Events fail to send when compression is enabled

[lunim]

I am seeing this in the debug log:

Sentry responded with status 'BadRequest' for event 9a6e423b-63e2-4e39-bec6-9a58088bfb9f. Message: No JSON data was found

Here is the code I am running;

static void Main()
{
    using ( SentrySdk.Init("https://<id>@<on_prem_server>") )
    {
        SentrySdk.CaptureMessage("Sample Test 1");
    }
}

I have an on-premise 9.0.0 server.

The following code successfully sends issues:

using (var sdk = SentrySdk.Init(s =>
{
    s.Dsn = new Dsn("https://<id>@<on_prem_server>");
    s.Http(h =>
    {
        h.RequestBodyCompressionLevel = System.IO.Compression.CompressionLevel.NoCompression;
    });

}))
{
    SentrySdk.CaptureMessage("Sample Test 1");
}

[bruno-garcia]

This is strange. I've tested against Sentry.io which is also Sentry 9 and it works properly.
I'll run on-prem here and try on that.

[bruno-garcia]

It turns out you need to enable on a reverse proxy, support to chunked transfer encoding.

For example, if you are using nginx, you can do as documented here

sentry.io has it enabled, that's why the SDK works fine with the SaaS version.

After a discussion internally it was decided to buffer the request to be able to get the Content-Length and avoid chunked transfer encoding altogether.

[bruno-garcia]

Just merged the change: https://github.com/getsentry/sentry-dotnet/pull/73/files
It'll go to NuGet in a few days when we make a new release.