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i am jambay has moved to http://iamjambay.com.  There will be no further posts for this blog on blogs.oracle.com.  Please update your feeds accordingly. Photo courtesy of http://www.flickr.com/photos/themuuj/

Friday, October 7, 2011 | WLS | Read More

JRockit Flight Recorder Plugin for WebLogic Tab Pack behind a Proxy

One of my favorite demos to show is JRockit Flight Recorder integration with WebLogic Server and the WebLogic Server Diagnostic Framework.  It's a great way to see what's going on inside applications and the JVM without agents using out-of-the-box defaults with WebLogic Server and JRockit.  I've made video's and blog posts about it previously and we'll be happy to give you a demo of it at Oracle Open World at the JavaOne booth or the WebLogic Server booth at the Demogrounds.  ...

Monday, September 26, 2011 | WLS | Read More

wlstonweb - An Innovative Tool for WebLogic Scripting

Antonio De Juan from Oracle Support introduced me to a very innovative web application he built and put on www.samplecode.oracle.com called wlstonweb.  This cool web application has 2 primary features. 1) Interactive WLST Sessions via a web browser 2) WLST Script Management via a web browser The interactive WLST session via a web interface is surprisingly almost equivalent to using WLST from a shell because it leverages AJAX and JQuery Prototype.  The obvious benefit is, you can...

Saturday, July 23, 2011 | WLS | Read More

Create WebLogic Diagnostic Image With Metric Thresholds

My colleague Jeff West pointed me to Stack Overflow today where someone had a question about how to take a thread dump when a certain condition was present.  In their case, they are trying to troubleshoot a low thread count.  Their monitoring tools were missing the critical time window and by the time the thread dump was taken, the threads had recovered.  I thought this would be a great opportunity to see if a Diagnostic Image would contain a thread dump (yes it does), and...

Thursday, July 14, 2011 | WLS | Read More

WebLogic Server Work Manager Demo Recording and Slides

I have previously blogged about WebLogic Server Work Managers and this simple demo before. Now there is a corresponding set of slides and a recording on the youtube.com/OracleWebLogic channel to accompany it. The slides also contain some additional detail not covered in the original example around stuck threads. I was asked about this feature recently when someone needed to know how you could limit the number of requests serviced by WebLogic Server to match and not exceed the...

Saturday, July 9, 2011 | WLS | Read More

WebLogic Server JMS WLST Script – Who is Connected To My Server

Update 6/27/2011: Tom Barnes indicated a clarification, check out the comments. Ever want to know who was connected to your WebLogic Server instance for troubleshooting?  An email exchange about this topic and JMS came up this week, and I’ve heard it come up once or twice before too.  Sometimes it’s interesting or helpful to know the list of JMS clients (IP Addresses, JMS Destinations, message counts) that are connected to a particular JMS server.  This can be helpful for...

Saturday, June 25, 2011 | WLS | Read More

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