List/Grid Tag Archives: Troubleshooting
OpenJPA: Memory Leak Case Study
This article will provide the complete root cause analysis details and resolution of a Java heap memory leak (Apache OpenJPA leak) affecting an Oracle Weblogic server 10.0 production ...
Java Thread: retained memory analysis
This article will provide you with a tutorial allowing you to determine how much and where Java heap space is retained from your active application Java threads. A true case study from ...
JavaOne 2012: Diagnosing Your Application on the JVM
It was worth attending Staffan Larsen‘s (Oracle Java Serviceability Architect) presentation ‘Diagnosing Your Application on the JVM‘ (Hilton Plaza A/B) just for learning ...
Hunting a Random Bug – A True Story
A few weeks ago, I finished a bug hunt for the RapidFTR open source project, which took me three evenings. I thought it might be worth sharing the story of the hunt. This article will ...
Which Java thread consumes my CPU?
What do you do when your Java application consumes 100% of the CPU? Turns out you can easily find the problematic thread(s) using built-in UNIX and JDK tools. No profilers or agents ...
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 ...
