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  1. System.Data.Entity.Core.ProviderIncompatibleException: An error occurred while getting provider information from the database. This can be caused by Entity Framework using an incorrect connection string. Check the inner exceptions for details and ensure that the connection string is correct. ---> System.Data.Entity.Core.ProviderIncompatibleException: The provider did not return a ProviderManifestToken string. ---> System.Net.Sockets.SocketException: This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server
  2. at System.Net.Dns.GetAddrInfo(String name)
  3. at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)
  4. at System.Net.Dns.GetHostAddresses(String hostNameOrAddress)
  5. at Npgsql.NpgsqlConnector.Connect(NpgsqlTimeout timeout)
  6. at Npgsql.NpgsqlConnector.<RawOpen>d__139.MoveNext()
  7. --- End of stack trace from previous location where exception was thrown ---
  8. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  9. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  10. at Npgsql.NpgsqlConnector.<Open>d__136.MoveNext()
  11. --- End of stack trace from previous location where exception was thrown ---
  12. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  13. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  14. at Npgsql.NpgsqlConnection.<Open>d__28.MoveNext()
  15. --- End of stack trace from previous location where exception was thrown ---
  16. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  17. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  18. at Npgsql.NpgsqlConnection.Open()
  19. at Npgsql.NpgsqlServices.UsingPostgresDBConnection(NpgsqlConnection connection, Action`1 action)
  20. at Npgsql.NpgsqlServices.GetDbProviderManifestToken(DbConnection connection)
  21. at System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection)
  22. --- End of inner exception stack trace ---
  23. at System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection)
  24. at System.Data.Entity.Utilities.DbProviderServicesExtensions.GetProviderManifestTokenChecked(DbProviderServices providerServices, DbConnection connection)
  25. ...
  26.  
  27. System.InvalidOperationException: An exception has been raised that is likely due to a transient failure. ---> Npgsql.NpgsqlException: Exception while reading from stream ---> System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
  28. at System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult)
  29. at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult)
  30. --- End of inner exception stack trace ---
  31. at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult)
  32. at System.Threading.Tasks.TaskFactory`1.FromAsyncTrimPromise`1.Complete(TInstance thisRef, Func`3 endMethod, IAsyncResult asyncResult, Boolean requiresSynchronization)
  33. --- End of stack trace from previous location where exception was thrown ---
  34. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  35. at Npgsql.ReadBuffer.<Ensure>d__27.MoveNext()
  36. --- End of inner exception stack trace ---
  37. at Npgsql.ReadBuffer.<Ensure>d__27.MoveNext()
  38. --- End of stack trace from previous location where exception was thrown ---
  39. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  40. at Npgsql.NpgsqlConnector.<DoReadMessage>d__148.MoveNext()
  41. --- End of stack trace from previous location where exception was thrown ---
  42. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  43. at Npgsql.NpgsqlConnector.<ReadPrependedMessages>d__150.MoveNext()
  44. --- End of stack trace from previous location where exception was thrown ---
  45. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  46. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  47. at Npgsql.NpgsqlConnector.<ReadMessage>d__147.MoveNext()
  48. --- End of stack trace from previous location where exception was thrown ---
  49. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  50. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  51. at Npgsql.NpgsqlConnector.<ReadExpecting>d__154`1.MoveNext()
  52. --- End of stack trace from previous location where exception was thrown ---
  53. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  54. at Npgsql.NpgsqlDataReader.<NextResult>d__32.MoveNext()
  55. --- End of stack trace from previous location where exception was thrown ---
  56. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  57. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  58. at Npgsql.NpgsqlDataReader.<<NextResultAsync>b__31_0>d.MoveNext()
  59. --- End of stack trace from previous location where exception was thrown ---
  60. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  61. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  62. at Npgsql.NpgsqlCommand.<Execute>d__71.MoveNext()
  63. --- End of stack trace from previous location where exception was thrown ---
  64. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  65. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  66. at Npgsql.NpgsqlCommand.<ExecuteDbDataReader>d__92.MoveNext()
  67. --- End of stack trace from previous location where exception was thrown ---
  68. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  69. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  70. at Npgsql.NpgsqlCommand.<>c__DisplayClass90_0.<<ExecuteDbDataReaderAsync>b__0>d.MoveNext()
  71. --- End of stack trace from previous location where exception was thrown ---
  72. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  73. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  74. at Microsoft.EntityFrameworkCore.Storage.Internal.RelationalCommand.<ExecuteAsync>d__17.MoveNext()
  75. --- End of stack trace from previous location where exception was thrown ---
  76. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  77. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  78. at Microsoft.EntityFrameworkCore.Query.Internal.AsyncQueryingEnumerable`1.AsyncEnumerator.<BufferlessMoveNext>d__12.MoveNext()
  79. --- End of stack trace from previous location where exception was thrown ---
  80. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  81. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  82. at Microsoft.EntityFrameworkCore.Storage.Internal.NpgsqlExecutionStrategy.<ExecuteAsync>d__7`2.MoveNext()
  83. --- End of inner exception stack trace ---
  84. at Microsoft.EntityFrameworkCore.Storage.Internal.NpgsqlExecutionStrategy.<ExecuteAsync>d__7`2.MoveNext()
  85. --- End of stack trace from previous location where exception was thrown ---
  86. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  87. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  88. at Microsoft.EntityFrameworkCore.Query.Internal.AsyncQueryingEnumerable`1.AsyncEnumerator.<MoveNext>d__11.MoveNext()
  89. --- End of stack trace from previous location where exception was thrown ---
  90. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  91. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  92. at System.Linq.AsyncEnumerable.<FirstOrDefault_>d__165`1.MoveNext()
  93. --- End of stack trace from previous location where exception was thrown ---
  94. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  95. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  96. at Microsoft.EntityFrameworkCore.Query.Internal.AsyncLinqOperatorProvider.TaskResultAsyncEnumerable`1.Enumerator.<MoveNext>d__3.MoveNext()
  97. --- End of stack trace from previous location where exception was thrown ---
  98. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  99. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  100. at System.Linq.AsyncEnumerable.SelectEnumerableAsyncIterator`2.<MoveNextCore>d__7.MoveNext()
  101. --- End of stack trace from previous location where exception was thrown ---
  102. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  103. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  104. at System.Linq.AsyncEnumerable.AsyncIterator`1.<MoveNext>d__10.MoveNext()
  105. --- End of stack trace from previous location where exception was thrown ---
  106. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  107. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  108. at Microsoft.EntityFrameworkCore.Query.Internal.AsyncLinqOperatorProvider.ExceptionInterceptor`1.EnumeratorExceptionInterceptor.<MoveNext>d__5.MoveNext()
  109. --- End of stack trace from previous location where exception was thrown ---
  110. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  111. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  112. at Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.<ExecuteSingletonAsyncQuery>d__21`1.MoveNext()
  113. --- End of stack trace from previous location where exception was thrown ---
  114. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  115. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  116. at OpenIddict.OpenIddictProvider`4.<HandleTokenRequest>d__25.MoveNext()
  117. --- End of stack trace from previous location where exception was thrown ---
  118. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  119. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  120. at System.Runtime.CompilerServices.TaskAwaiter.GetResult()
  121. at AspNet.Security.OpenIdConnect.Server.OpenIdConnectServerHandler.<InvokeTokenEndpointAsync>d__20.MoveNext()
  122. --- End of stack trace from previous location where exception was thrown ---
  123. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  124. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  125. at AspNet.Security.OpenIdConnect.Server.OpenIdConnectServerHandler.<HandleRequestAsync>d__3.MoveNext()
  126. --- End of stack trace from previous location where exception was thrown ---
  127. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  128. at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.<Invoke>d__6.MoveNext()
  129. --- End of stack trace from previous location where exception was thrown ---
  130. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  131. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  132. at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.<Invoke>d__8.MoveNext()
  133. --- End of stack trace from previous location where exception was thrown ---
  134. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  135. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  136. at Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware.<Invoke>d__5.MoveNext()
  137. --- End of stack trace from previous location where exception was thrown ---
  138. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  139. at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
  140. at Microsoft.AspNetCore.Server.IISIntegration.IISMiddleware.<Invoke>d__13.MoveNext()
  141. --- End of stack trace from previous location where exception was thrown ---
  142. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
  143. at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.<ProcessRequests>d__188`1.MoveNext()
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