Fedora 25/26 Packaging owns /usr/lib/java/ about sun-java-formula

[noelmcloughlin]

Also noting both sqlplus and sqldeveloper salt formulas set prefix to /usr/lib/oracle/ as default.

[sroegner]

The formula was conceived to help on older platforms that didn't have any reasonable native way of installing java. Trying to make it work "right" on newer distributions that have multiple java installation paths built-in we'd have to decide whether to incorporate the native stack(s) or work around and aside them.

The former approach probably means an implementation per distribution with a potentially large number of dependencies pulled by those packages - the latter will not work as soon as you install other tools that either directly depend on or implicitly expect the native installation.
@noelmcloughlin I see you doing a lot of tool-related work - I personally am more interested in server environments - do you maybe have a solution already in mind that would work for you?

[noelmcloughlin]

Enterprise Linux default installation typically will exclude JDK so options are less muddy, but as desktop linux default installation likely include JDK we must assume /usr/lib/java/ symlink cannot work going forward - unless someone has nice solution.

The Oracle documentation is unhelpful, but the official jdk-8u131-linux-x64.RPM does install to /usr/java/ so this location, being unofficially owned by Oracle, seems best candidate. Otherwise /usr/lib/oracle/java/ should work for everyone - and alternatives system makes this transparent.

[noelmcloughlin]

[ERROR ] Directory exists where the symlink /usr/lib/java should be

[noelmcloughlin]

known workaround:
$ sudo rpm -e javapackages-tools --nodeps
$ ... run formula ...
$ sudo yum install -y javapackages-tools

[noelmcloughlin]

Hi @vutny, do you have any ideas regarding best workaround? Something like the following maybe?
`
{%- if salt'grains.get' == 'RedHat' %}
sun-java-usr-lib-backup:
cmd.run: mv {{ java.java_home }} {{ java.java_home }}_java_backup 2>/dev/null || echo ok
{% endif %}

update-javahome-symlink:
file.symlink:
- name: {{ java.java_home }}
- require:
- archive: unpack-jdk-archive

{%- if salt'grains.get' == 'RedHat' %}
sun-java-usr-lib-restore:
cmd.run: mv {{ java.java_home }}_java_backup/* {{ java.java_home }} 2>/dev/null || echo ok
file.absent:
- name: {{ java.java_home }}_java_backup
{% endif %}
`

[noelmcloughlin]

Guys the Issue is open few weeks now #33 and analysed by two community members.