NewsFeed

Open Grid Computing Environments

1. SC08 Demo Time Correction 30Fri, 14 Nov 2008 20:49:00 -0500ue
   The IU booth demo is 1:00-3:00 on Wednesday, November 19th. These are roughly 2 30 minute demos at 1:00 and 2:00, with 30 minute breaks.
2. OGCE Portal 2.4 Posted 30Fri, 14 Nov 2008 17:30:00 -0500ue
   Version 2.4 is ready. This features the File Manager applet from the TeraGrid User Portal, as well as numerous bug fixes and miscellaneous enhancements. See http://collab-ogce.blogspot.com/2008/09/tagged-preview-of-ogce-portal-24.html for more details.
   
   Tagged SC08 releases of OGCE Axis Services and GTLAB are also available.
3. OGCE Web Site and Download Reorganization 30Wed, 12 Nov 2008 13:16:00 -0500ue
   The OGCE Web Site is being revised to better reflect the reorganization of our downloadable components. Here are the major download suites:
   
   • The OGCE portlet-based Grid portal: this download combines Tomcat, Gridsphere portlet container, and many OGCE portlets developed with OGCE libraries.
   • The OGCE Axis Web Services Suite: this includes several OGCE services (currently GPIR, the Resource Prediction Service, and the Resource Discovery Service) combined into an integrated, one-step build.
     
   • The OGCE Workflow Suite: this suite contains workflow composer and engine (XBaya), the GFAC application factory, XRegistry, and related components.
     
   • GTLAB: This is a collection of Java Server Faces tags and supporting code for building Grid portlets and gadgets. The current version supports simple tag pipelining (so you can associate multiple tasks with a single HTML button click). Tags are no longer limited to Grid clients--any thing can be used.
   • OGCE Gadget Container: this is a preview of our work to build an Open Social and iGoogle-compatible container. We view this as the successor to the portlet standard we have used in the past.
   See the web site for more information.
4. SC08 Demos: 1:00-3:00 30Tue, 11 Nov 2008 17:06:00 -0500ue
   OGCE team will be giving demos in the Indiana University booth at SC08 on Tuesday from 1:00 pm to 3:00 pm. Demos will include
   
   • OGCE workflow tools
   • JavaScript Grid clients
   • Tag libraries for building iGoogle style Grid gadgets.
   • Gateway information services
   • Application portals using Pylons
   • Demo portals for the life sciences
   Please feel free to come by the IU booth for informal demos.
5. Updated GCE08 Schedule 30Tue, 11 Nov 2008 17:05:00 -0500ue
   The GCE08 Workshop presentation schedule at Supercomputing 2008 in Austin has been updated: http://www.collab-ogce.org/gce08/index.php/Program
6. Tentative GCE08 Schedule Available 30Mon, 03 Nov 2008 10:22:00 -0500ue
   A draft GCE08 Workshop presentation schedule at Supercomputing 2008 in Austin is now available: http://www.collab-ogce.org/gce08/index.php/Program
   
   The program will be updated as we confirm speakers' travel schedules, but the program is set. Slides and papers will be made available from this URL as they become available.
7. The Dreaded "GRAM Job submission failed: The job manager failed to open stderr" Error 31Tue, 07 Oct 2008 14:50:00 -0400ue
   The COG will produce the following infamous error
   
   GRAM Job submission failed: The job manager failed to open stderr
   
   if you don't have values in $HOME/.globus/cog.properties set correctly. The "ip" parameter must be set to the real hostname or static IP address of your portal server. That is, it should be something like
   
   ip=123.456.789
   
   You can edit this file by hand, but note it will be overwritten if your rebuild the portal. You should make sure that the <portal.server.ip&gt value in ogce-portal-only/pom.xml is set correctly.
8. Nightly Build Update 30Mon, 22 Sep 2008 14:34:00 -0400ue
   The "portal only" release was upgraded to Tomcat 5.5.27, but the build and test scripts on the NMI testbed were still set to use the older Tomcat 5.5.12. This has been corrected.
   
   For more info on the nightly build, see http://www.collab-ogce.org/ogce/index.php/Bugs_email_svn
9. Nightly Builds OK 30Mon, 22 Sep 2008 10:44:00 -0400ue
   There is a bug in the NMI nightly build scripts that prevents Tomcat from starting. This causes the build to report a failure, but the compilation steps complete successfully.
10. Tagged Update to GTLAB 30Fri, 12 Sep 2008 12:16:00 -0400ue
    Numerous improvements and bug fixes to the GTLAB tag libraries have been tagged as "GTLAB-2008". These supersede the TG08 tagged version. To get the updates, use
    
    svn checkout https://svn.sourceforge.net/svnroot/ogce/tags/GTLAB-Sep2008
    
    Major changes include
    
    • Bug the prevented task inter-dependencies from working correctly has been fixed.
    • Each GTLAB tag can now be associated with its own resource property file. Previously all tags used the same property file.