OS Error: Connection refused, errno = 111, address = 127.0.0.1, when trying to run a hello world blockchain app

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If you are running this from an Android Emulator, you might want to take a look at: SocketException: OS Error: Connection refused, errno = 111 in flutter using django backend

10.0.2.2 would point to your localhost on your host machine where ganache is running.

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zaid saeed
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zaid saeed

Updated on December 01, 2022

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  • zaid saeed
    zaid saeed over 1 year

    I'm trying to follow this GeekForGeeks tutorial on mac M1 via emulator but I'm seeing this error

    Unhandled Exception: SocketException: OS Error: Connection refused, errno = 111, address = 127.0.0.1, port = 49964
    

    when I run this line

    _credentials = await _client.credentialsFromPrivateKey(_privateKey);
    

    my ganache screenshot is this:

    enter image description here

    I have added

    <uses-permission android:name="android.permission.INTERNET" />
    

    but it's still not working.

  • Sras
    Sras almost 2 years
    what about macos and ios?