[Building Sakai] The Switch to Java 1.6

[Steve Swinsburg]

After I adjust my JAVA_HOME  to point to my Java 1.6 JDK, is there any  
other Maven voodoo I need to do to get Sakai to build in Java 1.6? Any  
flags to force it et al?


cheers,
Steve



On 18 Mar 2009, at 16:32, Knoop, Peter wrote:

> Thanks for bringing this up, Seth.  There are a number of things  
> we’ll have to sort out here for Sakai 2.5 and 2.6 maintenance  
> releases, Sakai 2.7.0 and trunk, and Sakai 3.  I’ve created  
> SAK-15874 to help track progress:
>
> http://jira.sakaiproject.org/jira/browse/SAK-15874
>
> Both Sakai 2.5.x and Sakai 2.6.0 have only been QA’ed with 1.5 to- 
> date.  At some point will need to transition to QA-ing on 1.6.  In  
> the meantime, if anyone is building and running Sakai 2.5.x or Sakai  
> 2.6.x with 1.6 in production, could you please comment on SAK-15874  
> about your experience?   It would be good to know that there are  
> some early adopters in production having success before we take the  
> plunge as a whole.
>
> Maybe we could also get a quick show of hands via this email thread  
> on:
>
> ·         Are you building your Sakai 2.5 or 2.6 instance using Java  
> 1.6?
> ·         When did you start building with and which version of Java  
> 1.6, or when do you plan to change to 1.6?
> ·         Are you running your Sakai 2.5 or 2.6 instance using Java  
> 1.6?
> ·         When did you start running with and which version of Java  
> 1.6, or when do you plan to change to 1.6?
>
> We’ll also need to move trunk/Sakai 2.7 to Java 1.6 at some point as  
> well.  Any thoughts folks have on when it would be best to do this?   
> Perhaps sooner is better than later?
>
> What do folks working on Sakai 3.0/Kernel 2 think?  Are the plans  
> for the mid-year early adopters release to run on Java 1.5 or 1.6?
>
> Thanks.
>
> -peter
>
>
>
>
> From: sakai-dev-bounces at collab.sakaiproject.org [mailto:sakai-dev-bounces at collab.sakaiproject.org 
> ] On Behalf Of Matthew Jones
> Sent: Monday, March 16, 2009 7:36 PM
> To: Seth Theriault
> Cc: sakai-dev at collab.sakaiproject.org
> Subject: Re: [Building Sakai] JDK 1.5 "end-of-service-life" date is  
> October 30, 2009
>
> Well, sakai 2.5.3 compiles all fine for me under java 1.6, and I've  
> been running a sakai 1.5 compiled code our development server under  
> a 1.6 JVM for the past 6 months with nothing out of the ordinary  
> occurring. The benchmarks have 1.6 running a certain percentage  
> faster on certain application (I think for me sakai was starting up  
> a few seconds faster) and the big one was that it doesn't have the  
> debugging where it can crash the server (under 1.5) which makes it  
> much better for development. I haven't actively ran a 1.6 compiled  
> sakai under a 1.6 jvm lately though.
>
> I have been using that tomcat workaround mentioned in Steven's post  
> through for the java_opt
> -Dsun.lang.ClassLoader.allowArraySyntax=true
>
> This conversion to 1.6 was tracked here without too much activity: http://jira.sakaiproject.org/jira/browse/SAK-10716
>
> I'll try to roll it out tomorrow and see how it looks, but it would  
> probably be worth having a QA server eventually running 1.6/1.6 to  
> see how it goes as the posts suggest.
>
> I can volunteer one of the 2.5.x QA's if Pete wants.
>
> -Matthew
>
> On Mon, Mar 16, 2009 at 4:23 PM, Seth Theriault <slt at columbia.edu>  
> wrote:
> Hello,
>
> I am not sure what the plans to move Sakai to Java 6 are, but
> this statement is probably worth noting:
>
> "J2SE 5.0 is in its Java Technology End of Life (EOL) transition
> period. The EOL transition period began April 8th, 2008 and will
> complete October 30th, 2009, when J2SE 5.0 will have reached its
> End of Service Life (EOSL)."
>
> http://java.sun.com/javase/downloads/index_jdk5.jsp
>
> More info at:
>
> http://java.sun.com/products/archive/eol.policy.html
>
> Seth
>
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