In theory it should be possible to create new build jobs with type 
"freestyle" instead of type "maven". Then maven could be invoked via shell 
and jdk 7 (or even 6). But all configuration (e.g. collection of test 
results and aritfacts) must be done manually then.

wdyt?


Regards,
Christoph


> From: Lukasz Lenart <lukaszlen...@apache.org>
> To: Struts Developers List <dev@struts.apache.org>, 
> Date: 27.06.2017 11:07
> Subject: Fwd: [JENKINS] [IMPORTANT] - Jenkins Migration and Upgrade 
> (And JDK7 deprecation)
> 
> This can affect our builds :\
> 
> It's about a time to think on switching to JDK8
> 
> 
> ---------- Forwarded message ----------
> From: Gavin McDonald <ga...@16degrees.com.au>
> Date: 2017-06-27 9:03 GMT+02:00
> Subject: [JENKINS]  [IMPORTANT] - Jenkins Migration and Upgrade (And
> JDK7 deprecation)
> To: bui...@apache.org
> DW: ASF Operations <operati...@apache.org>
> 
> 
> ASF Jenkins Master Migration and Upgrade on :-
> 
> 
> Location                                                Local Time
>                                          Time Zone       UTC Offset
> Melbourne (Australia - Victoria)        Sunday, 16 July 2017 at
> 10:00:00 am     AEST            UTC+10 hours
> New York (USA - New York)               Saturday, 15 July 2017 at
> 8:00:00 pm    EDT                     UTC-4 hours
> Corresponding UTC (GMT)         Sunday, 16 July 2017 at 00:00:00
> 
> 
> Hi All,
> 
> A few things are going to happen in just over 2 weeks.
> 
> 1. Migration of Jenkins to a new host. A Jenkins Master module and
> yaml have been puppetized and ready to go.
>     What we need to do to migrate the Master away from its current
> host is turn off the old service. Perform a final
>     rsync of data and perform the migration tasks.
> 
>     As we intend to preserve history for jobs this will take some time.
>     At the same time as doing this migration to a new host, all slave
> connections will be updated (see below.)
>     I have no current estimate of downtime, but it will run into
> several hours. We do plan to run this migration on a
>     Sunday at the lowest part of Jenkins usual usage.
> 
> 2. Upgrade of Jenkins - Jenkins project released a new LTS release,
> version 2.60.1. This is a major release and breaks
>     Jenkins in terms of Maven jobs for JDK 7 in the same way that it
> happened for Maven and JDK 6 a few months back.
> 
>     The infra team (mainly myself) got quite some feedback on not
> supplying advance notice of this breakage. That upgrade
>     however was necessary due to security fixes that required our
> upgrade.  This email serves as advance warning of the
>     upcoming upgrade of Jenkins, the downtime due to the migration of
> the service to a new host; and notice of the breakage
>     to JDK 7 that the upgrade brings.
> 
>     Please familiarise yourself with the Jenkins LTS upgrade notes at 
[1].
>     In particular please note:-
> 
>     “…2.60.1 is the first Jenkins LTS release that requires Java 8 to
> run. If you're using the Maven Project type, please note that it needs
> to use a JDK capable of running Jenkins, i.e. JDK 8 or up. If you
> configure an older JDK in a Maven Project, Jenkins will attempt to
> find a newer JDK and use that automatically. If your SSH Slaves fail
> to start and you have the plugin install the JRE to run them, make
> sure to update SSH Slaves Plugin to at least version 1.17 (1.20
> recommended).
> Changes since 2.60:
> Fix for NullPointerException while initiating some SSH connections
> (regression in 2.59). (issue 44120
> <https://issues.jenkins-ci.org/browse/JENKINS-44120>)
> Notable changes since 2.46.3:
> Jenkins (master and agents) now requires Java 8 to run. (issue 27624
> <https://issues.jenkins-ci.org/browse/JENKINS-27624> <>, issue 42709
> <https://issues.jenkins-ci.org/browse/JENKINS-42709> <>, pull 2802
> <https://github.com/jenkinsci/jenkins/pull/2802>, announcement blog
> post <https://jenkins.io/blog/2017/04/10/jenkins-has-upgraded-to-java-8/
>)
> 
> …”
> 
> There are over 30 other enhancements/fixes since 2.46.2 which we
> currently run so please do take a note of those.
> 
> Recap: In just over 2 weeks, downtime for a migration AND upgrade is 
planned.
> 
> Please do not rely on Jenkins at all for that weekend if you use it in
> your release workflow.
> 
> Please do take this notice back to your dev lists.
> 
> Any questions or concerns please email back to bui...@apache.org
> <mailto:bui...@apache.org> only.
> 
> Thanks
> 
> Gav…
> 
> [1] - https://jenkins.io/changelog-stable/
> 
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