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Posted to dev@commons.apache.org by sebb <se...@gmail.com> on 2017/06/27 14:10:13 UTC

Fwd: [JENKINS] [IMPORTANT] - Jenkins Migration and Upgrade (And JDK7 deprecation)

AFAIK most of the Commons jobs use JDK 1.7 latest and the java-1.n
profiles to choose the appropriate compile/test environment.

These should continue to build OK, assuming that Jenkins is able to
find a suitable version of Java if necessary.

Builds which rely on JDK 7 and which don't use a Java profile will
find that the compile/test now use Java 8.

We need predictable builds so we need to ensure that all Maven builds
use the appropriate java profiles for the target JVM.

Once all the builds use the appropriate Java profiles we should be OK
when Jenkins next change the minimum Java version.

---------- Forwarded message ----------
From: Gavin McDonald <ga...@16degrees.com.au>
Date: 27 June 2017 at 08:03
Subject: [JENKINS]  [IMPORTANT] - Jenkins Migration and Upgrade (And
JDK7 deprecation)
To: builds@apache.org
Cc: ASF Operations <op...@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 builds@apache.org
<ma...@apache.org> only.

Thanks

Gav…

[1] - https://jenkins.io/changelog-stable/

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Fwd: [JENKINS] [IMPORTANT] - Jenkins Migration and Upgrade (And JDK7 deprecation)

Posted by Gary Gregory <ga...@gmail.com>.
Oleg and All, FYI.

Gary

---------- Forwarded message ----------
From: "sebb" <se...@gmail.com>
Date: Jun 27, 2017 07:10
Subject: Fwd: [JENKINS] [IMPORTANT] - Jenkins Migration and Upgrade (And
JDK7 deprecation)
To: "CommonsDev" <de...@commons.apache.org>
Cc:

AFAIK most of the Commons jobs use JDK 1.7 latest and the java-1.n
profiles to choose the appropriate compile/test environment.

These should continue to build OK, assuming that Jenkins is able to
find a suitable version of Java if necessary.

Builds which rely on JDK 7 and which don't use a Java profile will
find that the compile/test now use Java 8.

We need predictable builds so we need to ensure that all Maven builds
use the appropriate java profiles for the target JVM.

Once all the builds use the appropriate Java profiles we should be OK
when Jenkins next change the minimum Java version.

---------- Forwarded message ----------
From: Gavin McDonald <ga...@16degrees.com.au>
Date: 27 June 2017 at 08:03
Subject: [JENKINS]  [IMPORTANT] - Jenkins Migration and Upgrade (And
JDK7 deprecation)
To: builds@apache.org
Cc: ASF Operations <op...@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 builds@apache.org
<ma...@apache.org> only.

Thanks

Gav…

[1] - https://jenkins.io/changelog-stable/

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