Blue Prism Exam AD01 Topic 1 Question 81 Discussion

Actual exam question for Blue Prism's AD01 exam

Question #: 81
Topic #: 1

Please refer to the exhibits.

A Developer has created the logic that is resulting in an infinite loop of exceptions when the Multi Calc stage is executed

What is the reason"?

AThe Exception functions are used outside the recovery mode resulting in their own exception

BA Block is not used for the Recovery stage causing it to catch Exceptions from all stages on the page

CAn Exception stage is not used to report Exceptions causing an infinite loop in the recovery logic

DThe Data Item names are the same as the Exception expression resulting in their own exception

Show Suggested Answer

Suggested Answer: A

Exception Handling Logic:

When using ExceptionType() and ExceptionDetail() functions, they must be used within the context of an active recovery stage. These functions retrieve details about the current exception.

Issue in Logic:

In the provided diagram, the Capture Exception Detail stage is executed as a multiple calculation stage but is not within a recovery block. Using these exception functions outside recovery mode can cause another exception.

Resulting Infinite Loop:

This causes a new exception each time the Capture Exception Detail stage is executed, leading to an infinite loop of exceptions as the process continuously tries to recover from the newly generated exceptions.

Blue Prism documentation on proper use of exception functions and recovery stages.

by Vallie at Sep 14, 2024, 03:12 PM

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Serita

2 months ago

Haha, I bet the developer wishes they had a 'MultiCalc Infinite Loop Remover' tool. That would make this a lot easier to solve.

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2 months ago

Hmm, I'm not sure. The infinite loop of exceptions sounds tricky. I'll have to think this through carefully.

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Victor

2 months ago

Make sure the Data Item names are not the same as the Exception expression to avoid their own exception.

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Myra

2 months ago

It could also be that an Exception stage is not being used to report Exceptions, leading to the infinite loop.

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Olen

2 months ago

Maybe the Block is not being used for the Recovery stage, causing it to catch Exceptions from all stages.

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Barabara

2 months ago

I think the issue might be with the Exception functions being used outside the recovery mode.

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3 months ago

I think the reason for the infinite loop of exceptions is because the Exception functions are used outside the recovery mode.

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