Gwyneth Butera

Hi Ruud - This sounds like it might be the known bug listed here: https://docs.gurobi.com/projects/optimizer/en/current/reference/releasenotes/knownbugs.htmlCan you test the workaround and see if t...

Hi John - Just to be sure, have you set the LazyContstraints parameter to 1? Thanks.

Your current setup should be sufficient to start using Gurobi with Java. The full package contains all necessary solver libraries and should work seamlessly with your existing installation. Are you...

I see that you are using Gurobi 12.0.1. Can you try with 12.0.3 and see if that changes the behavior? Thanks!

Unfortunately, I don’t have access to Gurobi 12. I only have a license for Gurobi 10.As an Academic user, you should not have this restriction.

If by parameter you mean the coefficients in the constraints and objectives, I'd suggest that you also have a look at the articles  How do I diagnose a wrong solution? How do I diagnose a suboptima...

I asked our new AI tool Gurobot to answer your question. Here is what it repliedTo obtain dual unbounded rays in Gurobi for constructing feasibility cuts in two-stage optimization problems, you nee...

Here are some suggestions from our newly updated Gurobi AI Assistant Gurobot; maybe it gives you some ideas on how to diagnose the issue.This is a known issue that can occur due to several factors ...

Also, please see our KB article How do I diagnose a wrong solution? which provides a number of tips on how to troubleshoot this type of issue. - Gwyneth

To add to what Riley said, also please be sure the code itself does not have any Gurobi license details, such as WLS API keys. -G