Sonja Mars
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ERROR 405: Cannot reinstall license
If grbgetkey produces a message that looks like this:info : grbgetkey version 12.0.0, build v12.0.0rc1 info : Contacting Gurobi license server... error : ERROR 405: Cannot reinstall license 99999...
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Communication failed
While running grbgetkey to retrieve a license file, you might receive the error:Communication failed, check your network connection or set variable HTTPS_PROXY if you need a proxyIf your computer i...
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How does IDLETIMEOUT work?
The idle timeout allows you to set a limit on how long a Compute Server or Cloud job can sit idle before the server kills the job. Background Both Gurobi Compute Server and the Instant Cloud are ba...
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How do I resolve an "Academic Domain Error"?
While requesting a Named-User Academic license or a WLS Academic license, you may receive the following error: Academic Domain Error Your network address is not recognized as belonging to an academ...
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RStudio: Gurobi library not found
On Linux systems, the Gurobi system environment variables GUROBI_HOME and LD_LIBRARY_PATH are usually defined in your .bashrc file. This file might not be loaded by all tools and applications, incl...
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ERROR 10009: License is for 8 cores, machine has xx
After installing your license file, you might receive the message:ERROR 10009: License is for 8 cores, machine has XXFor Named-User Academic, Educational Institution Site token, and single-use lice...
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ERROR 10009: HostID mismatch
The errorERROR 10009: HostID mismatch indicates that the license file was generated for a machine with a different host ID. If the license file previously worked on the same machine, then something...
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How do I use GAMS with Gurobi?
If you have a standalone Gurobi license (free academic or commercial) and want to call Gurobi from inside GAMS, you need a Gurobi/GAMS link. You can add the paid Gurobi-Link license to your GAMS in...
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NoClassDefFoundError
When using the Gurobi Java API, you may see a java.lang.NoClassDefFoundError exception such as:java.lang.NoClassDefFoundError: gurobi/GRBExceptionjava.lang.NoClassDefFoundError: Could not initializ...
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How do I obtain a free academic license?
If you are a faculty member, student, or staff of a recognized degree-granting academic institution, you can obtain a free academic license from our website. These licenses may only be used for res...