[Bug 1849365] [NEW] The `update-java-alternatives` script does not update the symbolic link `/usr/lib/jvm/default-java` generated by the `default-jre-headless` package

[Jacopo De Amicis]

Public bug reported:

This causes for instance `javaws` not to be able to use jre-8 even after
`update-java-alternatives --set java-1.8.0-openjdk-amd64` and requires
to manually change the link.

I am not sure it's completely relevant to the `java-common` package
(maybe more to `default-jre-headless`), but I report it here because the
script belongs to this package.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: java-common 0.68ubuntu1~18.04.1
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Oct 22 18:54:02 2019
Dependencies:
 
InstallationDate: Installed on 2018-07-06 (473 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
SourcePackage: java-common
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1849365

Title:
  The `update-java-alternatives` script does not update the symbolic
  link `/usr/lib/jvm/default-java` generated by the `default-jre-
  headless` package

Status in java-common package in Ubuntu:
  New

Bug description:
  This causes for instance `javaws` not to be able to use jre-8 even
  after `update-java-alternatives --set java-1.8.0-openjdk-amd64` and
  requires to manually change the link.

  I am not sure it's completely relevant to the `java-common` package
  (maybe more to `default-jre-headless`), but I report it here because
  the script belongs to this package.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: java-common 0.68ubuntu1~18.04.1
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue Oct 22 18:54:02 2019
  Dependencies:
   
  InstallationDate: Installed on 2018-07-06 (473 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  SourcePackage: java-common
  UpgradeStatus: No upgrade log present (probably fresh install)

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