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Tag Archives: Classloading

JBoss AS 7 classloading explained

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This is a sample chapter taken from JBoss AS 7 Configuration Deployment and Administration book edited by Francesco Marchioni who is running a JBoss focused portal named mastertheboss.com. As mandated by Java EE specifications, an application server should ideally give its deployed applications the freedom to use whatever utility library and whatever version of it, regardless of the presence of ...

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java.lang.NoClassDefFoundError: How to resolve – Part 3

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This article is part 3 of our NoClassDefFoundError troubleshooting series. As I mentioned in my first article, there are many possible issues that can lead to a NoClassDefFoundError. This article will focus and describe one of the most common causes of this problem: failure of a Java class static initializer block or variable. A sample Java program will be provided and ...

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java.lang.NoClassDefFoundError: How to resolve – Part 2

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This article is part 2 of our NoClassDefFoundError troubleshooting series. Take a look at part 1. It will focus and describe the simplest type of NoClassDefFoundError problem. This article is ideal for Java beginners and I highly recommend that you compile and run the sample Java program yourself. The following writing format will be used going forward and will provide ...

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java.lang.NoClassDefFoundError: How to resolve – Part 1

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Exception in thread ‘main’ java.lang.NoClassDefFoundError is one of the common and difficult problems that you can face when developing Java EE enterprise or standalone Java applications. The complexity of the root cause analysis and resolution process mainly depend of the size of your Java EE middleware environment; especially given the high number of ClassLoaders present across the various Java EE ...

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Understanding and Extending Java ClassLoader

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The Java ClassLoader is one of the crucial but rarely used components of Java in Project Development. Personally I have never extended ClassLoader in any of my projects but the idea of having my own ClassLoader that can customize the Java Class Loading thrills me. This article will provide an overview of Java Class Loading and then move forward to ...

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