RabbitMQ连接错误“没有指定的端点可达”

xdnvmnnf  于 2022-11-08  发布在  RabbitMQ
关注(0)|答案(9)|浏览(227)

我在服务器和我的系统上安装了rabbitmq服务。我想使用RPC模式：

var factory = new ConnectionFactory() { 
  HostName = "158.2.14.42", 
  Port = Protocols.DefaultProtocol.DefaultPort, 
  UserName = "Administrator", 
  Password = "@server@", 
  VirtualHost = "/"
  ContinuationTimeout = new TimeSpan(10, 0, 0, 0) 
};

connection = factory.CreateConnection();

我在使用此消息创建连接时出错：
指定的终结点都不可访问
当我在服务器的localhost示例上使用它时，它工作正常，但当我创建从本地到该服务器的连接时，它返回了错误。它不工作与本地ip和我的本地计算机的用户名和密码。
有人能帮我吗？

rabbitmq

9条答案

按热度按时间
ttisahbt

ttisahbt1#

谢谢大家。
https://stackoverflow.com/questions/4987438/rabbitmq-c-sharp-connection-trouble-when-using-a-username-and-password
安装RabbitMQ后，我在服务器和本地计算机上启用了管理工具，如下所示：

rabbitmq-plugins enable rabbitmq_management

然后我从services.msc重新启动RabbitMQ服务
我可以在http://localhost:15672上看到rabbitmq管理
我登录了兔子管理系统，用户名：guest，密码：guest
我添加了我最喜欢的具有管理员访问权限的用户通行证，所以它起作用了。

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i5desfxk

i5desfxk2#

我也面临着同样的问题，后来意识到我必须打开两个端口IidoEe. 15672和5672。
下面的命令适用于我的docker容器模型。

docker run -it --rm --name mymq -p 5672:5672 -p 15672:15672 rabbitmq:3-management

程式码片段：

var factory = new RabbitMQ.Client.ConnectionFactory
            {
                Uri = new Uri("amqp://guest:guest@localhost:5672/")
            };

或

var factory = new ConnectionFactory() { HostName = "localhost" };
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wxclj1h5

wxclj1h53#

不要使用guest。创建您自己的帐户和密码，并在http：//localhost：15672/#/users中，确保“可以访问虚拟主机“为“/”

var factory = new ConnectionFactory() { 
  HostName = "192.168.1.121",
  Port = 5672,
  UserName = "fancky", 
  Password = "123456" 
};
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wlp8pajw

wlp8pajw4#

在我们的例子中，这是System.Threading.Tasks.Extensions的程序集绑定失败，我们的异常记录器没有记录InnerException

Exception information: 
    Exception type: FileLoadException 
    Exception message: Could not load file or assembly 'System.Threading.Channels, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
   at RabbitMQ.Client.Framing.Impl.AutorecoveringConnection..ctor(ConnectionFactory factory, String clientProvidedName)
   at RabbitMQ.Client.ConnectionFactory.CreateConnection(IEndpointResolver endpointResolver, String clientProvidedName) in /_/projects/RabbitMQ.Client/client/api/ConnectionFactory.cs:line 494

非常差的误导性错误消息。

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cigdeys3

cigdeys35#

这意味着客户端无法访问服务器158.2.14.42和默认的vhost /。
可能是防火墙配置

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h79rfbju

h79rfbju6#

默认情况下，正如您所说的，RabbitMQ将侦听5672，但这是可以更改的，如果您查看您的配置（在MQ服务器上），您应该会发现一个部分：
rabbit.tcp_listeners个
这将详细说明正在使用的端口。检查它是否是您认为的端口。
另外，您使用的是IPv4还是IPv6？您可能需要额外的配置才能同时支持这两种协议。
请阅读以下内容：
https://www.rabbitmq.com/networking.html

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zrfyljdw

zrfyljdw7#

1)打开RabbitMQ命令提示符
2)将路径更改为“C：\Program Files\RabbitMQ服务器\rabbitmq服务器-3.6.10\sbin”，其中安装了rabbitmq服务器。
3)运行以下命令：rabbitmq插件启用rabbitmq管理
如果防火墙已阻止它，则弹出窗口显示。允许防火墙执行此操作。
现在您可以在浏览器中访问。

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hs1rzwqc

hs1rzwqc8#

我一直在经历这个问题，最后它只是提供了小写的URI，而机器的名称是大写的。
因为花了几个小时才弄明白，我想这可能会帮助别人。

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7bsow1i6

7bsow1i69#

我使用.netcore和rabbitmq创建了一个小应用程序，并使用下面的docker-compose代码在docker中为它们创建了映像-

version: '3'
services:
rabbitmq:
container_name: rabbitmq
hostname: "rabbitmq"
image: rabbitmq:3-management
ports:
- "5672:5672"
- "15672:15672"
volumes:
- rabbitmq:/rabbitmq
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:15672"]
interval: 30s
timeout: 10s
retries: 5

isp_hub:
depends_on:
- rabbitmq
build:
context: .
dockerfile: Dockerfile
ports:
- "9090:80"

volumes:
rabbitmq:

after running the cmd docker-compose up the image is created and container is started and i am using Jmeter client to hit the container .net code is working but while trying to pass the data in queue getting below exception -

"log":"info: Microsoft.Hosting.Lifetime[0]\r\n","stream":"stdout","time":"2022-04-04T08:25:22.6109672Z"}
{"log":" Application is shutting down...\r\n","stream":"stdout","time":"2022-04-04T08:25:22.6109672Z"}
{"log":"info: Microsoft.Hosting.Lifetime[0]\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4488984Z"}
{"log":" Now listening on: http://[::]:80\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4488984Z"}
{"log":"info: Microsoft.Hosting.Lifetime[0]\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":" Application started. Press Ctrl+C to shut down.\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":"info: Microsoft.Hosting.Lifetime[0]\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":" Hosting environment: Production\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":"info: Microsoft.Hosting.Lifetime[0]\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":" Content root path: C:\app\r\n","stream":"stdout","time":"2022-04-04T08:25:38.4498991Z"}
{"log":"fail: Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher[8]\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" Failed to invoke hub method 'SendToMessageBroker'.\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" RabbitMQ.Client.Exceptions.BrokerUnreachableException: None of the specified endpoints were reachable\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" ---\u003e System.AggregateException: One or more errors occurred. (Connection failed)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" ---\u003e RabbitMQ.Client.Exceptions.ConnectFailureException: Connection failed\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" ---\u003e System.Net.Sockets.SocketException (10061): No connection could be made because the target machine actively refused it.\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at System.Threading.Tasks.ValueTask.ValueTaskSourceAsTask.\u003c\u003ec.\u003c.cctor\u003eb__4_0(Object state)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" --- End of stack trace from previous location ---\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.TcpClientAdapter.ConnectAsync(String host, Int32 port)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.TaskExtensions.TimeoutAfter(Task task, TimeSpan timeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.SocketFrameHandler.ConnectOrFail(ITcpClient socket, AmqpTcpEndpoint endpoint, TimeSpan timeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" --- End of inner exception stack trace ---\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.SocketFrameHandler.ConnectOrFail(ITcpClient socket, AmqpTcpEndpoint endpoint, TimeSpan timeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.SocketFrameHandler.ConnectUsingAddressFamily(AmqpTcpEndpoint endpoint, Func2 socketFactory, TimeSpan timeout, AddressFamily family)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"} {"log":" at RabbitMQ.Client.Impl.SocketFrameHandler.ConnectUsingIPv4(AmqpTcpEndpoint endpoint, Func2 socketFactory, TimeSpan timeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Impl.SocketFrameHandler..ctor(AmqpTcpEndpoint endpoint, Func2 socketFactory, TimeSpan connectionTimeout, TimeSpan readTimeout, TimeSpan writeTimeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"} {"log":" at RabbitMQ.Client.Framing.Impl.IProtocolExtensions.CreateFrameHandler(IProtocol protocol, AmqpTcpEndpoint endpoint, Func2 socketFactory, TimeSpan connectionTimeout, TimeSpan readTimeout, TimeSpan writeTimeout)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.ConnectionFactory.CreateFrameHandler(AmqpTcpEndpoint endpoint)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.EndpointResolverExtensions.SelectOne[T](IEndpointResolver resolver, Func2 selector)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"} {"log":" --- End of inner exception stack trace ---\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"} {"log":" at RabbitMQ.Client.EndpointResolverExtensions.SelectOne[T](IEndpointResolver resolver, Func2 selector)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.Framing.Impl.AutorecoveringConnection.Init(IEndpointResolver endpoints)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.ConnectionFactory.CreateConnection(IEndpointResolver endpointResolver, String clientProvidedName)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" --- End of inner exception stack trace ---\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.ConnectionFactory.CreateConnection(IEndpointResolver endpointResolver, String clientProvidedName)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.ConnectionFactory.CreateConnection(String clientProvidedName)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at RabbitMQ.Client.ConnectionFactory.CreateConnection()\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at ISP_Hub.HubConfig.CenterHub.SendToMessageBroker(String requestData) in C:\src\ISP_Hub\HubConfig\CenterHub.cs:line 38\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at Microsoft.Extensions.Internal.ObjectMethodExecutor.\u003c\u003ec__DisplayClass33_0.\u003cWrapVoidMethod\u003eb__0(Object target, Object[] parameters)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}
{"log":" at Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher1.ExecuteMethod(ObjectMethodExecutor methodExecutor, Hub hub, Object[] arguments)\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"} {"log":" at Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher1.\u003c\u003ec__DisplayClass16_0.\u003c\u003cInvoke\u003eg__ExecuteInvocation|0\u003ed.MoveNext()\r\n","stream":"stdout","time":"2022-04-04T08:26:55.7889752Z"}

rabbitmq connection code -

public void SendToMessageBroker(string requestData)
{
var trace = JsonConvert.DeserializeObject(requestData);
// string rabbitMqUrl = "127.0.0.1";
// var factory = new ConnectionFactory() { HostName = "172.24.17.225", Port = 5672 };
//var factory = new ConnectionFactory
//{
// HostName = rabbitMqUrl,
// UserName = "guest",
// Password = "guest",
// Port = AmqpTcpEndpoint.UseDefaultPort,
// VirtualHost = "/",
// RequestedHeartbeat = new TimeSpan(60),
// Ssl = { ServerName = rabbitMqUrl, Enabled = false }
//};
var factory = new RabbitMQ.Client.ConnectionFactory
{
Uri = new Uri("amqp://guest:guest@localhost:5672/")
};
using var conn = factory.CreateConnection();
using var channel = conn.CreateModel();
RabbitMQPublisher.Publish(channel, trace);
Clients.All.SendAsync("test");
channel.Close();
conn.Close();
Debug.WriteLine("Show Message: " + requestData);

    }
i am new to docker . please help me to understand the issue and how to resolve it
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