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Eclipse for Mac - Logon failed - hostname unknown

Mar 22, 2017 at 12:59 PM

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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

Neil Ward Mar 23, 2017 at 09:28 AM
2

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.

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Neil Ward Mar 23, 2017 at 11:12 AM
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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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Great.

Thanks,
Mark

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Former Member

Hi Neil,

Can you please advise where we have to make host file entries in MAC or SAP SERVER machine.

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Mark Saksornyuth Mar 22, 2017 at 04:32 PM
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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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