[英]Cannot find an implementation class for grain interface
I have 2 interfaces in my assembly, and 2 grains that implement them.我的程序集中有 2 个接口,以及实现它们的 2 个颗粒。
public interface IGrain1:IGrainWithIntegerKey { void SomeMethod(); }
public interface IGrain2:IGrainWithIntegerKey { void SomeOtherMethod(); }
public Grain1:IGrain1
{
public void SomeMethod()
{
var grain2=this.GrainFactory.GetGrain<IGrain2>([somekey]);
}
}
public Grain2:IGrain2
{
void SomeOtherMethod(){}
}
This call to grain of type IGrain2
throws:这个调用
IGrain2
类型的 grain 会抛出:
Cannot find an implementation class for grain interface: [path].IGrain2 . Make sure the grain assembly was correctly deployed and loaded in the silo.
I do not get why this exception happens, since both interfaces and grains are in the same assembly.我不明白为什么会发生这种异常,因为接口和颗粒都在同一个程序集中。 Can anyone provide any idea?
任何人都可以提供任何想法吗?
There are two possible solutions for this case:这种情况有两种可能的解决方案:
<PackageReference Include="Microsoft.Orleans.CodeGenerator.MSBuild" Version="3.4.2">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
ConfigureApplicationParts
method to register the Assembly.ConfigureApplicationParts
方法来注册程序集。 This is not recommended but can be done like this:siloBuilder.ConfigureApplicationParts((Action<IApplicationPartManager>)(parts =>
{
parts.AddApplicationPart(typeof(SomeGrain).Assembly).WithReferences();
}));
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