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[Norbert <1884277@xxxxxxxxxxxxxxxxxx>]

This is really unbelievable.
Ubuntu is often used by educators. Educators use Scilab.
But the Scilab packages are broken in 18.04 LTS, in 19.10 (EOL, bug 1877234) and in upcoming 20.04 LTS too (bug 1870813 ). 

Are you kidding?

** Changed in: scilab (Ubuntu)
       Status: New => Confirmed

** Also affects: java-common (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: openjdk-lts (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1884277

Title:
  Scilab does not start on Ubuntu 18.04 LTS bionic beaver

Status in java-common package in Ubuntu:
  New
Status in openjdk-lts package in Ubuntu:
  New
Status in scilab package in Ubuntu:
  Confirmed

Bug description:
  Tried to start Scilab from GUI - it does not start. From terminal it
  crashes with:

  $ 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/preferences/jar/org.scilab.modules.preferences.jar:/usr/share/scilab/modules/scinotes/jar/org.scilab.modules.scinotes.jar:/usr/share/scilab/modules/external_objects_java/jar/org.scilab.modules.external_objects_java.jar:/usr/share/scilab/modules/graphic_export/jar/org.scilab.modules.graphic_export.jar:/usr/share/scilab/modules/graph/jar/org.scilab.modules.graph.jar:/usr/share/scilab/modules/gui/jar/org.scilab.modules.gui.jar:/usr/share/scilab/modules/history_browser/jar/org.scilab.modules.history_browser.jar:/usr/share/scilab/modules/helptools/jar/scilab_images.jar:/usr/share/scilab/modules/helptools/jar/org.scilab.modules.helptools.jar:/usr/share/scilab/modules/helptools/jar/scilab_ru_RU_help.jar:/usr/share/scilab/modules/helptools/jar/scilab_en_US_help.jar:/usr/share/scilab/modules/ui_data/jar/org.scilab.modules.ui_data.jar:/usr/share/scilab/modules/scirenderer/jar/scirenderer.jar:/usr/share/scilab/modules/action_binding/jar/org.scilab.modules.action_binding.jar:/usr/share/scilab/modules/completion/jar/org.scilab.modules.completion.jar:/usr/share/scilab/modules/jvm/jar/org.scilab.modules.jvm.jar:/usr/share/scilab/modules/localization/jar/org.scilab.modules.localization.jar:/usr/share/scilab/modules/javasci/jar/org.scilab.modules.javasci.jar:/usr/share/scilab/modules/console/jar/org.scilab.modules.console.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/core/jar/org.scilab.modules.core.jar:/usr/share/scilab/modules/types/jar/org.scilab.modules.types.jar:/usr/share/scilab/modules/commons/jar/org.scilab.modules.commons.jar:/usr/share/scilab/modules/history_manager/jar/org.scilab.modules.history_manager.jar:/usr/share/scilab/modules/renderer/jar/org.scilab.modules.renderer.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).

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: scilab 6.0.1-7ubuntu1~18.04.1
  ProcVersionSignature: Ubuntu 4.15.0-106.107-generic 4.15.18
  Uname: Linux 4.15.0-106-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Fri Jun 19 19:00:20 2020
  InstallationDate: Installed on 2018-04-26 (784 days ago)
  InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  SourcePackage: scilab
  UpgradeStatus: No upgrade log present (probably fresh install)

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