Eclipse for Mac - Logon failed - hostname unknown

Hi,

Please help. Today my logons to SAP via eclipse stopped working, I get the message "Logon to system xxx failed (hostname 'Neil's-MacBook-Pro.local' unknown)"

This was working last week.

I've tested in windows and the connections work, but I know thats not exactly comparing apples with apples.

I'm using Eclipse Neon for Mac

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3 Answers

  • Mar 23, 2017 at 09:28 AM

    Hi Mark,

    In my SAPGUI for Java logon pad I have 4 of our servers setup, on each one I'm using the advanced tab "expert mode" to define the SAP Router and Server string. As I said this worked last week and Eclipse was happy to use this info to logon to the system.

    Now strangely, it stopped working.

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    • I had the very same error when upgrading from SAP GUI for Java 731 to 740. Luckily the solution of changind etc/hosts worked for me. On a very fresh system, installing SAP GUI 740 directly worked fine. 2 weeks ago I didn't have this same problem.

  • Mar 23, 2017 at 11:12 AM

    ok, I fixed it... found a post in the archives.

    The solution is to add an entry the Macs /etc/hosts file with 127.0.0.1 and My Computer Name

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  • Mar 22, 2017 at 04:32 PM

    Hi Neil,

    Check the "Advanced" tab in the connection properties pop-up.
    On the advance tab, you should provide the following setting.

    check the “Expert Mode” and add
    conn=/H/<HOSTNAME>/S/32<INSTANCE_NO>

    eg.
    conn=/H/127.0.0.1/S/3200

    Thanks,
    Mark

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