Public bug reported:

Steps to reproduce:
1. Install Ubuntu 18.04 LTS
2. Install `scilab` package with `sudo apt-get install scilab`
3. Try to launch it from menu (Applications->Other->Scilab in MATE)

Expected results:
Scilab is started, user can use it

Actual results:
Scilab is started, show its window with

  Startup execution:
    loading initial environment

then closes immediately

Notes:
1. scilab starts normally from terminal, here is its output:

$ scilab
Warning: Could not find Java package '/usr/share/java/lucene-core-4.10.4.jar'.
Warning: Could not find Java package 
'/usr/share/java/lucene-analyzers-common-4.10.4.jar'.
Warning: Could not find Java package 
'/usr/share/java/lucene-queryparser-4.10.4.jar'.
Some problems during the loading of the Java libraries occurred.
This could lead to inconsistent behaviours.
Please check SCI/etc/classpath.xml.
libEGL warning: DRI2: failed to authenticate

2. installing liblucene4.10-java (for /usr/share/java/lucene-
core-4.10.4.jar, /usr/share/java/lucene-analyzers-common-4.10.4.jar and
/usr/share/java/lucene-queryparser-4.10.4.jar ) does not change the
situation.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: scilab 6.0.0-1
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
ApportVersion: 2.20.8-0ubuntu5
Architecture: amd64
CurrentDesktop: MATE
Date: Wed Dec 20 22:55:40 2017
PackageArchitecture: all
SourcePackage: scilab
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: scilab (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug bionic

** Description changed:

  Steps to reproduce:
  1. Install Ubuntu 18.04 LTS
  2. Install `scilab` package with `sudo apt-get install scilab`
  3. Try to launch it from menu (Applications->Other->Scilab in MATE)
  
  Expected results:
  Scilab is started, user can use it
  
  Actual results:
- Scilab is started, show its window with 
+ Scilab is started, show its window with
  
-   Startup execution:
-     loading initial environment
+   Startup execution:
+     loading initial environment
  
  then closes immediately
  
- Note:
- scilab starts normally from terminal, here is its output:
+ Notes:
+ 1. scilab starts normally from terminal, here is its output:
  
  $ scilab
  Warning: Could not find Java package '/usr/share/java/lucene-core-4.10.4.jar'.
  Warning: Could not find Java package 
'/usr/share/java/lucene-analyzers-common-4.10.4.jar'.
  Warning: Could not find Java package 
'/usr/share/java/lucene-queryparser-4.10.4.jar'.
  Some problems during the loading of the Java libraries occurred.
  This could lead to inconsistent behaviours.
  Please check SCI/etc/classpath.xml.
  libEGL warning: DRI2: failed to authenticate
+ 
+ 2. installing liblucene4.10-java (for /usr/share/java/lucene-
+ core-4.10.4.jar, /usr/share/java/lucene-analyzers-common-4.10.4.jar and
+ /usr/share/java/lucene-queryparser-4.10.4.jar ) does not change the
+ situation.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: scilab 6.0.0-1
  ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
  Uname: Linux 4.13.0-17-generic x86_64
  ApportVersion: 2.20.8-0ubuntu5
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Wed Dec 20 22:55:40 2017
  PackageArchitecture: all
  SourcePackage: scilab
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1739476

Title:
  Scilab 6.0 launches, shows its window and closes immediately on bionic

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