Javassist conflict with Struts2 in JBoss EAP

Solution Verified - Updated -

Issue

There is an issue with Struts 2.1.8 where a conflict with the Javassist library distributed with the JBoss Enterprise Application Platform (EAP) resulting in errors like

17:28:34,437 ERROR [BasicLazyInitializer] Javassist Enhancement failed: hello.Message
java.lang.RuntimeException: java.lang.IllegalArgumentException: Can not
set static javassist.util.proxy.MethodFilter field
hello.Message_$$_javassist_14._method_filter to
org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer$1
     at javassist.util.proxy.ProxyFactory.setField(ProxyFactory.java:358)

Environment

  • JBoss Enterprise Application Platform (EAP) 5
  • Struts 2.1.8

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