Questions tagged [aggregateexception]
61 questions
57
votes
4 answers
How to fix "'System.AggregateException' occurred in mscorlib.dll"
I'm receiving an unhandled exception while debugging, and the program stops executing. The debugger doesn't show me the line so I don't know what to fix.
An unhandled exception of type 'System.AggregateException' occurred in mscorlib.dll
Additional…
Oleg Vazhnev
- 23,239
- 54
- 171
- 305
26
votes
5 answers
Flattening of AggregateExceptions for Processing
I'm running into a few issues where I call flatten on an AggregateException, but inside there is still ANOTHER AggregateException! This obviously means that they are being propagated up the chain and being rolled into another AggregateException. …
JNYRanger
- 6,829
- 12
- 53
- 81
12
votes
1 answer
HttpClient - dealing with aggregate exceptions
Hi i am using HttpClient similar to this:
public static Task AsyncStringRequest(string url, string contentType)
{
try
{
var client = new HttpClient();
client.DefaultRequestHeaders.Accept.Add(new…
gdp
- 8,032
- 10
- 42
- 63
8
votes
1 answer
C# InnerException in AggregateException
I have this code as below to capture the exceptions throw from tasks created by using TaskFactory and Task.Run. If I use the TaskFactory, I am able to check the Exception thrown from the previous task in the Continued task without having to use the…
Helic
- 907
- 1
- 10
- 25
7
votes
1 answer
TaskCanceledException in AggregateException does not contain stack trace
I am using the Task Parallel Library to run a task which - when cancelled - throws the OperationCanceledException, which is then caught using the AggregateException, as follows. The AggregateException contains a list of TaskCanceledExceptions,…
steffar
- 379
- 5
- 9
6
votes
1 answer
Wrapped AggregateException reports just first exception in ToString method
I get complete set of nested exceptions when I use ToString() method on AggregateException directly:
public void GreenTest()
{
var ex = new AggregateException(new Exception("ex1"), new Exception("ex2"));
ex.ToString()
.Should()
…
Buthrakaur
- 1,821
- 3
- 23
- 35
5
votes
3 answers
Confusion over AggregateException Handle method
ReSharper was giving me a CoVariantConversion warning so I decided to google this and see how to fix it. I came accross this snippet of code:
// ReSharper disable CoVariantArrayConversion
try
{
Task.WaitAll(taskList.ToArray());
}
catch…
cahoskins
- 125
- 2
- 9
4
votes
1 answer
C# AggregateException, in what scenario would I have aggregated exceptions?
I am probably missing a very obvious fact, but I have a hard time understanding the need for AggregatedExceptions.
I know since async/await we don't have to bother with AggregatedExceptions anymore (or at least are confronted with them less…
bas
- 13,550
- 20
- 69
- 146
4
votes
1 answer
AggregateException.Flatten() loses stack trace information. Is the lost info important or not?
The documentation on MSDN for the AggregateException.Flatten method says the following: "If any inner exceptions are themselves instances of AggregateException, this method will recursively flatten all of them. The inner exceptions returned in the…
Matthew Rodatus
- 1,393
- 9
- 18
3
votes
0 answers
Why does catching AggregateException cause CA2000 dispose warning?
The code below causes a code analysis warning CA2000, claiming that I need to dispose of getRequest along all code paths before it goes out of scope.
Tweaking the code slightly, for example removing the when from the catch, eliminates the…
Rob
- 4,327
- 6
- 29
- 55
3
votes
2 answers
AggregateException not caught by Task.Wait()
I'm trying to catch an NullReferenceException which is going to be thrown by Task.Factory.StartNew method. I think it should be caught by 'try' statement with task.Wait() method.
I also referred to Why is this exception not caught?, but have no…
Bicycle-riding Dog
- 65
- 7
3
votes
0 answers
Unity3d, Parse.com throw exception, (System.AggregateException)
so i'm trying to use parse.com in my unity project, it was all working fine until i added a new column in my user database. It throw exception every time i tried to access my currentUser.
In the error shown below, it mentioned that something goes…
libra
- 673
- 1
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- 30
3
votes
1 answer
PLINQ exception
I am using PLINQ with code below:
static void Main(string[] args)
{
var lt = new List() {1,2,3,4,5};
try
{
var nlt = lt.AsParallel().Select(Test).ToList();
}
catch (AggregateException e)
…
Sean
- 981
- 1
- 9
- 19
3
votes
2 answers
Many nested AggregateExceptions
Working with Entity Framework 7, I made a simple mistake with some linq (used Skip and forgot to include my OrderBy clause).
The exception that was thrown by this included a number of nested aggregate exceptions.
The code that generates (and…
Jon Egerton
- 40,401
- 11
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- 129
3
votes
1 answer
Mark task exception as handled
How can I mark an exception thrown in a task as handled. The problem is when I call the Wait() method of a task, it will throw an AggregateException even when I have already handled the AggregateException a long time ago.
The following code snippet…
Stefan Vettiger
- 85
- 8