Unsatisfied link error on a simple test

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Neil Aggarwal

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Aug 11, 2025, 11:00:39 PMAug 11
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This is strange, I am getting this error:
Exception in thread "main" java.lang.UnsatisfiedLinkError: 'void
com.google.ortools.sat.mainJNI.swig_module_init()'
at com.google.ortools.sat.mainJNI.swig_module_init(Native Method)
at com.google.ortools.sat.mainJNI.<clinit>(mainJNI.java:52)
at
com.google.ortools.sat.SolutionCallback.<init>(SolutionCallback.java:119)
at
com.google.ortools.sat.CpSolverSolutionCallback.<init>(CpSolverSolutionCal
lback.java:39)
at ortools.SimpleTest.<init>(SimpleTest.java:9)
at ortools.SimpleTest.main(SimpleTest.java:32)

On a very simple test case. Please see my code attached.

Other simple tests are running.

Any idea what is happening?

Thank you,
Neil

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Neil Aggarwal, (972) 834-1565, http://www.propfinancing.com
We offer 30 year loans on single family houses!
SimpleTest.java

Laurent Perron

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Aug 11, 2025, 11:06:33 PMAug 11
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what platform ?

Laurent Perron | Operations Research | lpe...@google.com | (33) 1 42 68 53 00



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Neil Aggarwal

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Aug 11, 2025, 11:08:10 PMAug 11
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Windows 11 running Temurin JDK 24

 

Thank you,

 Neil

 

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Neil Aggarwal, (972) 834-1565, http://www.propfinancing.com

We offer 30 year loans on single family houses!

 

Laurent Perron

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Aug 12, 2025, 12:24:51 AMAug 12
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So, most likely a problem with visual studio redistributable a c++ librairies

Laurent Perron | Operations Research | lpe...@google.com | (33) 1 42 68 53 00

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Neil Aggarwal

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Aug 12, 2025, 10:15:29 AMAug 12
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> most likely a problem with visual studio redistributable a c++ librairies

 

Thanks for the info.  I split the callback into a separate class and it worked
so that is an easy workaround.

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