Please don't forget to reference other threads you submit regarding the issue.
URL: http://forum.synology.com/enu/viewtopic.php?f=190&t=92245

As I see the guidelines are quite old and probably outdated (2011th).

• What Jenkins version do you use?
• Do you use Oracle Embedded SE Java? Have you tried another Java VMs?

You could disable the automatic plugins list update in UpdateCenter (-Dhudson.model.UpdateCenter.never=true). Probably, it will workaround the failure.

Looks related to JNA given the errors.

Assigning to Craig, maybe he has an idea how to debug.

Thanks for the support guys.

I am using the latest Jenkins version:
wget -O /var/lib/jenkins/jenkins.war http://mirrors.jenkins-ci.org/war/latest/jenkins.war

I am using the Oracle Embedded SE Java from here:
http://www.oracle.com/technetwork/java/embedded/embedded-se/downloads/index.html

I have used
ORACLE JAVA SE EMBEDDED VERSION 7 UPDATE 71 for ARMv5 Linux
and also
ORACLE JAVA SE EMBEDDED VERSION 8 UPDATE 6 for ARMv5 Linux

Both have the same problem.

Hope this helps,
Many Thanks

This is a JNA problem. I don't have access to the ARM platform which
you have. If you want to help debug this, do the following:

(1) Make sure that you have apache-ant installed
(2) git clone https://github.com/twall/jna
(3) Build jna and run the tests:
cd jna
ant

(4) Report any problems to: https://github.com/twall/jna#community-and-support

Michka,

Can you build JNA and run the tests on ARM
using the steps which I described, and provide
the results? Is your ARM platform the same as the ARMv5Linux platform that Synology uses?

Thanks for the help.

Yes DS 212 is a Marvell Kirkwood mv6282 1.6Ghz ARM (Marvell ARMADA 300) and fully ARMv5TE-compliant.
http://forum.synology.com/wiki/index.php/What_kind_of_CPU_does_my_NAS_have
http://www.marvell.com/embedded-processors/kirkwood/assets/88f6282-3_pb.pdf

I have installed apache-ant and cloned jna as you suggested.

Trying to build it got me this error:

Unable to locate tools.jar. Expected to find it in /volume1/@appstore/java7/lib/tools.jar
Buildfile: /volume1/public/jna/build.xml

-enable-native:

-dynamic-properties:

BUILD FAILED
/volume1/public/jna/build.xml:258: Can't find JNI headers (java.home=/volume1/@appstore/java7/jre)

It seems I need the proper JDK for that.
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-arm-downloads-2187472.html

But I don't know how to install this on a synology. The previous SE was supported through a community package, which I got from here: http://pcloadletter.co.uk/2011/08/23/java-package-for-synology/

You need a full JDK to compile things.

If you download the http://www.oracle.com/technetwork/java/javase/downloads/jdk8-arm-downloads-2187472.html
and extract the tar.gz file, set the PATH to point to the right java
binary, can you get it to work?

Otherwise I recommend asking a Synology developer to help you.