[Scilab-users] Problem starting scilab on Ubuntu 18.04

[Antoine Monmayrant]

OK,


Stay tuned as what xristosp69 is describing is the same issue.
So all the workaround we will set up will apply to you.


Antoine

On 06/05/2020 12:09, Jeffrey Layton wrote:
> Antoine,
>
> I added the Scilab list back to the thread in case anyone else has 
> this problem.
>
> I agree with you. the Ubuntu packages do NOT work. I will try 
> downloading from Scilab.org.
>
> Thank you for your suggestion!
>
> Jeff
>
>
> On Wed, May 6, 2020 at 6:12 AM Antoine Monmayrant 
> <antoine.monmayrant at laas.fr <mailto:antoine.monmayrant at laas.fr>> wrote:
>
>     Hello Jeff,
>
>     It seems I have the same problem (see below).
>     I just don't use the version provided by apt-get and install
>     directly the one available on scilab.org <http://scilab.org> (6.1).
>     I assume this is a bug for the maintainer of the package for
>     ubuntu, no?
>     Does anyone know how to report it?
>
>     Antoine
>
>     //// CRASH LOG ////
>
>     /usr/bin/scilab
>     Picked up _JAVA_OPTIONS:
>     -Djava.class.path=/usr/share/java/flexdock.jar:/usr/share/java/skinlf.jar:/usr/share/java/looks.jar:/usr/share/java/commons-logging.jar:/usr/share/java/jhall.jar:/usr/share/java/lucene-core-4.10.4.jar:/usr/share/java/lucene-analyzers-common-4.10.4.jar:/usr/share/java/lucene-queryparser-4.10.4.jar:/usr/share/maven-repo/org/freehep/freehep-util/debian/freehep-util-debian.jar:/usr/share/maven-repo/org/freehep/freehep-io/debian/freehep-io-debian.jar:/usr/share/maven-repo/org/freehep/freehep-graphicsio/debian/freehep-graphicsio-debian.jar:/usr/share/java/freehep-graphicsio-emf-2.1.jar:/usr/share/java/freehep-graphics2d-2.1.1.jar:/usr/share/java/jrosetta-API.jar:/usr/share/java/jrosetta-engine-1.0.4.jar:/usr/share/java/jgraphx.jar:/usr/share/java/jogl2.jar:/usr/share/java/gluegen2-rt.jar:/usr/share/java/jeuclid-core.jar:/usr/share/java/jlatexmath-fop-1.0.7.jar:/usr/share/java/fop.jar:/usr/share/java/saxon.jar:/usr/share/java/batik.jar:/usr/share/java/xml-apis-ext.jar:/usr/share/java/commons-io.jar:/usr/share/java/xmlgraphics-commons.jar:/usr/share/java/avalon-framework.jar:/usr/share/java/jlatexmath-1.0.7.jar:/usr/share/java/ecj.jar:/usr/share/java/javax.activation.jar:/usr/share/java/jaxb-runtime.jar:/usr/share/scilab/modules/action_binding/jar/org.scilab.modules.action_binding.jar:/usr/share/scilab/modules/helptools/jar/scilab_ru_RU_help.jar:/usr/share/scilab/modules/helptools/jar/org.scilab.modules.helptools.jar:/usr/share/scilab/modules/helptools/jar/scilab_en_US_help.jar:/usr/share/scilab/modules/helptools/jar/scilab_images.jar:/usr/share/scilab/modules/types/jar/org.scilab.modules.types.jar:/usr/share/scilab/modules/graphic_objects/jar/org.scilab.modules.graphic_objects.jar:/usr/share/scilab/modules/xcos/jar/org.scilab.modules.xcos.jar:/usr/share/scilab/modules/jvm/jar/org.scilab.modules.jvm.jar:/usr/share/scilab/modules/ui_data/jar/org.scilab.modules.ui_data.jar:/usr/share/scilab/modules/javasci/jar/org.scilab.modules.javasci.jar:/usr/share/scilab/modules/renderer/jar/org.scilab.modules.renderer.jar:/usr/share/scilab/modules/history_browser/jar/org.scilab.modules.history_browser.jar:/usr/share/scilab/modules/external_objects_java/jar/org.scilab.modules.external_objects_java.jar:/usr/share/scilab/modules/scirenderer/jar/scirenderer.jar:/usr/share/scilab/modules/completion/jar/org.scilab.modules.completion.jar:/usr/share/scilab/modules/graph/jar/org.scilab.modules.graph.jar:/usr/share/scilab/modules/preferences/jar/org.scilab.modules.preferences.jar:/usr/share/scilab/modules/history_manager/jar/org.scilab.modules.history_manager.jar:/usr/share/scilab/modules/console/jar/org.scilab.modules.console.jar:/usr/share/scilab/modules/localization/jar/org.scilab.modules.localization.jar:/usr/share/scilab/modules/gui/jar/org.scilab.modules.gui.jar:/usr/share/scilab/modules/core/jar/org.scilab.modules.core.jar:/usr/share/scilab/modules/graphic_export/jar/org.scilab.modules.graphic_export.jar:/usr/share/scilab/modules/scinotes/jar/org.scilab.modules.scinotes.jar:/usr/share/scilab/modules/commons/jar/org.scilab.modules.commons.jar:
>     WARNING: An illegal reflective access operation has occurred
>     WARNING: Illegal reflective access by
>     org.scilab.modules.jvm.LibraryPath
>     (file:/usr/share/scilab/modules/jvm/jar/org.scilab.modules.jvm.jar)
>     to field java.lang.ClassLoader.sys_paths
>     WARNING: Please consider reporting this to the maintainers of
>     org.scilab.modules.jvm.LibraryPath
>     WARNING: Use --illegal-access=warn to enable warnings of further
>     illegal reflective access operations
>     WARNING: All illegal access operations will be denied in a future
>     release
>     Could not access to the Main Scilab Class:
>     Exception in thread "main" java.lang.ExceptionInInitializerError
>             at
>     org.scilab.modules.localization.Messages.gettext(Unknown Source)
>             at
>     org.scilab.modules.commons.xml.XConfiguration.<clinit>(Unknown Source)
>             at org.scilab.modules.core.Scilab.<clinit>(Unknown Source)
>     Caused by: java.lang.NullPointerException
>             at
>     java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2646)
>             at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830)
>             at java.base/java.lang.System.loadLibrary(System.java:1870)
>             at
>     org.scilab.modules.localization.MessagesJNI.<clinit>(Unknown Source)
>             ... 3 more
>
>     Scilab cannot create Scilab Java Main-Class (we have not been able
>     to find the main Scilab class. Check if the Scilab and thirdparty
>     packages are available).
>
>
>     On 05/05/2020 18:03, Jeffrey Layton wrote:
>>     Good afternoon,
>>
>>     I'm running Ubuntu 18.04 and I just installed scilab using
>>
>>     $ sudo apt-get install scilab
>>
>>     It looks to be version 6.0.1-7.  I can run the CLI but when I try
>>     to run the GUI using
>>
>>     $ scilab
>>
>>     I get an error (show below). Any pointers? I tried Googling but
>>     didn't see anything related to this.
>>
>>     Thanks!
>>
>>     Jeff
>>
>>
>>     WARNING: An illegal reflective access operation has occurred
>>     WARNING: Illegal reflective access by
>>     org.scilab.modules.jvm.LibraryPath
>>     (file:/usr/share/scilab/modules/jvm/jar/org.scilab.modules.jvm.jar)
>>     to field java.lang.ClassLoader.sys_paths
>>     WARNING: Please consider reporting this to the maintainers of
>>     org.scilab.modules.jvm.LibraryPath
>>     WARNING: Use --illegal-access=warn to enable warnings of further
>>     illegal reflective access operations
>>     WARNING: All illegal access operations will be denied in a future
>>     release
>>     Could not access to the Main Scilab Class:
>>     Exception in thread "main" java.lang.ExceptionInInitializerError
>>     at org.scilab.modules.localization.Messages.gettext(Unknown Source)
>>     at org.scilab.modules.commons.xml.XConfiguration.<clinit>(Unknown
>>     Source)
>>     at org.scilab.modules.core.Scilab.<clinit>(Unknown Source)
>>     Caused by: java.lang.NullPointerException
>>     at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2646)
>>     at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830)
>>     at java.base/java.lang.System.loadLibrary(System.java:1870)
>>     at org.scilab.modules.localization.MessagesJNI.<clinit>(Unknown
>>     Source)
>>     ... 3 more
>>
>>     Scilab cannot create Scilab Java Main-Class (we have not been
>>     able to find the main Scilab class. Check if the Scilab and
>>     thirdparty packages are available).
>>
>>     _______________________________________________
>>     users mailing list
>>     users at lists.scilab.org  <mailto:users at lists.scilab.org>
>>     http://lists.scilab.org/mailman/listinfo/users
>
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