We’re having a class loader issue compiling rules that use dynamically generated java beans as facts when deploying our application on JBoss Application Server, versions 4.0.3SP1 and 4.0.5. We’re using JBoss Rules 4.0.0.MR2 and the Janino compiler. When deploying to WebLogic 9.2, there are no issues compiling or executing those same rules.
We’ve tried setting the class loader several different ways, including using the method Edson suggests in his blog entry on using dynamically generated classes. The issue seems to be with the JBoss class loader UnifiedClassLoader3, which contains a list of blacklisted classes. If I cast the context class loader to UnifiedClassLoader3, and call ‘ clearBlackLists()’ before compiling the rules, the rules compile and execute without any issues. Otherwise, I get the error ‘Unable to resolve ObjectType 'NameOfGeneratedClass'’. My question is has anyone run across this issue before, or does anyone have a solution to this problem that doesn’t require application server specific code (casting and calling the clearBlackLists method)? Thank you, Jordan Parker
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