[Deploying Sakai] Sakai 2.6 and Java 1.6

Grossman,John E john.grossman at mdanderson.org
Mon Apr 19 08:21:42 PDT 2010

Alan – Do you also build on Java 1.6 or just deploy?


John Grossman
Director, Academic Technology Services
The University of Texas M. D. Anderson Cancer Center
john.grossman at mdanderson.org
713-745-0305 (w)
832-771-8222 (m)

On 4/19/10 9:56 AM, "Berg, Alan" wrote:


I am running qa1-nl with Java 1.6 and JAVA_OPTS and CATALINA_OPTS

"-server -Xmx2048m -XX:MaxNewSize=256m -XX:MaxPermSize=512m -Dhttp.agent=Sakai -Dsakai.demo=true -Djava.awt.headless=true -Dorg.apache.jasper.compi
ler.Parser.STRICT_QUOTE_ESCAPING=false -Dsun.lang.ClassLoader.allowArraySyntax=true"

The http.agent is so that RSS feeds from Google work.

Hope that helps,


Alan Berg
Interim QA Director - The Sakai Foundation

Senior Developer / Quality Assurance
Group Education and Research Services
Central Computer Services
University of Amsterdam


-----Original Message-----
From: production-bounces at collab.sakaiproject.org on behalf of Martin B. Smith
Sent: Mon 4/19/2010 16:46
To: production at collab.sakaiproject.org
Subject: [Deploying Sakai] Sakai 2.6 and Java 1.6

Hey all,

As we are building out more nodes for our pilot here at UF, I noticed
RHEL 5.4 deprecated Java 1.5 entirely, even installing a package
"java-1.5.0-sun-uninstall" designed to helpfully remove Java 1.5,
stating that, "The Sun Java SE Release family 5.0 reached its End of
Service Life on November 3, 2009."

I saw that some folks out there have been running 1.6 for some time now,
with JAVA_OPTS="-Dsun.lang.ClassLoader.allowArraySyntax=true". I don't
plan on doing builds with these systems, so this would be strictly for
production application nodes. Has anyone had any more recent success or
failure stories? Any other JVM properties they'd recommend setting in
1.6? Any strongly worded advice? :)

Thanks in advance,
Martin B. Smith
smithmb at ufl.edu - (352) 273-1374
CNS/Open Systems Group
University of Florida

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