/ Tutorials ~ Java EE Support Patterns


This page provides a consolidated and split view of all the tutorials available from this Blog. Tutorials include articles on Java, Java EE, monitoring and more.

Simply browse through the different sections and select the topic of your choice.
As usual, please feel free to post any question or comment on any topic.

Java tutorials

Common Java problems

HashMap problems

java.lang.OutOfMemoryError problems

JVM and Java Heap

·          Java Heap Space: What is it?
·          Java HotSpot VM PermGen space
·         Java Heap space - HotSpot VM
·         Java Heap Space – IBM VM
·         Java Heap Space – JRockit VM
·         Weblogic PermGen space

JVM memory analysis

Java Threads

JDK core

·         Java DNS Cache Reference Guide

Java 7

Java 8

·         Java 8: From PermGen to Metaspace 

Java EE  tutorials


Root cause analysis

Production support

Monitoring & capacity planning



·         Weblogic Thread Monitoring Tips


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