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Set parameter LogFile to value "gurobi.log"

Answered
Mian Bai
  • Gurobi-versary
  • First Question
  • First Comment

I download gurobi on linux(ubuntu 20.04) and follow the installation guide to modify the environment variables, and I got the license.

After that, I run "gurobi.sh" in my terminal, but it keeps telling me that 

$ gurobi.sh 
Python 3.7.14 (default, Sep 15 2022, 10:56:34) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
Set parameter LogFile to value "gurobi.log"

Maintenance expired 1970-01-01, release built 2023-01-25

 

I have checked the whole installing process many times and I have re-installed gurobi twice, but the problem still exits.Could you please tell me how to solve it? I am sincerely grateful for your help!

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7 comments

Date Votes
  • Official comment
    Simranjit Kaur
    • Gurobi Staff
    This post is more than two years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
  • Mario Ruthmair
    • Gurobi Staff

    Hi Mian,

    Could it be that the date and time on your machine is not synchronized?
    Do you already have created a license file in the Gurobi Portal?

    Best regards,
    Mario

    0
  • Mian Bai
    • Gurobi-versary
    • First Question
    • First Comment

    Thanks for your advice!

    I have checked the time and date on my machine and it's right.

    And there is no license file in my Gurobi Portal, but I got a free academic license.

    I just missed a point that there is a “MAINTEXPIRATION=1970-01-01” in my gurobi.lic. Before seeing your comment, I asked the technical staff and he/she told me to re-apply a new license. 

    As I'm writing this, I've received a new license. I am gonna try it.

    Thank you.

    0
  • Mario Ruthmair
    • Gurobi Staff

    This line should definitely not appear in your license file. I guess with a correct license file you should be fine.

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  • Mian Bai
    • Gurobi-versary
    • First Question
    • First Comment

    I really appreciate your help.🫡

    With the new license, the problem is solved.

    I can't believe such a problem has been bothering me all day.😓

    0
  • Allegra Massucci
    • Gurobi-versary
    • First Comment

    Hello! I am actually having the same problem - and it has been going on for day. I installed gurobi SEVERAL times and still got the issue. I even tried with a new license. Just to be clear, I am using a free trial one. 

    Thanks for tour help! 

    0
  • Mario Ruthmair
    • Gurobi Staff

    Hi Allegra,

    I just checked your license file in the Gurobi Portal, and it looks correct.
    Are you saying that you get a "Maintenance expired 1970-01-01 ..." error message?

    Best regards,
    Mario

    0

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