When we are diagnosing problems in a Java (EE or otherwise) application, is often a good idea to check how garbage collection is performing. One of the basic and most unobtrusive actions is to enable garbage collection logging.
As you may know, if we add the following arguments to the java start command…
-Xloggc:<file_name> –XX:+PrintGCDetails -XX:+PrintGCDateStamps
… the [...]
Posts under ‘Java’
Human readable JVM GC timestamps
Dynamically changing log level with Weblogic, log4j, JMX and WLST
Logging is an uninteresting but nevertheless fundamental part of application development. It is useful not just when you are coding an application but in diagnosing problems of any nature once an application passes into production.
Unfortunately, it is not that clear how to do logging well when developing JEE applications that are to be deployed [...]
Developing applications with SCA and a JBI-Based supporting infrastructure
We have been working with SOA technologies and solutions in the commercial and open-source arena for some years now and I would like to start a new series with this post covering the developments of two mayor standardisation efforts in this area, SCA (Service Component Architecture) and JBI (Java Business Integration).
While for some time [...]
Full Weblogic Load-Balancing in EC2 with Amazon ELB
This is the latest post in the series on deploying a Weblogic cluster in Amazon EC2. Previous posts have shown how to create and configure a weblogic cluster using either standard Amazon EC2 images or RightScale ServerTemplates and RightScripts.
In the first post in the series, I explained how to deploy a [...]
Using RightScripts to create a Weblogic cluster in Amazon EC2
In my previous post, I described how to set up a Weblogic cluster in Amazon EC2 using the Oracle-supplied Amazon AMI image. In this post, I will describe how to create a cluster using RightScripts, an alternative technology offered by RightScale.
In Amazon EC2, you work on an AMI - installing software, configuring - until you [...]
