Buuhuu commented on a change in pull request #34:
URL: 
https://github.com/apache/sling-org-apache-sling-models-impl/pull/34#discussion_r803547697



##########
File path: 
src/main/java/org/apache/sling/models/impl/injectors/OSGiServiceInjector.java
##########
@@ -204,7 +204,11 @@ public Callback(ServiceReference<?>[] refs, BundleContext 
context) {
         public void onDisposed() {
             if (refs != null) {
                 for (ServiceReference<?> ref : refs) {
-                    context.ungetService(ref);
+                    try {
+                        context.ungetService(ref);
+                    } catch (IllegalStateException | IllegalArgumentException 
| NullPointerException exception) {

Review comment:
       I think it is a valid case to catch all these RuntimeExceptions to 
guarantee that the iteration over the ServiceReference completes. However, as 
you don't handle the exceptions you may want to collect them instead and add 
them as suppressed exceptions to a new `RuntimeException` that you throw if any 
exception happened during the iteration. So the caller remains responsible to 
handle the `RuntimeException` if possible but ungetting the remaining services 
will work. 




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