CLONE -java.lang.StackOverflowError in execution of INTRODUCED interface methods
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Key: JBAOP-72
URL: http://jira.jboss.com/jira/browse/JBAOP-72
Project: JBoss AOP
Type: Bug
Versions: 1.1
Environment: Windows XP, JBoss-AOP v1.1 Standalone
Reporter: rkadayam
Assigned to: Bill Burke
Priority: Critical
When an Interface is INTRODUCED into a class, the ClassAdvisor sets the
'unadvisedMethod' and the 'advisedMethod' fields on a MethodInfo instance to
the same value (provided there was no implementation for an Interface's method
on the original class).
The introduced method invokes the invokeNext() method on an attached
interceptor-stack and finally invokes the 'unadvisedMethod', which is itself.
This results in an infinite loop, which raises java.lang.StackOverflowError
There was no such problem in 'jboss-aop_1.0.0-FINAL', since the
'unadvisedMethod' would be set to null, if there was no implementation for an
Interface's method on the original class.
Since then, the following change to the ClassAdvisor sets an erroneous value to
the 'unadvisedMethod' field on the MethodInfo instance
http://cvs.sourceforge.net/viewcvs.py/jboss/jboss-aop/src/main/org/jboss/aop/ClassAdvisor.java?r1=1.95&r2=1.96
To fix the problem, remove 'if (umethod == null) umethod = amethod;' in the
initializeMethodChain() method of ClassAdvisor.
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