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[Norbert <1863726@xxxxxxxxxxxxxxxxxx>]

Installing OpenJDK from main fixes the issue:

```
sudo apt-get install openjdk-8-jre:amd64=8u77-b03-3ubuntu3 openjdk-8-jre-headless:amd64=8u77-b03-3ubuntu3

cat <<EOF | sudo tee /etc/apt/preferences.d/pin-java-scilab
Package: openjdk-8-jre:amd64
Pin: version 8u77-b03-3ubuntu3
Pin-Priority: 1337

Package: openjdk-8-jre-headless:amd64
Pin: version 8u77-b03-3ubuntu3
Pin-Priority: 1337
EOF
```

So new OpenJDK breaks Scilab.

** Also affects: openjdk-8 (Ubuntu)
   Importance: Undecided
       Status: New

-- 
You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-8 in Ubuntu.
https://bugs.launchpad.net/bugs/1863726

Title:
  Scilab is unable to start due to "Could not access to the Main Scilab
  Class"

Status in openjdk-8 package in Ubuntu:
  New
Status in scilab package in Ubuntu:
  New

Bug description:
  Steps to reproduce:
  1. Have Ubuntu 16.04 LTS installed
  2. Install Scilab package with simple `sudo apt-get install scilab`
  3. Launch Scilab from terminal with `scilab`

  Expected result:
  * Scilab starts and shows GUI

  Actual result:
  * Scilab does not start and do not show GUI, only error message in the terminal:

  $ scilab
  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.lang.ClassLoader.loadLibrary(ClassLoader.java:1847)
  	at java.lang.Runtime.loadLibrary0(Runtime.java:871)
  	at java.lang.System.loadLibrary(System.java:1124)
  	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 16.04
  Package: scilab 5.5.2-2ubuntu3
  ProcVersionSignature: Ubuntu 4.4.0-174.204-generic 4.4.211
  Uname: Linux 4.4.0-174-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.21
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Tue Feb 18 12:25:50 2020
  InstallationDate: Installed on 2019-05-07 (287 days ago)
  InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  PackageArchitecture: all
  SourcePackage: scilab
  UpgradeStatus: No upgrade log present (probably fresh install)

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