Re: [Quantlib-dev] Help! Quantlib Java SWIG build issue

[Luigi B. <lui...@gm...>]

Try setting the environment variable LD_LIBRARY_PATH
to /home/v574933/quantlib/qlib/lib

Luigi


On Tue, Jul 2, 2019 at 3:56 AM Tapas Banerjee via QuantLib-dev <
qua...@li...> wrote:

>
> Hi Luigi & experts,
>
> I need urgent help to build Quantlib SWIG for Java
>
> Using the step mentioned here
>  https://sourceforge.net/p/quantlib/mailman/message/19608067/
> I could build libQuantLibJNI.so, libQuantLib.so, QuantLib.jar suecssfully
>
> But while running example file, I am getting below error.. Any idea -
> what I am doing wrong and how to fix?
>
>
> _ZNK8QuantLib13TermStructure13referenceDateEv ......
>
> when I load  System.loadLibrary("QuantLibJNI");
>
>
> I created below simple example call stripping all Quantlib include, still
> getting error
>
>
> -----
> bash-4.1$  java -cp ./QuantLib.jar:.
> -Djava.library.path=/home/v574933/quantlib/qlib/lib ex.Test
> Exception in thread "main" java.lang.UnsatisfiedLinkError:
> /home/v574933/quantlib/qlib/lib/libQuantLibJNI.so:
> /home/v574933/quantlib/qlib/lib/libQuantLibJNI.so: undefined
> symbol:_ZNK8QuantLib13TermStructure13referenceDateEv
>         at java.lang.ClassLoader$NativeLibrary.load(Native Method)
>         at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1938)
>
> same error I get Quantlib examples file
> lavac -cp
> /home/v574933/quantlib/qlib/QuantLib-SWIG-1.15/Java/QuantLib.jar
> examples/FRA.java
> java -cp /home/v574933/quantlib/qlib/QuantLib-SWIG-1.15/Java/QuantLib.jar
> -Djava.library.path=/home/v574933/quantlib/qlib/lib examples.FRA
>
> ---- C++ build –
> ./configure --disable-static CXXFLAGS=-O3 --enable-sessions
> --with-boost-include=/home/v574933/quantlib/qlib/boost_1_68_0
> --with-boost-lib=/home/v574933/quantlib/qlib/boost_1_68_0/libs
> --prefix=/home/v574933/quantlib/qlib
>
>
> - Test.java -----
> package ex;
> public class Test {
>    static {  // Load QuantLib
>                 try{
>                         //System.loadLibrary("QuantLib");
>                         System.loadLibrary("QuantLibJNI");
>                 }
>                 catch (RuntimeException e) {
>                         System.err.println("Unable to load library ..");
>                         e.printStackTrace();
>                 }
>    }
>
>     public static void main(String[] args) throws Exception {
>         System.out.println("Test Pacakage..");
>     }
> }
>
> /home/v574933/quantlib/qlib/lib>  #location of lib
> bash-4.1$ ls -l lib*
> -rw-r--r-- 1 v574933 im_ad 1189200922 Jun 25 15:33 libQuantLib.a
> -rwxr-xr-x 1 v574933 im_ad   20580938 Jun 26 11:04 libQuantLibJNI.so
> -rwxr-xr-x 1 v574933 im_ad        996 Jun 27 11:27 libQuantLib.la
> lrwxrwxrwx 1 v574933 im_ad         20 Jun 27 11:27 libQuantLib.so ->
> libQuantLib.so.0.0.0
> -rwxr-xr-x 1 v574933 im_ad   42251344 Jun 27 11:27 libQuantLib.so.0.0.0
>
> Let me know if any other questions from my end.
>
> Thanks,
>
>
> Tapas
> ta...@ao...
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