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MathGroup Archive 2008

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Re: "cannot find the required native library named JLinkNativeLibrary"

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91661] Re: "cannot find the required native library named JLinkNativeLibrary"
  • From: David Bailey <dave at Remove_Thisdbailey.co.uk>
  • Date: Tue, 2 Sep 2008 07:18:36 -0400 (EDT)
  • References: <g93b22$klo$1@smc.vnet.net>

tempo at iNumen.com wrote:
> I searched this error in MathGroup and I see there is one that happened 
> to Linux.
> 
> http://forums.wolfram.com/mathgroup/archive/2007/Apr/msg00078.html
> 
> It is happening to me in Windows Server 2003 x64.  I am trying to call 
> MathLinkFactory.createKernelLink()
> 
> 
>         String strArg = "-linkmode launch -linkname 'C:\\Program Files 
> (x86)\\Wolfram Research\\Mathematica\\6.0\\MathKernel.exe'";
>         KernelLink ml = null;
> 
>         try {
>             ml = MathLinkFactory.createKernelLink(strArg);
>         } catch (MathLinkException e) {
>             System.out.println("Fatal error opening link: " + 
> e.getMessage());
>             return;
>         }
> 
> 
> And I get the following error.
> 
>     Fatal error: cannot find the required native library named
>     JLinkNativeLibrary.
>     Exception in thread "main" java.lang.UnsatisfiedLinkError:
>     com.wolfram.jlink.NativeLink.MLOpenString(Ljava/lang/String;[Ljava/lang/String;)J
>         at com.wolfram.jlink.NativeLink.MLOpenString(Native Method)
>         at com.wolfram.jlink.NativeLink.<init>(NativeLink.java:113)
>         at
>     com.wolfram.jlink.MathLinkFactory.createMathLink0(MathLinkFactory.java:263)
>         at
>     com.wolfram.jlink.MathLinkFactory.createMathLink(MathLinkFactory.java:190)
>         at
>     com.wolfram.jlink.MathLinkFactory.createKernelLink0(MathLinkFactory.java:167)
>         at
>     com.wolfram.jlink.MathLinkFactory.createKernelLink(MathLinkFactory.java:65)
>         at SampleProgram.SampleProgram.main(SampleProgram.java:54)
> 
> As pointed out in the link above, calling 
> MathLinkFactory.createKernelLink(""); gives the same error.
> 
> I see that the JLinkNativeLibrary.dll is in 
> Mathematica\6.0\SystemFiles\Links\JLink\SystemFiles\Libraries\Windows-x86-64.  
> How can make JLink work without this error?
> 
> Thank you.
> 
> 
Since nobody has come up with any better suggestions, I would start by 
un-installing and re-installing Mathematica. If you still have a 
problem, I would contact Wolfram support.

David Bailey
http://www.dbaileyconsultancy.co.uk


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