client/server gurobi version

Answered

Hessamodin Teimouri

• February 03, 2021 02:36

Hey there, 

I am trying to run my LP code which is written in python (v 3.8) using gurobipy (installed via anaconda) by connecting it to the instance of gurobi solver we have on azure. It fails to run a simple script and to me it seems the following is the issue:

- the version of the client software is 9.1.1 and the one on server is 9.0. I don’t think we can upgrade the server since it will cause issues for others and I cannot downgrade the client side since on anaconda channel, 9.1.1 is the only available version. 

Any thought on how to fix this?

Thank you so much!!
Hessam 

1

• 

  Matthias Miltenberger

  Gurobi Staff

  • February 03, 2021 09:33

  Hi Hessam,

  You cannot use newer Gurobi clients with an older Gurobi Compute Server. You need to downgrade your client version. This can be done by running

  conda install -c gurobi gurobi=9.0

  You may need to uninstall your previous Gurobi version first.

  Cheers,
  Matthias

  0

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