java.lang.UnsatisfiedLinkError: no xxx in java.library.path

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I using my own generated .so in docker linux but it return with

Exception in thread “main” java.lang.UnsatisfiedLinkError: no xxx in java.library.path

I print out java.library.path and my .so also included in the java.library.path

java.library.path = /usr/bin/:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib

even I run direct using

java -Djava.library.path=“/lib” -jar backend.jar

Still getting same error.

Am I missing any steps ?

thanks in advance