AL0057 - Avoid async void methods

async void methods cannot be awaited and exceptions cannot be caught

Source: Al0057ToAl0060ThreadingAnalyzer.cs

Description

async void methods cannot be awaited, and any exceptions they throw will crash the process. Use async Task instead.

Bad Code

public async void SendNotification()
{
    await httpClient.PostAsync("/notify", content);
}

Good Code

public async Task SendNotification()
{
    await httpClient.PostAsync("/notify", content);
}

Properties

• Category: Threading
• Severity: Warning
• Enabled by default: True
• Code fix available: False

Configuration

dotnet_diagnostic.AL0057.severity = warning