About Pierre Hugues Charbonneau

Pierre-Hugues Charbonneau (nickname P-H) is working for CGI Inc. Canada for the last 10 years as a senior IT consultant. His primary area of expertise is Java EE, middleware & JVM technologies. He is a specialist in production system troubleshooting, root cause analysis, middleware, JVM tuning, scalability and capacity improvement; including internal processes improvement for IT support teams. P-H is the principal author at Java EE Support Patterns.

List/Grid Author Archives Subscribe to the RSS feed of Pierre Hugues Charbonneau

java-logo

Java Heap Dump: Are you up to the task?

If you are as much enthusiasm as I am on Java performance, heap dump analysis should not be a mystery to you. If it is then the good news is that you have an opportunity to increase ...
java-logo

IBM AIX: Java process size monitoring

This article will provide you with a quick reference guide on how to calculate the Java process size memory footprint for Java VM processes running on IBM AIX 5.3+ OS. This is a complementary ...
java-logo

java.lang.ClassNotFoundException: How to resolve

This article is intended for Java beginners currently facing java.lang.ClassNotFoundException challenges. It will provide you with an overview of this common Java exception, a sample ...
java-logo

Java deadlock troubleshooting and resolution

One of the great things about JavaOne annual conferences is the presentation of several technical and troubleshooting labs presented by subject matter experts. One of these labs did ...
java-logo

3 things Java developers should know

Here is an interesting article for those of should who have been following remotely the JavaOne 2012 conference. A recent interview with the Java Champion Heinz Kabutz was brought to ...
apache-log4j-logo

Log4j Thread Deadlock – A Case Study

This case study describes the complete root cause analysis and resolution of an Apache Log4j thread race problem affecting a Weblogic Portal 10.0 production environment. It will also ...
java-logo

OutOfMemoryError: unable to create new native thread – Problem Demystified

As you may have seen from my previous tutorials and case studies , Java Heap Space OutOfMemoryError problems ...
java-logo

Java 7: HashMap vs ConcurrentHashMap

As you may have seen from my past performance related articles and HashMap case studies, Java thread safety problems can bring down your Java EE application and the Java EE container ...
enterprise-java-logo

8 Ways to improve your Java EE Production Support skills

Everybody involved in Java EE production support know this job can be difficult; 7/24 pager support, multiple incidents and bug fixes to deal with on a regular basis, pressure from ...
enterprise-java-logo

Oracle Service Bus – Stuck Thread Case Study

This case study describes the complete root cause analysis process of a stuck thread problem experienced with Oracle Service Bus 11g running on AIX 6.1 and IBM Java VM ...
Java Code Geeks and all content copyright © 2010-2014, Exelixis Media Ltd | Terms of Use
All trademarks and registered trademarks appearing on Java Code Geeks are the property of their respective owners.
Java is a trademark or registered trademark of Oracle Corporation in the United States and other countries.
Java Code Geeks is not connected to Oracle Corporation and is not sponsored by Oracle Corporation.

Sign up for our Newsletter

15,153 insiders are already enjoying weekly updates and complimentary whitepapers! Join them now to gain exclusive access to the latest news in the Java world, as well as insights about Android, Scala, Groovy and other related technologies.

As an extra bonus, by joining you will get our brand new e-books, published by Java Code Geeks and their JCG partners for your reading pleasure! Enter your info and stay on top of things,

  • Fresh trends
  • Cases and examples
  • Research and insights
  • Two complimentary e-books