Exception in thread "main" java.lang.UnsatisfiedLinkError: no lpsolve55j in java.library.path -


in .bashrc written:

pythonpath="${pythonpath}:$home/local/lib/python2.7/site-packages/" export pythonpath   ld_library_path="$home/local/lib/" export ld_library_path  classpath="/home/stud/qe09kyvu/local/lib/liblpsolve55j.so" export classpath

when try run command:

java -cp .:../lib/lpsolve55j.jar -djava.library.path=../liblpsolve55j.so demo

i following error:

exception in thread "main" java.lang.unsatisfiedlinkerror: no lpsolve55j in java.library.path

but don't understand error, because in .. there liblpsolve55j.so

to run lpsolver, need 2 things.

  1. platform/os specific binary listed below , should keep them in corresponding library path or export corresponding environment specific property

    • libsolve55.dll windows - either should copy these files system32 or set path ld_library_path environment variable
    • libsolve55.so linux - should copy these files /usr/local/lib or set path ld_library_path environment variable
    • libsolve55.dylib mac - should copy these files /usr/local/lib or set path ld_library_path environment variable dyld_fallback_library_path

  2. language specific wrapper invoking lp_solver method present in above binary file. java need liblpsolve55j.jnilib , lpsolve5j.o file. either location of these should added java.library.path or add them above platform-specific environment variable.

in case, seems set in step 2, missing step 1. step 1, instead of environment variable, can include path in java.library.path alreay passing. gave example below.

$ java -cp ./demo.jar:../lib/lpsolve55j.jar -djava.library.path=/users/santhoshgandhe/mac_lpsolver/lp_solve_5.5/lpsolve55/bin/osx64:/users/santhoshgandhe/mac_lpsolver/lp_solve_5.5_java/lib/mac demo


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