: using ssl inside native image

["francescobianca (via GitHub)" <gi...@apache.org>]

francescobianca commented on issue #4895:
URL: https://github.com/apache/camel-quarkus/issues/4895#issuecomment-1547337713

   Thank you very much, annotating the class with `@RegisterForReflection` works native compilation!
   
   ```
   @RegisterForReflection
   @Singleton
   @Log4j2
   public class MqttSocketFactory extends SSLSocketFactory {
   ```


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[GitHub] [camel-quarkus] jamesnetherton commented on issue #4895: Paho MQTT 5 Component Quarkus: using ssl inside native image

["jamesnetherton (via GitHub)" <gi...@apache.org>]

jamesnetherton commented on issue #4895:
URL: https://github.com/apache/camel-quarkus/issues/4895#issuecomment-1545980469

   If you use `#class`, then Camel will use reflection to instantiate the target class. Therefore, you need to provide a hint to the native compiler by annotating `mypackage.MqttSocketFactory` with `@RegisterForReflection`. See the native mode guide for more information:
   
   https://camel.apache.org/camel-quarkus/3.0.x/user-guide/native-mode.html#reflection
   
   You can probably avoid reflection entirely and create a CDI bean producer for the socket factory like:
   
   ```java
   @ApplicationScoped
   public class SocketFactoryProducer {
       @Produces
       @Named("mySocketFactory")
       public SocketFactory createSocketFactory() {
           return new MqttSocketFactory();
       }
   }
   ```
   
   Then the configuration can reference the named bean:
   
   ```
   camel.component.paho-mqtt5.socketFactory=#mySocketFactory
   ```


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