Error during Eclipse update: "unable to connect to repository"

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When I try to install a new Eclipse update on "Available Software" the following error appears:

  

Unable to connect to repository link

     

Connection to download.eclipse.org refused

I have already released the firewall, but the error persists.

    
asked by anonymous 15.03.2014 / 22:24

1 answer

1

With no details about your system, internet access, and Eclipse version, there are two things you can check to try to resolve the issue:

  • Give preference to IPv4

    Based on the error message, the problem is usually related to how the connection to the download.eclipse.org server is made.

    You can add the following in your eclipse.ini (English) add the following:

     
    -vmargs -Djava.net.preferIPv4Stack=true

  • Check Port

    You can access the network settings and check which port is indicated for use:

      

    Window → Preferences → General → Network Connections

    There should be port 80 which is the default.

    You should also pay attention to the configuration of the network to know which output port (s) are authorized.

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