Bug#903208: Scilab 6 shows Java warnings on start

[Nrbrtx]

Package: scilab
Version: 6.0.0-1
Severity: important

Dear Maintainer,

I have installed Scilab 6 package as usual with
    apt-get update
    apt-get install scilab

When I launch it I get the following warning messages:

$ 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'.
Warning: Could not find Java package '/usr/share/java/jlatexmath-1.0.6.jar'.
Some problems during the loading of the Java libraries occurred.
This could lead to inconsistent behaviours.
Please check SCI/etc/classpath.xml.

This behavior is not expected.
Please fix Scilab package dependencies.

Please note that this bug exists in downstream (Ubuntu) too - see
bugs.launchpad.net/bugs/1767082 .

-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.15.0-2-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages scilab depends on:
ii  scilab-cli       6.0.0-1
ii  scilab-full-bin  6.0.0-1

Versions of packages scilab recommends:
ii  scilab-doc  6.0.0-1

Versions of packages scilab suggests:
pn  scilab-doc-fr     <none>
pn  scilab-doc-ja     <none>
pn  scilab-doc-pt-br  <none>

-- no debconf information
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