orchestrator
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Orchestrator 安装指南
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Last updated 2024年10月3日

Identity Server 异常

500.30 ASP.NET Core app failed to start - System.FormatException: Could not parse the JSON file

异常

Exception Info: System.FormatException: Could not parse the JSON file. 
---> System.Text.Json.JsonReaderException: '2' is an invalid start of a property name. Expected a '"'. LineNumber: 0 | BytePositionInLine: 1.
 at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& json, ExceptionResource resource, Byte nextByte, ReadOnlySpan`1 bytes)
 at System.Text.Json.Utf8JsonReader.ReadSingleSegment()
 at System.Text.Json.Utf8JsonReader.Read()
 at System.Text.Json.JsonDocument.Parse(ReadOnlySpan`1 utf8JsonSpan, JsonReaderOptions readerOptions, MetadataDb& database, StackRowStack& stack)
 at System.Text.Json.JsonDocument.Parse(ReadOnlyMemory`1 utf8Json, JsonReaderOptions readerOptions, Byte[] extraRentedBytes)
 at System.Text.Json.JsonDocument.Parse(ReadOnlyMemory`1 json, JsonDocumentOptions options)
 at System.Text.Json.JsonDocument.Parse(String json, JsonDocumentOptions options)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser.ParseStream(Stream input)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser.Parse(Stream input)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationProvider.Load(Stream stream) --- End of inner exception stack trace ---
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationProvider.Load(Stream stream)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load(Boolean reload) --- End of stack trace from previous location ---
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.HandleException(ExceptionDispatchInfo info)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load(Boolean reload)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load()
 at Microsoft.Extensions.Configuration.ConfigurationRoot..ctor(IList`1 providers)
 at Microsoft.Extensions.Configuration.ConfigurationBuilder.Build()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.BuildCommonServices(AggregateException& hostingStartupErrors)
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.FormatException: Could not parse the JSON file. 
---> System.Text.Json.JsonReaderException: '2' is an invalid start of a property name. Expected a '"'. LineNumber: 0 | BytePositionInLine: 1.
 at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& json, ExceptionResource resource, Byte nextByte, ReadOnlySpan`1 bytes)
 at System.Text.Json.Utf8JsonReader.ReadSingleSegment()
 at System.Text.Json.Utf8JsonReader.Read()
 at System.Text.Json.JsonDocument.Parse(ReadOnlySpan`1 utf8JsonSpan, JsonReaderOptions readerOptions, MetadataDb& database, StackRowStack& stack)
 at System.Text.Json.JsonDocument.Parse(ReadOnlyMemory`1 utf8Json, JsonReaderOptions readerOptions, Byte[] extraRentedBytes)
 at System.Text.Json.JsonDocument.Parse(ReadOnlyMemory`1 json, JsonDocumentOptions options)
 at System.Text.Json.JsonDocument.Parse(String json, JsonDocumentOptions options)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser.ParseStream(Stream input)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser.Parse(Stream input)
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationProvider.Load(Stream stream) --- End of inner exception stack trace ---
 at Microsoft.Extensions.Configuration.Json.JsonConfigurationProvider.Load(Stream stream)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load(Boolean reload) --- End of stack trace from previous location ---
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.HandleException(ExceptionDispatchInfo info)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load(Boolean reload)
 at Microsoft.Extensions.Configuration.FileConfigurationProvider.Load()
 at Microsoft.Extensions.Configuration.ConfigurationRoot..ctor(IList`1 providers)
 at Microsoft.Extensions.Configuration.ConfigurationBuilder.Build()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.BuildCommonServices(AggregateException& hostingStartupErrors)
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args) 

原因

异常由格式错误的 appsettings.jsonappsettings.Production.json 文件引起。

异常包括配置文件中需要更正的行,以及有问题的结构。在上面的示例中,为:

System.Text.Json.JsonReaderException: '2' is an invalid start of a property name. Expected a '"'. LineNumber: 0 | BytePositionInLine: 1.System.Text.Json.JsonReaderException: '2' is an invalid start of a property name. Expected a '"'. LineNumber: 0 | BytePositionInLine: 1.

解决方案

1. 更正文件的语法。您可以使用 JSON 验证器(例如 JSON 在线验证器和格式化程序)来检查错误。

2. 在 IIS 中重新启动 Orchestrator。

500.30 ASP.NET Core app failed to start - certificate: 'THUMBPRINT' not found in certificate store

异常

Exception Info: System.AggregateException: One or more errors occurred. (certificate: '0A38CB4B920B2FE107051C32EBE7BA898CCE0441' not found in certificate store)
 ---> System.InvalidOperationException: certificate: '0A38CB4B920B2FE107051C32EBE7BA898CCE0441' not found in certificate store
   at Microsoft.Extensions.DependencyInjection.IdentityServerBuilderExtensionsCrypto.AddSigningCredential(IIdentityServerBuilder builder, String name, StoreLocation location, NameType nameType, String signingAlgorithm)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.SignWithStoreCertificate(IIdentityServerBuilder builder, SigningCredentialStores storeLocation)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration, String dbConnection, ILogger`1 _logger, IHostEnvironment environment)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.AggregateException: One or more errors occurred. (certificate: '0A38CB4B920B2FE107051C32EBE7BA898CCE0441' not found in certificate store)
 ---> System.InvalidOperationException: certificate: '0A38CB4B920B2FE107051C32EBE7BA898CCE0441' not found in certificate store
   at Microsoft.Extensions.DependencyInjection.IdentityServerBuilderExtensionsCrypto.AddSigningCredential(IIdentityServerBuilder builder, String name, StoreLocation location, NameType nameType, String signingAlgorithm)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.SignWithStoreCertificate(IIdentityServerBuilder builder, SigningCredentialStores storeLocation)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration, String dbConnection, ILogger`1 _logger, IHostEnvironment environment)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)

原因

appsettings.Production.json 文件声明的存储中找不到证书,或者应用程序池无法访问证书的私钥。
重要提示:

从 Windows 证书查看器复制指纹时,请确保未插入不可见字符。

解决方案

1. 确保证书包含在 appsettings.Production.json 文件的证书存储中。
在此示例中,应用程序在 LocalMachine 位置查找具有 0A38CB4B920B2FE107051C32EBE7BA898CCE0441 指纹的证书。
"SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0441",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }"SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0441",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }

有关详细信息,请参阅“私钥证书”页面。

2. 确保运行应用程序池的用户具有私钥的访问权限。

3. 在 IIS 中重新启动 Orchestrator。

此外,请查看“安装后更改证书”部分,了解详细信息。

500.30 ASP.NET Core app failed to start - Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: The parameter is incorrect

异常

Exception Info: System.AggregateException: One or more errors occurred. (The parameter is incorrect.)
 ---> Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: The parameter is incorrect.
   at System.Security.Cryptography.RSACng.EncryptOrDecrypt(SafeNCryptKeyHandle key, ReadOnlySpan`1 input, AsymmetricPaddingMode paddingMode, Void* paddingInfo, Boolean encrypt)
   at System.Security.Cryptography.RSACng.EncryptOrDecrypt(Byte[] data, RSAEncryptionPadding padding, Boolean encrypt)
   at System.Security.Cryptography.RSACng.Decrypt(Byte[] data, RSAEncryptionPadding padding)
   at UiPath.IdentityServer.Web.Extensions.Utils.ConfigCryptoProvider.DecryptKey(String encryptedString)
   at UiPath.IdentityServer.Web.Extensions.Configuration.AppSettingsConfigInitializer.LoadEncryptedAppSettings(IHostEnvironment env, IConfiguration configuration, AppSettings settings, ConnectionStrings& dbConnection, ILogger logger)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.AggregateException: One or more errors occurred. (The parameter is incorrect.)
 ---> Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: The parameter is incorrect.
   at System.Security.Cryptography.RSACng.EncryptOrDecrypt(SafeNCryptKeyHandle key, ReadOnlySpan`1 input, AsymmetricPaddingMode paddingMode, Void* paddingInfo, Boolean encrypt)
   at System.Security.Cryptography.RSACng.EncryptOrDecrypt(Byte[] data, RSAEncryptionPadding padding, Boolean encrypt)
   at System.Security.Cryptography.RSACng.Decrypt(Byte[] data, RSAEncryptionPadding padding)
   at UiPath.IdentityServer.Web.Extensions.Utils.ConfigCryptoProvider.DecryptKey(String encryptedString)
   at UiPath.IdentityServer.Web.Extensions.Configuration.AppSettingsConfigInitializer.LoadEncryptedAppSettings(IHostEnvironment env, IConfiguration configuration, AppSettings settings, ConnectionStrings& dbConnection, ILogger logger)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)

原因

修改了 appsettings.Production.json 文件但未解密。

解决方案

1. 使用“加密 AppSettings.Production.json”页面“解密”部分中的命令解密 appsettings.Production.json文件。
2. 更新 appsettings.Production.json 文件。
3. 加密 appsettings.Production.json 文件。

500.30 ASP.NET Core app failed to start - System.NullReferenceException: Object reference not set to an instance of an object at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential

异常

Exception Info: System.AggregateException: One or more errors occurred. (Object reference not set to an instance of an object.) ---> System.NullReferenceException: Object reference not set to an instance of an object.
 at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
 at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration, String dbConnection, ILogger`1 _logger, IHostEnvironment environment)
 at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services) --- End of inner exception stack trace ---
 at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
 at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
 at System.Threading.Tasks.Task.Wait()
 at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
 at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.AggregateException: One or more errors occurred. (Object reference not set to an instance of an object.) ---> System.NullReferenceException: Object reference not set to an instance of an object.
 at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
 at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration, String dbConnection, ILogger`1 _logger, IHostEnvironment environment)
 at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services) --- End of inner exception stack trace ---
 at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
 at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
 at System.Threading.Tasks.Task.Wait()
 at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
 at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args)  

原因

未在 appsettings.Production.json 或 Azure 应用程序服务设置中配置 SigningCredentialSettings 属性。

ASPNET_ENVIRONMENT 环境变量设置为 Production 以外的变量,这可防止从 appsettings.Production.json 读取设置。

解决方案

对于 Windows 服务器

确保 appsettings.Production.json 文件包含 SigningCredentialSettings 部分。示例:
"AppSettings": {
    [...]
    "SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0446",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }
    }  "AppSettings": {
    [...]
    "SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0446",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }
    }

对于 Azure 应用程序服务

确保正确配置了“发布到 Identity Server”页面第 5 步中列出的设置。

500.30 ASP.NET Core app failed to start - Microsoft.Data.SqlClient.SqlException (0x80131904): Login failed for user 'USERNAME'

异常

Exception Info: System.AggregateException: One or more errors occurred. (Login failed for user 'USERNAME'.) ---> Microsoft.Data.SqlClient.SqlException (0x80131904): Login failed for user 'USERNAME'.
 at Microsoft.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
 at Microsoft.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
 at Microsoft.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
 at Microsoft.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, Boolean applyTransientFaultHandling, String accessToken, DbConnectionPool pool)
 at Microsoft.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
 at Microsoft.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry, SqlConnectionOverrides overrides)
 at Microsoft.Data.SqlClient.SqlConnection.Open(SqlConnectionOverrides overrides)
 at Microsoft.Data.SqlClient.SqlConnection.Open()
 at UiPath.IdentityServer.Infrastructure.Data.SqlDatabaseFeatures.GetSqlServerEdition()
 at UiPath.IdentityServer.Infrastructure.Data.SqlDatabaseFeatures.OnlineIndexOperationsSupported(String edition)
 at UiPath.IdentityServer.Infrastructure.Data.ApplicationContext.SetDatabaseFeatures(Boolean onlineIndexOperationsEnabled, String connectionName, String connectionString)
 at UiPath.IdentityServer.Infrastructure.Data.ApplicationContext.SetSwitches(Boolean onlineIndexOperationsEnabled, String connectionName, String connectionStrings)
 at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services) ClientConnectionId:5ae3b113-df69-484f-a02e-03d7fc6b8889 Error Number:18456,State:1,Class:14 --- End of inner exception stack trace ---
 at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
 at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
 at System.Threading.Tasks.Task.Wait()
 at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
 at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.AggregateException: One or more errors occurred. (Login failed for user 'USERNAME'.) ---> Microsoft.Data.SqlClient.SqlException (0x80131904): Login failed for user 'USERNAME'.
 at Microsoft.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
 at Microsoft.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
 at Microsoft.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
 at Microsoft.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
 at Microsoft.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, Boolean applyTransientFaultHandling, String accessToken, DbConnectionPool pool)
 at Microsoft.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
 at Microsoft.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
 at Microsoft.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
 at Microsoft.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry, SqlConnectionOverrides overrides)
 at Microsoft.Data.SqlClient.SqlConnection.Open(SqlConnectionOverrides overrides)
 at Microsoft.Data.SqlClient.SqlConnection.Open()
 at UiPath.IdentityServer.Infrastructure.Data.SqlDatabaseFeatures.GetSqlServerEdition()
 at UiPath.IdentityServer.Infrastructure.Data.SqlDatabaseFeatures.OnlineIndexOperationsSupported(String edition)
 at UiPath.IdentityServer.Infrastructure.Data.ApplicationContext.SetDatabaseFeatures(Boolean onlineIndexOperationsEnabled, String connectionName, String connectionString)
 at UiPath.IdentityServer.Infrastructure.Data.ApplicationContext.SetSwitches(Boolean onlineIndexOperationsEnabled, String connectionName, String connectionStrings)
 at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services) ClientConnectionId:5ae3b113-df69-484f-a02e-03d7fc6b8889 Error Number:18456,State:1,Class:14 --- End of inner exception stack trace ---
 at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
 at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
 at System.Threading.Tasks.Task.Wait()
 at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
 at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
 at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
 at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
 at UiPath.IdentityServer.Web.Program.Main(String[] args)
 at UiPath.IdentityServer.Web.Program.<Main>(String[] args) 

原因

appsettings.Production.json 文件的配置字符串包含错误的密码。

解决方案

1. 更正 appsettings.Production.json 文件中的连接字符串密码。

2. 在 IIS 中重新启动 Orchestrator。

500.30 ASP.NET Core app failed to start - System.InvalidOperationException: Signing credentails settings is invalid

异常

Exception Info: System.AggregateException: One or more errors occurred. (Signing credentails settings is invalid.)
 ---> System.InvalidOperationException: Signing credentails settings is invalid.
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.AggregateException: One or more errors occurred. (Signing credentails settings is invalid.)
 ---> System.InvalidOperationException: Signing credentails settings is invalid.
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddSigningCredential(IIdentityServerBuilder builder, SigningCredentialSettings settings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Extensions.Configuration.IdentityServerExtensions.AddAndConfigureIdentityServer(IServiceCollection services, AppSettings appSettings, IConfiguration configuration)
   at UiPath.IdentityServer.Web.Startup.ConfigureServicesAsync(IServiceCollection services)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at UiPath.IdentityServer.Web.Startup.ConfigureServices(IServiceCollection services)
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.MethodInfoExtensions.InvokeWithoutWrappingExceptions(MethodInfo methodInfo, Object obj, Object[] parameters)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder`1.<>c__DisplayClass14_0.<ConfigureServices>g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.WebHost.EnsureApplicationServices()
   at Microsoft.AspNetCore.Hosting.WebHost.Initialize()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)

原因

未在 appsettings.Production.json 中配置 SigningCredentialSettings 属性。

ASPNET_ENVIRONMENT 环境变量设置为 Production 以外的变量,这可防止从 appsettings.Production.json 读取设置。

解决方案

1. 确保 appsettings.Production.json 文件包含 SigningCredentialSettings 部分。示例:
"AppSettings": {
    [...]
    "SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0446",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }
    }  "AppSettings": {
    [...]
    "SigningCredentialSettings": {
      "StoreLocation": {
        "Name": "0A38CB4B920B2FE107051C32EBE7BA898CCE0446",
        "Location": "LocalMachine",
        "NameType": "Thumbprint"
      }
    }

2. 从提升的命令行接口运行以下命令:

setx ASPNETCORE_ENVIRONMENT Productionsetx ASPNETCORE_ENVIRONMENT Production

3. 在 IIS 中重新启动 Orchestrator。

500.30 ASP.NET Core app failed to start - System.IO.FileNotFoundException: Could not load file or assembly 'System.Threading.Tasks'

异常

Exception Info: System.IO.FileNotFoundException: Could not load file or assembly 'System.Threading.Tasks, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
File name: 'System.Threading.Tasks, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at Dynatrace.OneAgent.Introspection.TaskEventHandler.NotifyCreated(Object taskObject, Object stateObject)
   at System.Threading.Tasks.Task`1..ctor()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.InitializeTaskAsPromise()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetException(Exception exception)
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)Exception Info: System.IO.FileNotFoundException: Could not load file or assembly 'System.Threading.Tasks, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
File name: 'System.Threading.Tasks, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at Dynatrace.OneAgent.Introspection.TaskEventHandler.NotifyCreated(Object taskObject, Object stateObject)
   at System.Threading.Tasks.Task`1..ctor()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.InitializeTaskAsPromise()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetException(Exception exception)
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at UiPath.IdentityServer.Web.Program.Main(String[] args)
   at UiPath.IdentityServer.Web.Program.<Main>(String[] args)

原因

此问题是由负责应用程序性能监控 (APM) 的 Dynatrace 代理引起。

解决方案

升级到最新的独立版本或支持的最低版本。有关详细信息,请参阅产品生命周期页面。

禁用 AppInsights、Dynatrace、NewRelic、DataDug。

500.30 ASP.NET Core app failed to start - System.TypeInitializationException: The system cannot find the file specified. File name: 'System.Runtime'

异常

Application: w3wp.exe CoreCLR Version: 5.0.1221.52207 .NET Version: 5.0.12 
Description: The process was terminated due to an unhandled exception. 
Exception Info: System.TypeInitializationException: The type initializer for '<Module>' threw an exception. 
---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. 
The system cannot find the file specified. File name: 'System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' at .cctor() --- End of inner exception stack trace ---</Application: w3wp.exe CoreCLR Version: 5.0.1221.52207 .NET Version: 5.0.12 
Description: The process was terminated due to an unhandled exception. 
Exception Info: System.TypeInitializationException: The type initializer for '<Module>' threw an exception. 
---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. 
The system cannot find the file specified. File name: 'System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' at .cctor() --- End of inner exception stack trace ---</

原因

此问题由用于应用程序性能监控 (APM) 的 Dynatrace OneAgent 引起。

解决方案

升级到最新的独立版本或支持的最低版本。有关详细信息,请参阅产品生命周期页面。

禁用 AppInsights、Dynatrace、NewRelic、DataDug。

500.30 ASP.NET Core app failed to start - FileNotFoundException*Could not load file or assembly 'System.Text.Encoding'

异常

2022-03-24 14:55:22.7046 Microsoft.AspNetCore.Server.IIS.Core.IISHttpServer Connection ID "17582052951159996422", Request ID "80000007-0001-f400-b63f-84710c7967bb": An unhandled exception was thrown by the application. FileNotFoundException*Could not load file or assembly 'System.Text.Encoding, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.*
 at  Dynatrace.OneAgent.Introspection.NewAspNetCoreTracingMiddleware.CreateIHttpContext(HttpContext context)
 at  Dynatrace.OneAgent.Introspection.Shared.NewAspNetCoreTracingMiddlewareBase`1.Invoke(Context context)
 at  Microsoft.AspNetCore.Server.IIS.Core.IISHttpContextOfT`1.ProcessRequestAsync()2022-03-24 14:55:22.7046 Microsoft.AspNetCore.Server.IIS.Core.IISHttpServer Connection ID "17582052951159996422", Request ID "80000007-0001-f400-b63f-84710c7967bb": An unhandled exception was thrown by the application. FileNotFoundException*Could not load file or assembly 'System.Text.Encoding, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.*
 at  Dynatrace.OneAgent.Introspection.NewAspNetCoreTracingMiddleware.CreateIHttpContext(HttpContext context)
 at  Dynatrace.OneAgent.Introspection.Shared.NewAspNetCoreTracingMiddlewareBase`1.Invoke(Context context)
 at  Microsoft.AspNetCore.Server.IIS.Core.IISHttpContextOfT`1.ProcessRequestAsync()

原因

此问题是由负责应用程序性能监控 (APM) 的 Dynatrace 代理引起。

解决方案

升级到最新的独立版本或支持的最低版本。有关详细信息,请参阅产品生命周期页面。

禁用 AppInsights、Dynatrace、NewRelic、DataDug。

500.30 ASP.NET Core app failed to start - SqlException (0x80131904): Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement

异常

Application: w3wp.exe CoreCLR Version: 6.0.922.41905 .NET Version: 6.0.9 Description: The process was terminated due to an unhandled exception. Exception Info: System.Data.Entity.Core.EntityException: The underlying provider failed on Open. ---> Microsoft.Data.SqlClient.SqlException (0x80131904): Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake failed or the server was unable to respond back in time. The duration spent while attempting to connect to this server was - [Pre-Login] initialization=21041; handshake=0; ---> System.ComponentModel.Win32Exception (258): The wait operation timed out. at bool Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, uint waitForMultipleObjectsTimeout, bool allowCreate, bool onlyOneCheckConnection, DbConnectionOptions userOptions, out DbConnectionInternal connection) at void Microsoft.Data.ProviderBase.DbConnectionPool.WaitForPendingOpen() at void System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy+<>c__DisplayClass4_0+<<ExecuteAsync>b__0>d.MoveNext() in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 67 at async Task<TResult> System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.ExecuteAsyncImplementation<TResult>(Func<Task<TResult>> func) in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 85
 at void System.Data.Entity.Utilities.TaskExtensions+CultureAwaiter.GetResult()
 at async Task System.Data.Entity.Core.EntityClient.EntityConnection.OpenAsync(CancellationToken cancellationToken) ClientConnectionId:7adb755f-b116-4a08-8835-589603d1e3e6 Error Number:-2,State:0,Class:11 --- End of inner exception stack trace ---
 at System.Data.Entity.Core.EntityClient.EntityConnection.OpenAsync(CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.EnsureConnectionAsync(Boolean shouldMonitorTransactions, CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransactionAsync[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess, CancellationToken cancellationToken)
 at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.ExecuteAsyncImplementation[TResult](Func`1 func) in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 85
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreQueryReliablyAsync[TElement](String commandText, String entitySetName, ExecutionOptions executionOptions, CancellationToken cancellationToken, IDbExecutionStrategy executionStrategy, Object[] parameters)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Internal.LazyAsyncEnumerator`1.FirstMoveNextAsync(CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Infrastructure.IDbAsyncEnumerableExtensions.SingleAsync[TSource](IDbAsyncEnumerable`1 source, CancellationToken cancellationToken)
 at UiPath.Orchestrator.DataAccess.Common.Abstractions.BaseDatabaseCommands`1.LockTransactionAsync(String resource, Nullable`1 lockTimeout)
 at UiPath.Orchestrator.UpdateServer.Domain.Managers.SystemSchedulesManager.AddOrUpdateScheduleAsync[THandler,TArgs](String name, String cronExpression)
 at UiPath.Orchestrator.UpdateServer.Domain.Managers.SystemSchedulesManager.InitializeSystemSchedulesAsync()
 at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException(Task task)
 at Nito.AsyncEx.AsyncContext.<>c__DisplayClass15_0.<Run>b__0(Task t)
 at System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke()
 at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location ---
 at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --- End of stack trace from previous location ---
 at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException(Task task)
 at Nito.AsyncEx.AsyncContext.Run(Func`1 action)
 at Abp.Threading.AsyncHelper.RunSync(Func`1 action)
 at UiPath.Orchestrator.UpdateServer.UpdateServerModule.PostInitialize()
 at Abp.Modules.AbpModuleManager.<>c.<StartModules>b__15_2(AbpModuleInfo module)
 at System.Collections.Generic.List`1.ForEach(Action`1 action)
 at Abp.Modules.AbpModuleManager.StartModules()
 at Abp.AbpBootstrapper.Initialize()
 at Abp.AspNetCore.AbpApplicationBuilderExtensions.InitializeAbp(IApplicationBuilder app)
 at Abp.AspNetCore.AbpApplicationBuilderExtensions.UseAbp(IApplicationBuilder app)
 at UiPath.Orchestrator.Startup.Startup.Configure(IApplicationBuilder app, IApiVersionDescriptionProvider apiVersionProvider, VersionedODataModelBuilder modelBuilder, IServiceProvider serviceProvider)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Span`1& arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder)
 at Microsoft.AspNetCore.Hosting.ConfigureBuilder.<>c__DisplayClass4_0.<Build>b__0(IApplicationBuilder builder)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.Configure(IApplicationBuilder app)
 at Microsoft.Extensions.DependencyInjection.AutoRegisterMiddleware.<>c__DisplayClass4_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Mvc.Filters.MiddlewareFilterBuilderStartupFilter.<>c__DisplayClass0_0.<Configure>g__MiddlewareFilterBuilder|0(IApplicationBuilder builder)
 at Microsoft.ApplicationInsights.AspNetCore.ApplicationInsightsStartupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Server.IIS.Core.IISServerSetupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Server.IIS.Core.IISServerSetupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.HostFilteringStartupFilter.<>c__DisplayClass0_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Hosting.WebHost.BuildApplication()
 at Microsoft.AspNetCore.Hosting.WebHost.StartAsync(CancellationToken cancellationToken)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String startupMessage)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String startupMessage)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token)
 at UiPath.Orchestrator.Startup.Program.Main(String[] args)
 at UiPath.Orchestrator.Startup.Program.<Main>(String[] args)Application: w3wp.exe CoreCLR Version: 6.0.922.41905 .NET Version: 6.0.9 Description: The process was terminated due to an unhandled exception. Exception Info: System.Data.Entity.Core.EntityException: The underlying provider failed on Open. ---> Microsoft.Data.SqlClient.SqlException (0x80131904): Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake failed or the server was unable to respond back in time. The duration spent while attempting to connect to this server was - [Pre-Login] initialization=21041; handshake=0; ---> System.ComponentModel.Win32Exception (258): The wait operation timed out. at bool Microsoft.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, uint waitForMultipleObjectsTimeout, bool allowCreate, bool onlyOneCheckConnection, DbConnectionOptions userOptions, out DbConnectionInternal connection) at void Microsoft.Data.ProviderBase.DbConnectionPool.WaitForPendingOpen() at void System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy+<>c__DisplayClass4_0+<<ExecuteAsync>b__0>d.MoveNext() in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 67 at async Task<TResult> System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.ExecuteAsyncImplementation<TResult>(Func<Task<TResult>> func) in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 85
 at void System.Data.Entity.Utilities.TaskExtensions+CultureAwaiter.GetResult()
 at async Task System.Data.Entity.Core.EntityClient.EntityConnection.OpenAsync(CancellationToken cancellationToken) ClientConnectionId:7adb755f-b116-4a08-8835-589603d1e3e6 Error Number:-2,State:0,Class:11 --- End of inner exception stack trace ---
 at System.Data.Entity.Core.EntityClient.EntityConnection.OpenAsync(CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.EnsureConnectionAsync(Boolean shouldMonitorTransactions, CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransactionAsync[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess, CancellationToken cancellationToken)
 at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.ExecuteAsyncImplementation[TResult](Func`1 func) in /_/src/ErikEJ.EntityFramework.SqlServer/DefaultSqlExecutionStrategy.cs:line 85
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreQueryReliablyAsync[TElement](String commandText, String entitySetName, ExecutionOptions executionOptions, CancellationToken cancellationToken, IDbExecutionStrategy executionStrategy, Object[] parameters)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Internal.LazyAsyncEnumerator`1.FirstMoveNextAsync(CancellationToken cancellationToken)
 at System.Data.Entity.Utilities.TaskExtensions.CultureAwaiter`1.GetResult()
 at System.Data.Entity.Infrastructure.IDbAsyncEnumerableExtensions.SingleAsync[TSource](IDbAsyncEnumerable`1 source, CancellationToken cancellationToken)
 at UiPath.Orchestrator.DataAccess.Common.Abstractions.BaseDatabaseCommands`1.LockTransactionAsync(String resource, Nullable`1 lockTimeout)
 at UiPath.Orchestrator.UpdateServer.Domain.Managers.SystemSchedulesManager.AddOrUpdateScheduleAsync[THandler,TArgs](String name, String cronExpression)
 at UiPath.Orchestrator.UpdateServer.Domain.Managers.SystemSchedulesManager.InitializeSystemSchedulesAsync()
 at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException(Task task)
 at Nito.AsyncEx.AsyncContext.<>c__DisplayClass15_0.<Run>b__0(Task t)
 at System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke()
 at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location ---
 at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --- End of stack trace from previous location ---
 at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException(Task task)
 at Nito.AsyncEx.AsyncContext.Run(Func`1 action)
 at Abp.Threading.AsyncHelper.RunSync(Func`1 action)
 at UiPath.Orchestrator.UpdateServer.UpdateServerModule.PostInitialize()
 at Abp.Modules.AbpModuleManager.<>c.<StartModules>b__15_2(AbpModuleInfo module)
 at System.Collections.Generic.List`1.ForEach(Action`1 action)
 at Abp.Modules.AbpModuleManager.StartModules()
 at Abp.AbpBootstrapper.Initialize()
 at Abp.AspNetCore.AbpApplicationBuilderExtensions.InitializeAbp(IApplicationBuilder app)
 at Abp.AspNetCore.AbpApplicationBuilderExtensions.UseAbp(IApplicationBuilder app)
 at UiPath.Orchestrator.Startup.Startup.Configure(IApplicationBuilder app, IApiVersionDescriptionProvider apiVersionProvider, VersionedODataModelBuilder modelBuilder, IServiceProvider serviceProvider)
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Span`1& arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder)
 at Microsoft.AspNetCore.Hosting.ConfigureBuilder.<>c__DisplayClass4_0.<Build>b__0(IApplicationBuilder builder)
 at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.Configure(IApplicationBuilder app)
 at Microsoft.Extensions.DependencyInjection.AutoRegisterMiddleware.<>c__DisplayClass4_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Mvc.Filters.MiddlewareFilterBuilderStartupFilter.<>c__DisplayClass0_0.<Configure>g__MiddlewareFilterBuilder|0(IApplicationBuilder builder)
 at Microsoft.ApplicationInsights.AspNetCore.ApplicationInsightsStartupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Server.IIS.Core.IISServerSetupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Server.IIS.Core.IISServerSetupFilter.<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.HostFilteringStartupFilter.<>c__DisplayClass0_0.<Configure>b__0(IApplicationBuilder app)
 at Microsoft.AspNetCore.Hosting.WebHost.BuildApplication()
 at Microsoft.AspNetCore.Hosting.WebHost.StartAsync(CancellationToken cancellationToken)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String startupMessage)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String startupMessage)
 at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token)
 at UiPath.Orchestrator.Startup.Program.Main(String[] args)
 at UiPath.Orchestrator.Startup.Program.<Main>(String[] args) 

原因

更新服务器连接字符串的 MultiSubnetFailover 参数未设置为 true

解决方案

1. 更正所有连接字符串,以将其 MultiSubnetFailover 参数设置为 true

2. 在 IIS 中重新启动 Orchestrator。

500.30 ASP.NET Core app failed to start - Managed server didn't initialize after X ms

异常

Application '/LM/W3SVC/1/ROOT' with physical root 'C:\Program Files (x86)\UiPath\APPLICATIONNAME\' failed to load coreclr. Exception message:
Managed server didn't initialize after X ms.Application '/LM/W3SVC/1/ROOT' with physical root 'C:\Program Files (x86)\UiPath\APPLICATIONNAME\' failed to load coreclr. Exception message:
Managed server didn't initialize after X ms.

原因

在受 CPU 使用率和内存消耗偏高影响的环境中,启动时间限制可能会受到限制,并导致停机。

解决方案

升级到 20.10.5 及更高版本,以将启动时间限制增加到 300 秒。

如果这还不够,则意味着服务器正在尝试执行某些操作,并且存在死锁。当 EnableMigrations 参数设置为 True 时,通常就会出现这种情况,并且有一个大型迁移挂起主线程。
如果该标志设置为 False,请收集内存转储,并将其提交给客户代表。

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