Aptech » Answers for "GAUSS Engine project cannot locate the mteng library" http://www.aptech.com Fri, 08 Feb 2013 19:12:28 +0000 en-US hourly 1 http://wordpress.org/?v=3.4.1 By: Aptech http://www.aptech.com/questions/gauss-engine-project-cannot-locate-the-mteng-library/#answer-3032 http://www.aptech.com/questions/gauss-engine-project-cannot-locate-the-mteng-library/#answer-3032#comments Fri, 25 Jan 2013 19:27:35 +0000 Aptech http://www.aptech.com/questions/gauss-engine-project-cannot-locate-the-mteng-library/#answer-3032 Continue reading →]]> There are a few reasons that this could happen.

  1. The Java API is going to look for the mteng.dll or mtengrt.dll in the directory to which the environment variable GEJAVA_HOME is pointing at. If neither mteng.dll or mtengrt.dll are in this directory, you will get the exception that you are receiving.
  2. If the mteng.dll or mtengrt.dll cannot find all of its dependencies, this will result in the Java API being unable to load the DLL and will also return this exception. The dependencies for the mteng.dll and mtengrt.dll fall into two categories.
    1. GAUSS provided dependencies, which include: 
      icudt44.dll
icuin44.dll
icuuc44.dll
libiomp5md.dll
libxl.dll
xls.dll
gauss.dll
pthreadVC2.dll
    2. The Windows Visual Studio C++ 2008 and 2005 redistributables.

The Windows VS redistributables can be downloaded directly from Microsoft at the following links:
 
VS 2008 32-bit
VS 2008 64-bit
VS 2005 32-bit
VS 2005 64-bit

First check the value of GEJAVA_HOME, next make sure that the directory has all the correct contents, finally install the Microsoft VS redistributable packages.

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