[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-4031) JavassistInstrumentor throws ClassNotFoundException when scanning annotations

Paul Mooney (JIRA) jira-events at lists.jboss.org
Sun Mar 22 19:38:22 EDT 2009

JavassistInstrumentor throws ClassNotFoundException when scanning annotations

                 Key: JBSEAM-4031
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4031
             Project: Seam
          Issue Type: Bug
          Components: Wicket
            Reporter: Paul Mooney

A ClassNotFoundException is thrown when the javassistInstrumentor encounters annotations that are not in the classpath. This happens when :

-Using the seam-instrument-wicket plugin
-scanAnnotations is true
-Classes that match the 'includes' patterns have a TYPE targetted annotation which is defined in the project, or in an artifact that is not a dependency of the plugin.

This seems to happen because dependencies of the project, and the project's classes are not in the classpath of the seam-instrument-wicket plugin.

Possible Solutions:
1. Somehow put all of the project's dependencies and classes in the plugin's classpath when it runs.


2. Replace all calls to 'CtClass.getAnnotations()' inside of JavassistInstrumentor with 'CtClass.getAvailableAnnotations()' which only loads Annotations on the classpath and does not throw a ClassNotFoundException.

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