Problems with java interface

> I've been having trouble trying to set up the java interface for use on a
> Windows machine. Specifically, what I want to be able to do is call the
> coordinate generation routines used by obgen from within a java program, so
> I'm working with the openbabel-2.2.0b6 release.
>
> Using the OpenBabelOBF solution in Microsoft Visual C++ 2008 I've been able
> to compile the OBConsole project and get the format translation working
> from the command line. I've also set up a new project to compile obgen and
> I have this working from the command line. The OBJava project will compile,
> but when I run OBTest.java it crashes out with error;
>
> Exception in thread "main" java.lang.UnsatisfiedLinkError:
> C:\babel\src\openbabel\openbabel-2.2.0b6\scripts\java\openbabel.dll: Can't
> find dependent libraries
>        at java.lang.ClassLoader$NativeLibrary.load(Native Method)
>        at java.lang.ClassLoader.loadLibrary0(Unknown Source)
>        at java.lang.ClassLoader.loadLibrary(Unknown Source)
>        at java.lang.Runtime.loadLibrary0(Unknown Source)
>        at java.lang.System.loadLibrary(Unknown Source)
>        at OBTest.<init>(OBTest.java:5)
>        at OBTest.main(OBTest.java:17)
>
>
> Alternatively, if I use the DLLs required by babel.exe it crashes out with
> the error;
>
> Exception in thread "main" java.lang.UnsatisfiedLinkError:
> openbabelJNI.new_OBConversion__SWIG_2()J
>        at openbabelJNI.new_OBConversion__SWIG_2(Native Method)
>        at OBConversion.<init>(OBConversion.java:44)
>        at Foo.run(Foo.java:12)
>        at Foo.main(Foo.java:22)
>
> And if I use the DLL generated by solution openbabel (OpenBabelDLLD.dll), I
> get the same error.
>
> Does anyone have any suggestions for how I can solve/work around these
> problems?
>
>
> Thanks,
>
> Dave
>
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> From: Noel O'Boyle <[hidden email]>
> Subject: Re: [Open Babel] Problems with java interface
> To: "David Jessop" <[hidden email]>
> Cc: [hidden email]
> Date: Wednesday, July 2, 2008, 8:59 AM
> Hello from 20 yards away,
>
> The short term solution is to download cinfony, which
> contains an
> openbabel.jar file and all of the necessary DLLs, which you
> can use
> straightaway. It's based on a version of OpenBabel from
> a week or so
> ago. You need to set some environment variables, so look at
> cinfony.bat.
>
> With the release of OpenBabel 2.2 imminent, I haven't
> wanted to hurry
> these changes into the OpenBabel distribution, but I will
> do so
> afterwards. It's good to hear that someone is actually
> using the Java
> interface, as otherwise there isn't much of a incentive
> to tidy it up.
>
> Noel
>
> 2008/7/2 David Jessop <[hidden email]>:
> > I've been having trouble trying to set up the java
> interface for use on a
> > Windows machine. Specifically, what I want to be able
> to do is call the
> > coordinate generation routines used by obgen from
> within a java program, so
> > I'm working with the openbabel-2.2.0b6 release.
> >
> > Using the OpenBabelOBF solution in Microsoft Visual
> C++ 2008 I've been able
> > to compile the OBConsole project and get the format
> translation working
> > from the command line. I've also set up a new
> project to compile obgen and
> > I have this working from the command line. The OBJava
> project will compile,
> > but when I run OBTest.java it crashes out with error;
> >
> > Exception in thread "main"
> java.lang.UnsatisfiedLinkError:
> >
> C:\babel\src\openbabel\openbabel-2.2.0b6\scripts\java\openbabel.dll:
> Can't
> > find dependent libraries
> >        at
> java.lang.ClassLoader$NativeLibrary.load(Native Method)
> >        at java.lang.ClassLoader.loadLibrary0(Unknown
> Source)
> >        at java.lang.ClassLoader.loadLibrary(Unknown
> Source)
> >        at java.lang.Runtime.loadLibrary0(Unknown
> Source)
> >        at java.lang.System.loadLibrary(Unknown Source)
> >        at OBTest.<init>(OBTest.java:5)
> >        at OBTest.main(OBTest.java:17)
> >
> >
> > Alternatively, if I use the DLLs required by babel.exe
> it crashes out with
> > the error;
> >
> > Exception in thread "main"
> java.lang.UnsatisfiedLinkError:
> > openbabelJNI.new_OBConversion__SWIG_2()J
> >        at openbabelJNI.new_OBConversion__SWIG_2(Native
> Method)
> >        at
> OBConversion.<init>(OBConversion.java:44)
> >        at Foo.run(Foo.java:12)
> >        at Foo.main(Foo.java:22)
> >
> > And if I use the DLL generated by solution openbabel
> (OpenBabelDLLD.dll), I
> > get the same error.
> >
> > Does anyone have any suggestions for how I can
> solve/work around these
> > problems?
> >
> >
> > Thanks,
> >
> > Dave
> >
> >
> -------------------------------------------------------------------------
> > Sponsored by: SourceForge.net Community Choice Awards:
> VOTE NOW!
> > Studies have shown that voting for your favorite open
> source project,
> > along with a healthy diet, reduces your potential for
> chronic lameness
> > and boredom. Vote Now at
> http://www.sourceforge.net/community/cca08
> > _______________________________________________
> > OpenBabel-discuss mailing list
> > [hidden email]
> >
> https://lists.sourceforge.net/lists/listinfo/openbabel-discuss
> >
>
> -------------------------------------------------------------------------
> Sponsored by: SourceForge.net Community Choice Awards: VOTE
> NOW!
> Studies have shown that voting for your favorite open
> source project,
> along with a healthy diet, reduces your potential for
> chronic lameness
> and boredom. Vote Now at
> http://www.sourceforge.net/community/cca08
> _______________________________________________
> OpenBabel-discuss mailing list
> [hidden email]
> https://lists.sourceforge.net/lists/listinfo/openbabel-discuss