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  1. AMQ Clients
  2. ENTMQCL-874

[dotnet] Disposing TcpTransportListener then reusing it fails with 'Address already in use' on Unix

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Major Major
    • 2.2.0.B2
    • 2.1.0.GA
    • amqp-dotnet-client

    • Red Hat Enterprise Linux Server release 7.5 (Maipo)
      .NET Command Line Tools (2.1.202)
      cli-netlite-core2.1.4.zip

    • Hide
      1. Create listener on the background for one message by cli-netlite-core-receiver:
        dotnet cli-netlite-core-receiver.dll --timeout 100 --recv-listen true --count 1 &
      2. Send one message to listener by cli-netlite-core-sender:
        dotnet cli-netlite-core-sender.dll --broker 0.0.0.0:5672 --count 1
      3. Create listener again - this fails with 'Address already in use':
        dotnet cli-netlite-core-receiver.dll --timeout 100 --recv-listen true --count 1
      Show
      Create listener on the background for one message by cli-netlite-core-receiver: dotnet cli-netlite-core-receiver.dll --timeout 100 --recv-listen true --count 1 & Send one message to listener by cli-netlite-core-sender: dotnet cli-netlite-core-sender.dll --broker 0.0.0.0:5672 --count 1 Create listener again - this fails with 'Address already in use': dotnet cli-netlite-core-receiver.dll --timeout 100 --recv-listen true --count 1
    • September 2018

      Socket is in TIME_WAIT state after end of the first receiver and is blocked for reuse.

      Proposed fix:
      Add line this.listenSockets[i].SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1); before Bind call in ConnectionListener.cs.

              tbish@redhat.com Timothy Bish (Inactive)
              rkubis_kafka_devexp Radim Kubis
              Radim Kubis Radim Kubis
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