[jboss-dev-forums] [Design of JBoss ESB] - Class.forName() vs. Thread.currentThread().getContextClassLo

[bill.burke@jboss.com]

Please do not ever use Class.forName() in any of your code, but instead use Thread.currentThread().getContextClassLoader().loadClass().


Reason?  The reason is scoped classloaders.  Class.forName() will use the calling class's classloader.  So, if your code resides in a jbossesb.jar someplace, your code will use the ESB server's (JBoss) classloader, rather than the scoped one of your ESB deployment.  For example, if your actions are deployed in a scoped .esb file, then it will not run.

Bill

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