Discuss OMG OMG-OCUP2-ADV300 Exam Topic 1 Question 16

Choose the correct answer:

What happens when an exception is raised by an Action within an Activity that has been invoked asynchronously?

AThe exception is propagated to the caller

BThat kind of exception cannot be handled.

CThe catching exception handler has exactly one output pin.

DThe exception is lost if there is no matching handler within the Activity.

Suggested Answer: D

For asynchronous invocations in UML, when an exception is thrown and there is no matching exception handler within the activity, the exception is effectively lost because there is no direct mechanism to propagate it back to the caller. This reflects the nature of asynchronous communication where the calling process does not wait for the completion of the called process and, thus, may not be designed to handle exceptions that occur during the called process.

UML 2.5 Specification: The UML specification describes the behavior of actions within activities and how exceptions are handled, or not handled, in the case of asynchronous calls. It specifically states that for asynchronous calls, the exception is not propagated back to the caller as there is no return flow defined for such invocations.

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31 comments · newest first

Tegan 10 months ago

C is interesting, but I don't think it's the right choice here.

Antonio 11 months ago

B seems wrong. Exceptions can usually be handled in some way.

Eric 11 months ago

Wait, are we sure about that? What if there's a global handler?

Sharika 11 months ago

Totally agree with D! Exceptions need a handler to be caught.

Giuseppe 11 months ago

I think the answer is D. If there's no handler, it just gets lost.

Roslyn 12 months ago

I thought that exceptions could be caught, but now I’m wondering if they really just get lost without a handler.

Jacki 12 months ago

I’m leaning towards option D, but I’m a bit confused about how the exception handling works in asynchronous contexts.

Kimi 12 months ago

I’m not entirely sure, but I feel like I’ve seen a question like this before, and it mentioned something about exceptions being lost if there’s no handler.

Lettie 1 year ago

I think I remember that if an exception is raised asynchronously, it might not propagate back to the caller.

Julio 1 year ago

Okay, let me walk through this step-by-step. If an exception is raised in an asynchronous Action within an Activity, it needs to be handled somewhere. Option A says it's propagated to the caller, which makes sense. Option D says it's lost if there's no handler, which also seems plausible. I'll have to weigh the pros and cons of each.

Royal 1 year ago

Hmm, I'm a bit confused about this one. I know exceptions can be tricky in async code, but I'm not sure if the answer is A or D. I'll have to think it through carefully.

Dick 1 year ago

I'm pretty sure the answer is A, the exception is propagated to the caller. That's how exceptions usually work in asynchronous code.

Glenn 1 year ago

I think the key here is understanding how exceptions are handled in asynchronous code. The question is specifically about an Action within an Activity, so I'm guessing the correct answer has to do with the exception propagation within that context. I'll review my notes on async exception handling to make sure I pick the right option.

Arlette 1 year ago

This one seems pretty straightforward. JSON files are a way to represent structured data, so I'll go with option A.

Valentin 2 years ago

I think C) The catching exception handler has exactly one output pin makes sense, as it helps in handling the exception within the Activity.

Gayla 2 years ago

I'm not sure, but I think D) The exception is lost if there is no matching handler within the Activity.

Raul 2 years ago

I agree with France, because when an exception is raised, it should be passed back to the caller.

Beatriz 2 years ago

Hmm, I'm not sure, but C seems a bit too specific. I'll have to go with A or D.

German 2 years ago

B can't be right, exceptions can definitely be handled in an asynchronous context. I'd go with A.

Leonida 2 years ago

↳ replying to German

Yeah, A makes the most sense in this scenario.

Jerrod 2 years ago

↳ replying to German

I agree, A seems like the correct answer.

France 2 years ago

I think the correct answer is A) The exception is propagated to the caller.

Wilbert 2 years ago

D seems like the right choice. If there's no matching handler within the Activity, the exception would be lost, right?

Florinda 2 years ago

I think the correct answer is A. The exception should be propagated to the caller so they can handle it properly.

Marta 2 years ago

↳ replying to Florinda

Definitely, handling exceptions correctly can help improve the overall reliability of the system.

Lorean 2 years ago

↳ replying to Florinda

I think it's important to handle exceptions properly to avoid any unexpected behavior.

Janine 2 years ago

↳ replying to Florinda

Yes, that way it can be handled properly.

Colton 2 years ago

↳ replying to Florinda

Yes, that's right. It's important for the caller to know when an exception is raised.

Marylin 2 years ago

↳ replying to Florinda

I agree, the exception should be propagated to the caller.

Kiley 2 years ago

↳ replying to Florinda

I agree, the correct answer is A. The exception should be propagated to the caller.

Queenie 2 years ago

↳ replying to Florinda

I think the correct answer is A.

OMG-OCUP2-ADV300 Exam - Topic 1 Question 16 Discussion