[Building Sakai] Java 1.6 for Sakai 2.7

[Noah Botimer]

Do we have any contacts with outside experts with expertise on really  
big JVMs with a lot of churn? There have to be some other apps that  
have run into this or some insight into what we could fix.

Thanks,
-Noah

On Oct 9, 2009, at 9:52 AM, Charles Hedrick wrote:

> 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.CourseManagementAdministration 
>> Test
>> [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
>>
>> _______________________________________________
>> sakai-dev mailing list
>> sakai-dev at collab.sakaiproject.org
>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>
>> TO UNSUBSCRIBE: send email to sakai-dev- 
>> unsubscribe at collab.sakaiproject.org with a subject of "unsubscribe"
>
> _______________________________________________
> sakai-dev mailing list
> sakai-dev at collab.sakaiproject.org
> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>
> TO UNSUBSCRIBE: send email to sakai-dev- 
> unsubscribe at collab.sakaiproject.org with a subject of "unsubscribe"