Signalr Azure函数开发和配置与Azure信号器服务在连接字符串上抛出错误消息
这里是函数的代码,非常简单:Signalr Azure函数开发和配置与Azure信号器服务在连接字符串上抛出错误消息,signalr,azure-functions,signalr-hub,azure-functions-runtime,azure-signalr,Signalr,Azure Functions,Signalr Hub,Azure Functions Runtime,Azure Signalr,这里是函数的代码,非常简单: [FunctionName("negotiate")] public static SignalRConnectionInfo Run( [HttpTrigger(AuthorizationLevel.Anonymous)] HttpRequest req, [SignalRConnectionInfo( ConnectionStringSetting =
[FunctionName("negotiate")]
public static SignalRConnectionInfo Run(
[HttpTrigger(AuthorizationLevel.Anonymous)]
HttpRequest req,
[SignalRConnectionInfo(
ConnectionStringSetting = "Endpoint=https://myowntestserver.service.signalr.net;AccessKey=mymaskedaccesskey=;Version=1.0;",
HubName = "tracking")]
SignalRConnectionInfo connectionInfo)
{
return connectionInfo;
}
在Visual Studio 2017上运行此代码时,我收到以下错误消息:
[2019-03-27 3:39:14 PM]错误索引方法“协商”
[2019-03-27 3:39:14 PM]Microsoft.Azure.WebJobs.Host:错误索引方法
“谈判”。Microsoft.Azure.WebJobs.Host:无法解析该值
对于属性“SignalConnectionInfoAttribute.ConnectionString设置”。
确保该设置存在并具有有效值
local.settings.json文件如下所示:
{
"IsEncrypted": false,
"Values": {
"AzureWebJobsStorage": "UseDevelopmentStorage=true",
"FUNCTIONS_WORKER_RUNTIME": "dotnet"
}
}
这里是host.json文件:
{
"version": "2.0"
}
项目文件包含以下nuget包:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netcoreapp2.2</TargetFramework>
<AzureFunctionsVersion>v2</AzureFunctionsVersion>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Azure.WebJobs.Extensions.ServiceBus" Version="3.0.3" />
<PackageReference Include="Microsoft.Azure.WebJobs.Extensions.SignalRService" Version="1.0.0" />
<PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.26" />
</ItemGroup>
<ItemGroup>
<None Update="host.json">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="local.settings.json">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
<CopyToPublishDirectory>Never</CopyToPublishDirectory>
</None>
</ItemGroup>
</Project>
netcoreapp2.2
v2
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所有这些配置似乎都正确,但不确定为什么我们会收到我在上面引用的错误消息。通过根据以下示例更新local.settings.json文件来解决此问题:
{
"IsEncrypted": false,
"Values": {
"AzureWebJobsStorage": "UseDevelopmentStorage=true",
"AzureWebJobsDashboard": "UseDevelopmentStorage=true",
"AzureSignalRConnectionString": "Endpoint=Endpoint=https://myowntestserver.service.signalr.net;AccessKey=mymaskedaccesskey=;Version=1.0;""
},
"Host": {
"LocalHttpPort": 7071,
"CORS": "*"
}
}
此外,还应从属性中删除SignalConnectionInfo.ConnectionString设置