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[Tips] .NET/C# Multithreaded task AggregateException exception parsing

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Posted on1 minute ago | | | |
Requirement: When using Tasks.Parallel multithreading to execute tasks in parallel, multiple exception errors may occur simultaneously, and multiple exceptions may be merged and wrapped in AggregateException.A single exception may not immediately interrupt all running threadsInstead, after other workers who are already running wrap up their current or nearby tasks or detect abnormal signals, they package all exceptions occurring in threads into a AggregateException and throw it outward.

AggregateException in C# is used to package multiple concurrent errors into a single exception object, commonly seen in Task Concurrency Library (TPL), PLINQ, or when calling Task.Wait or Task.Result. If you use try-catch packages outside, print out System.AggregateException: One or more errors occurred. How do you traverse each anomaly with abnormal information?

The test code is as follows:
As shown below:





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