[Building Sakai] Java 1.6 for Sakai 2.7

[Charles Hedrick]

I'd like to note that we're just about finished moving our systems  
from Java 6 back to Java 5. I'll update the list next week on the  
details, because until we've survive Monday I won't be certain that  
we've solved our problem. But the reason for the change is performance  
problems with the Java 6 GC that we think aren't present in Java 5.  
I'm very skeptical that these will be fixed, so I'm currently  
expecting that we'll need to stay with Java 5 until GC1 is ready for  
production (which it currently is not -- I've tried it).

On Oct 8, 2009, at 5:26 PM, Seth Theriault wrote:

> Seth Theriault wrote:
>
>> I just tried to build again with an updated trunk, but it failed
>> due to a repeated method in the Rwiki code. I'll be sending a
>> separate e-mail about that.
>
> Just finished up some local testing using trunk, r67389, on a Mac
> OS X Leopard system:
>
> $ uname -a
> Darwin mirth.cc.columbia.edu 9.8.0 Darwin Kernel Version 9.8.0:
> Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386
> $ echo $JAVA_HOME
> /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
> $ $JAVA_HOME/bin/java -version
> java version "1.6.0_15"
> Java(TM) SE Runtime Environment (build 1.6.0_15-b03-226)
> Java HotSpot(TM) 64-Bit Server VM (build 14.1-b02-92, mixed mode)
>
> Using the default pack-demo target, the build was without
> incident. Of course, the default uses "-Dmaven.test.skip=true" so
> I turned that off (and "-Dmaven.test.failure.ignore=true" too)
> and rebuilt.
>
> With the tests on, none of them fails but one of them returns
> JDBCerrors:
>
> [exec] [INFO]
> ------------------------------------------------------------------------
> [exec] [INFO] Building coursemanagement-hibernate-impl
> [exec] [INFO]    task-segment: [clean, install, sakai:deploy]
> [exec] [INFO]
> ------------------------------------------------------------------------
> ...
> [exec] Running
> org.sakaiproject.coursemanagement.test.CourseManagementAdministrationTest
> [exec] 16:48:58,732  WARN JDBCExceptionReporter:77 - SQL Error:
> -104, SQLState: 23000
>
> I'll note here that this test is imperfect because search is
> being downloaded as an "assembly" like kernel.
>
> With the sakai-demo package built, I was able to start it up.
> Initially, there are errors in blogger, chat, and samigo:
>
> $ grep ERROR logs/catalina.out
> 2009-10-08 16:31:02,974 ERROR main
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ 
> sakai-blogger-tool]
> - Exception sending context initialized event to listener
> instance of class com.sun.faces.config.ConfigureListener
> 2009-10-08 16:31:02,977 ERROR main
> org.apache.catalina.core.StandardContext - Error listenerStart
> 2009-10-08 16:31:02,977 ERROR main
> org.apache.catalina.core.StandardContext - Context
> [/sakai-blogger-tool] startup failed due to previous errors
> 2009-10-08 16:31:04,518 ERROR main
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ 
> sakai-chat-tool]
> - Exception sending context initialized event to listener
> instance of class com.sun.faces.config.ConfigureListener
> 2009-10-08 16:31:04,522 ERROR main
> org.apache.catalina.core.StandardContext - Error listenerStart
> 2009-10-08 16:31:04,522 ERROR main
> org.apache.catalina.core.StandardContext - Context
> [/sakai-chat-tool] startup failed due to previous errors
> 2009-10-08 16:31:37,888 ERROR main
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ 
> samigo]
> - Exception sending context initialized event to listener
> instance of class com.sun.faces.config.ConfigureListener
> 2009-10-08 16:31:39,136 ERROR main
> org.apache.catalina.core.StandardContext - Error listenerStart
> 2009-10-08 16:31:39,136 ERROR main
> org.apache.catalina.core.StandardContext - Context [/samigo]
> startup failed due to previous errors
>
> but these clear up nicely if you add the
> "-Dsun.lang.ClassLoader.allowArraySyntax=true" to the JAVA_OPTS
> as Matt suggested.
>
> Seth
>
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