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…

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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…

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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)…

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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.…

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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…

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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…

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