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Scilab help >> Java Interface > javasci FAQ

javasci FAQ

The frequently asked questions for Javasci v2

Questions / Answers

Running an application based on javasci, I get the error Exception in thread "main" java.lang.NoClassDefFoundError: org/scilab/modules/javasci/Scilab

org.scilab.modules.javasci.jar is probably not defined in the CLASSPATH. See Compile and run with javasci

The native library javasci2 does not exist or cannot be found.

java.library.path has not been set or cannot be found. Compile and run with javasci

The native library javasci2 does not exist or cannot be found even if java.library.path being set

If the error is something like: java.lang.UnsatisfiedLinkError: /path/to/scilab/lib/scilab/ cannot open shared object file: No such file or directory, try to set LD_LIBRARY_PATH to the path where Scilab native libraries are.

A Javasci program fails to start with: An exception occurred: Auto detection of SCI failed. Could not retrieve the variable SCI

SCI should be set to scilab-X.Y.Z/share/scilab/ under GNU/Linux, scilab-X.Y.Z/Contents/MacOS/share/scilab/ under Mac OS X and scilab-X.Y.Z/ under Windows.

I try to plot a graphic but the graphic never appears.

Make sure that you called the constructor (Scilab sci = new Scilab(true);) with the boolean value true. It starts Scilab in advanced mode.

I would like to attach a graphic from Javasci to an existing Swing application. I don't know how to do that?

Well. For now, it is not possible out of the box. The feature should be available in a future version of Scilab. As always, contributions are welcome!

I found the current way to manage Scilab graphic windows from javasci pretty hard. What should I do?

This is embarassing. We are aware that the current solution is far from perfect. We hope we will be able to tackle this limitation in a future release.

The Scilab instance has some external modules but fails to start with an undefined symbol:

atomsLoad: An error occurred while loading 'module-0.0.2': link : Library could not be loaded: /path/2.0-1/sci_gateway/c/../../src/cpp/ undefined symbol: scirun_ There are two potential solutions. First is to fix the module itself to build with the library providing the symbol. The second is to define the missing declared library with LD_PRELOAD=/path/to/the/lib/providing/the/symbol/

See Also


Author : Denis Nefedov posted the 20/01/2016 17:08
Advanced mode doesn't work. Ignoring my crying and obscene language. With no argument constructor = new Scilab(); works but if i add true all goes wrong.
What shoud i do?

Also, how can i get values of an double array from scilab after exec(some script). Other words, i making some mathematic things in my .sci script called in java program and i want to get a result.

Thanks a lot for a one answer at least.
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Last updated:
Mon Oct 01 17:41:12 CEST 2012