adutra commented on code in PR #2887:
URL: https://github.com/apache/polaris/pull/2887#discussion_r2485774436


##########
runtime/service/src/main/java/org/apache/polaris/service/config/ServiceProducers.java:
##########
@@ -405,4 +407,11 @@ public PolarisCredentialManager polarisCredentialManager(
   public void closeTaskExecutor(@Disposes @Identifier("task-executor") 
ManagedExecutor executor) {
     executor.close();
   }
+
+  @Produces
+  @RequestScoped
+  public MetricsReporter metricsReporter(
+      MetricsReportingConfiguration config, @Any Instance<MetricsReporter> 
reporters) {
+    return reporters.select(Identifier.Literal.of(config.type())).get();

Review Comment:
   I'm -1 on the factory approach, The factory approach in Polaris is generally 
used for creating _and caching_ realm-scoped beans. The producer method 
approach OTOH is used for selecting beans at runtime according to their 
`@Identifier`.
   
   Here, it's clearly an application-scoped bean, selectable at runtime with 
its `@Identifier`.
   
   The correct fix for me is just to replace `@RequestScoped` with 
`@ApplicationScoped` in the producer method:
   
   ```java
   @ApplicationScoped
   public MetricsReporter metricsReporter(...)
   ```



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