Why installing openjdk-7-jdk on Ubuntu Trusty installs systemd as well?

[Colin Law]

On 3 January 2017 at 22:17, Liam Proven <lproven at gmail.com> wrote:
> On 30 December 2016 at 13:24, Yuri Kanivetsky <yuri.kanivetsky at gmail.com> wrote:
>>
>> I tried both apt and aptitude. But I can't see systemd in the output
>> of neither debtree (debtree openjdk-7-jdk), nor apt-rdepends
>> (apt-rdepends openjdk-7-jdk). Am I to add any switches to the
>> commands?
>>
>> The bigger picture is that I'm provisioning a server with ansible. I
>> need it to install elasticsearch, which depends on java. Which brings
>> systemd with itself. After which ansible fails to enable
>> elasticsearch. Since it sees systemctl and tries to enable
>> eslasticsearch with systemctl. But elasticsearch doesn't come with
>> systemd unit file. It comes with init script.
>>
>> Does openjdk-7-jdk really depends on systemd? Is there a way to avoid
>> installing systemd?
>
>
> You don't specify what version of Ubuntu but 16.04 and later already
> include systemd as standard.

Actually he does, it is in the subject line (Trusty, 14.04).  It
should have been repeated inside the message to avoid confusion.

Colin