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Google API change results in MONO error: Invalid IL code in System.Net.Http.HttpClientHandler: .ctor (): method body is empty

I had to change the auth system behind the Google Analytics API after the legacy authorization system stopped working. As a result of the SO post, my auth file went from:

protected override void Load(ContainerBuilder builder)
{
    builder.Register(c =>
    {
        var service = new AnalyticsService("mrfreeman.com");
        service.setUserCredentials("robot@mrfreeman.com", "jellyfish");
        return service;
    });

    builder.RegisterType<AnalyticsNewsletterTrackingSource>().As<INewsletterTrackingSource>();
    builder.RegisterType<AnalyticsSearchTrackingSource>().As<ISearchTrackingSource>();

    builder.RegisterType<AnalyticsEmailLinkTracker>().As<IEmailLinkTracker>();
}

To:

private const string ServiceAccountEmail = "blabla@developer.gserviceaccount.com";

private static readonly string KeyPath = System.IO.Path.Combine(AppDomain.CurrentDomain.SetupInformation.PrivateBinPath ?? AppDomain.CurrentDomain.BaseDirectory, "Key.p12");

private static readonly X509Certificate2 Certificate = new X509Certificate2(KeyPath, "notasecret", X509KeyStorageFlags.Exportable);
private readonly ServiceAccountCredential _credential = new ServiceAccountCredential(
       new ServiceAccountCredential.Initializer(ServiceAccountEmail)
       {
           Scopes = new[] { "https://www.googleapis.com/auth/analytics" }
       }.FromCertificate(Certificate));

protected override void Load(ContainerBuilder builder)
{
    builder.Register(c =>
    {
        _credential.RequestAccessTokenAsync(System.Threading.CancellationToken.None).Wait();
        var service = new AnalyticsService("mrfreeman.com");

        var requestFactory = new GDataRequestFactory("shazbot2.0");
        requestFactory.CustomHeaders.Add(string.Format("Authorization: Bearer {0}", _credential.Token.AccessToken));
        service.RequestFactory = requestFactory;

        return service;
    });

    builder.RegisterType<AnalyticsNewsletterTrackingSource>().As<INewsletterTrackingSource>();
    builder.RegisterType<AnalyticsSearchTrackingSource>().As<ISearchTrackingSource>();

    builder.RegisterType<AnalyticsEmailLinkTracker>().As<IEmailLinkTracker>();
}

Execution of all necessary boiler plate to copy the generated developer email and P12 key into the project.

The problem is this: It works on Windows but creates problems with services running on mono and depends on the Analytics module. Version 4.0.2 Mono is currently in use.

What I have tried:

  • Using old and new mono previews - 3.10 and 4.2.0 to start the service (which is built by Visual Studio itself) and check if an exception is thrown.
  • Importing System.Net.Http and copying to local (not currently referencing a service) - still throws the same exception

At this point, I dug deeper into learning the new Google Analytics API and rewriting everything from scratch as I tried to use the old API but updated the Auth API a little, but I consider it a dumb tool type solution.

The stack trace is the same for any version:

FATAL Unhandled exception occurred.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidProgramException: Invalid IL code in System.Net.Http.HttpClientHandler:.ctor (): method body is empty.

  at Google.Apis.Http.HttpClientFactory.CreateHandler (Google.Apis.Http.CreateHttpClientArgs args) <0x40280100 + 0x0003b> in <filename unknown>:0 
  at Google.Apis.Http.HttpClientFactory.CreateHttpClient (Google.Apis.Http.CreateHttpClientArgs args) <0x4027ff90 + 0x0002d> in <filename unknown>:0 
  at Google.Apis.Auth.OAuth2.ServiceAccountCredential..ctor (Google.Apis.Auth.OAuth2.Initializer initializer) <0x4027f6d0 + 0x00438> in <filename unknown>:0 
  at jellyfish.Analytics.AnalyticsModule..ctor () <0x4027ed00 + 0x00103> in <filename unknown>:0 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (System.Reflection.MonoCMethod,object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x0003f> in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x00079> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceMono (Boolean nonPublic) <0x7f82579c1ec0 + 0x00116> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceSlow (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1e70 + 0x00049> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1c10 + 0x0005c> in <filename unknown>:0 
  at System.Activator.CreateInstance[T] () <0x7f82578dfb70 + 0x0008a> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (IModuleRegistrar registrar) <0x40273470 + 0x0004f> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (Autofac.ContainerBuilder builder) <0x40273330 + 0x0006b> in <filename unknown>:0 
  at jellyfish.Cron.Program.BuildContainer (ILog log) <0x402730e0 + 0x0005f> in <filename unknown>:0 
  at jellyfish.Cron.Program.ExecuteJob (System.Type jobType) <0x4021abe0 + 0x0007b> in <filename unknown>:0 
Unknown errno: Protocol error


Unhandled Exception:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidProgramException: Invalid IL code in System.Net.Http.HttpClientHandler:.ctor (): method body is empty.

  at Google.Apis.Http.HttpClientFactory.CreateHandler (Google.Apis.Http.CreateHttpClientArgs args) <0x40280100 + 0x0003b> in <filename unknown>:0 
  at Google.Apis.Http.HttpClientFactory.CreateHttpClient (Google.Apis.Http.CreateHttpClientArgs args) <0x4027ff90 + 0x0002d> in <filename unknown>:0 
  at Google.Apis.Auth.OAuth2.ServiceAccountCredential..ctor (Google.Apis.Auth.OAuth2.Initializer initializer) <0x4027f6d0 + 0x00438> in <filename unknown>:0 
  at jellyfish.Analytics.AnalyticsModule..ctor () <0x4027ed00 + 0x00103> in <filename unknown>:0 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (System.Reflection.MonoCMethod,object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x0003f> in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x00079> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceMono (Boolean nonPublic) <0x7f82579c1ec0 + 0x00116> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceSlow (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1e70 + 0x00049> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1c10 + 0x0005c> in <filename unknown>:0 
  at System.Activator.CreateInstance[T] () <0x7f82578dfb70 + 0x0008a> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (IModuleRegistrar registrar) <0x40273470 + 0x0004f> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (Autofac.ContainerBuilder builder) <0x40273330 + 0x0006b> in <filename unknown>:0 
  at jellyfish.Cron.Program.BuildContainer (ILog log) <0x402730e0 + 0x0005f> in <filename unknown>:0 
  at jellyfish.Cron.Program.ExecuteJob (System.Type jobType) <0x4021abe0 + 0x0007b> in <filename unknown>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidProgramException: Invalid IL code in System.Net.Http.HttpClientHandler:.ctor (): method body is empty.

  at Google.Apis.Http.HttpClientFactory.CreateHandler (Google.Apis.Http.CreateHttpClientArgs args) <0x40280100 + 0x0003b> in <filename unknown>:0 
  at Google.Apis.Http.HttpClientFactory.CreateHttpClient (Google.Apis.Http.CreateHttpClientArgs args) <0x4027ff90 + 0x0002d> in <filename unknown>:0 
  at Google.Apis.Auth.OAuth2.ServiceAccountCredential..ctor (Google.Apis.Auth.OAuth2.Initializer initializer) <0x4027f6d0 + 0x00438> in <filename unknown>:0 
  at jellyfish.Analytics.AnalyticsModule..ctor () <0x4027ed00 + 0x00103> in <filename unknown>:0 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (System.Reflection.MonoCMethod,object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x0003f> in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) <0x7f8257b94780 + 0x00079> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceMono (Boolean nonPublic) <0x7f82579c1ec0 + 0x00116> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceSlow (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1e70 + 0x00049> in <filename unknown>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, System.Threading.StackCrawlMark& stackMark) <0x7f82579c1c10 + 0x0005c> in <filename unknown>:0 
  at System.Activator.CreateInstance[T] () <0x7f82578dfb70 + 0x0008a> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (IModuleRegistrar registrar) <0x40273470 + 0x0004f> in <filename unknown>:0 
  at Autofac.ModuleRegistrationExtensions.RegisterModule[TModule] (Autofac.ContainerBuilder builder) <0x40273330 + 0x0006b> in <filename unknown>:0 
  at jellyfish.Cron.Program.BuildContainer (ILog log) <0x402730e0 + 0x0005f> in <filename unknown>:0 
  at jellyfish.Cron.Program.ExecuteJob (System.Type jobType) <0x4021abe0 + 0x0007b> in <filename unknown>:0
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1 answer


I had a similar problem, so I thought to try removing and adding the following DLLS to fix it.

Removed System.net.http, OkHttp, ModernClient. Found an issue with adding ModernClientHttp and OkHttp libraries by links.



I removed OkHttp and ModernClientHttp and added ModernClientHttp via Nuget and it works for me. Try it if it helps.

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