OR-Tools, Spring Boot and Tomcat

[R2 D2]

I have OR-Tools v8.1.8487 application using Spring Boot platform.

The application works very well on spring embedded Tomcat server when run from VSCODE.

However, when I deploy .war file on standalone Tomcat v9.0.44 installation, it throws the following exception:

java.lang.UnsatisfiedLinkError: com.google.ortools.constraintsolver.mainJNI.swig_module_init()V

I have VS2019 redistributable installed.
Using Dependency Walker on jniortools.dll file I have created Tomcat's bin\setenv.bat file to set CATALINA_OPTS:

set CATALINA_OPTS=-Djava.library.path="%ProgramFiles%"\Java\jdk-12\bin;%SystemRoot%\system32;%SystemRoot%;"%CommonProgramFiles(x86)%"\Oracle\Java\javapath;%SystemRoot%\System32\Wbem;%SystemRoot%\System32\OpenSSH;

All that didn't solve the problem. I ran out of ideas. Perhaps someone came across similar problem and could share some tips.

[R2 D2]

Problem solved.

Loader.loadNativeLibraries() should be called in ServletInitializer.configure() method.

Calling it in spring boot application's main method doesn't work as it is not being called by the standalone Tomcat server.

[Laurent Perron]

nice

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

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