[英]MongoDB C# driver timeout
I am trying to post some data into my remote mongodb instance which is a replica set, however I am getting a timeout exception saying that the host is not found? 我试图将一些数据发布到我的远程mongodb实例,这是一个副本集,但是我得到一个超时异常,说没有找到主机? I have also read around and added ?connect=replicaSet
at the end of the connection string but this did not help. 我也读过并在连接字符串的末尾添加了?connect=replicaSet
,但这没有帮助。
Here is my connection string 这是我的连接字符串
private MongoClient client = new MongoClient("mongodb://10.250.8.1:27017,10.250.8.2:27017,10.250.8.3:27017?connect=replicaSet");
and here is the exception that has been thrown: 这是抛出的异常:
{"A timeout occured after 30000ms selecting a server using CompositeServerSelector{ Selectors = WritableServerSelector, LatencyLimitingServerSelector{ AllowedLatencyRange = 00:00:00.0150000 } }. Client view of cluster state is { ClusterId : \"1\", ConnectionMode : \"ReplicaSet\", Type : \"ReplicaSet\", State : \"Disconnected\", Servers : [{ ServerId: \"{ ClusterId : 1, EndPoint : \"Unspecified/wsmongodb001:27017\" }\", EndPoint: \"Unspecified/wsmongodb001:27017\", State: \"Disconnected\", Type: \"Unknown\", HeartbeatException: \"MongoDB.Driver.MongoConnectionException: An exception occurred while opening a connection to the server. ---> System.Net.Sockets.SocketException: No such host is known\r\n at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)\r\n at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<ConnectAsync>d__7.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<CreateStreamAsync>d__4.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n --- End of inner exception stack trace ---\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Servers.ClusterableServer.<HeartbeatAsync>d__42.MoveNext()\" }, { ServerId: \"{ ClusterId : 1, EndPoint : \"Unspecified/wsmongodb002:27017\" }\", EndPoint: \"Unspecified/wsmongodb002:27017\", State: \"Disconnected\", Type: \"Unknown\", HeartbeatException: \"MongoDB.Driver.MongoConnectionException: An exception occurred while opening a connection to the server. ---> System.Net.Sockets.SocketException: No such host is known\r\n at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)\r\n at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<ConnectAsync>d__7.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<CreateStreamAsync>d__4.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n --- End of inner exception stack trace ---\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Servers.ClusterableServer.<HeartbeatAsync>d__42.MoveNext()\" }, { ServerId: \"{ ClusterId : 1, EndPoint : \"Unspecified/wsmongodb003:27017\" }\", EndPoint: \"Unspecified/wsmongodb003:27017\", State: \"Disconnected\", Type: \"Unknown\", HeartbeatException: \"MongoDB.Driver.MongoConnectionException: An exception occurred while opening a connection to the server. ---> System.Net.Sockets.SocketException: No such host is known\r\n at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)\r\n at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<ConnectAsync>d__7.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.TcpStreamFactory.<CreateStreamAsync>d__4.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n --- End of inner exception stack trace ---\r\n at MongoDB.Driver.Core.Connections.BinaryConnection.<OpenHelperAsync>d__47.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult()\r\n at MongoDB.Driver.Core.Servers.ClusterableServer.<HeartbeatAsync>d__42.MoveNext()\" }] }."}
Here is the most important part of your error message: 以下是错误消息中最重要的部分:
Client view of cluster state is
{
ClusterId: "1",
ConnectionMode: "ReplicaSet",
Type: "ReplicaSet",
State: "Disconnected",
Servers: [{
ServerId: {
ClusterId: 1,
EndPoint: "Unspecified/wsmongodb001:27017"
},
EndPoint: "Unspecified/wsmongodb001:27017",
State: "Disconnected",
Type: "Unknown",
HeartbeatException: "[...] System.Net.Sockets.SocketException: No such host is known [...]"
}]
}
Note the "No such host is known" part of the field HeartbeatException
. 请注意HeartbeatException
字段中的“No such host is known”部分。
Your replica set is configured with host names instead of IP addresses. 您的副本集配置了主机名而不是IP地址。 Apparently, your client application cannot resolve wsmongodb001
to an IP address. 显然,您的客户端应用程序无法将wsmongodb001
解析为IP地址。
You will need to: 你需要:
mongo
shell, run rs.status()
and check that there is a primary and there are no errors. 从mongo
shell手动连接到其中一个服务器,运行rs.status()
并检查是否存在主服务器并且没有错误。 rs.conf()
are accessible to your client app. 确保客户端应用程序可以访问通过rs.conf()
在副本集中配置的所有域名。 If you are unsure if they are, just open a command prompt on the machine that runs the app and ping
every domain name. 如果您不确定它们是否存在,只需在运行该应用程序的计算机上打开命令提示符并ping
每个域名。
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