[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5731) Javassist Enhancement fails when JPA Entity has an attribute named "handler"

[Jan Van Bulck (JIRA)]

Javassist Enhancement fails when JPA Entity has an attribute named "handler"
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                 Key: HHH-5731
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5731
             Project: Hibernate Core
          Issue Type: Bug
    Affects Versions: 3.5.5
         Environment: Hibernate 3.5.5  (I observed the problem in JBoss AS 6 M4 and M5)
(Database MySQL)
            Reporter: Jan Van Bulck



I have an Entity called {{HandlerError}}, refering to another Entity called {{Handler}}

The getter {{getHandler()}} causes following problem when I deploy the application to JBoss 6 AS *M4*

{code}
15:49:37,306 ERROR [BasicLazyInitializer] Javassist Enhancement failed: c.u.p.model.HandlerError: java.lang.RuntimeException: duplicate method: getHandler in c.u.p.model.HandlerError_$$_javassist_11
        at javassist.util.proxy.ProxyFactory.createClass3(ProxyFactory.java:509) [javassist.jar:6.0.0.20100721-M4]
        at javassist.util.proxy.ProxyFactory.createClass2(ProxyFactory.java:486) [javassist.jar:6.0.0.20100721-M4]
        at javassist.util.proxy.ProxyFactory.createClass1(ProxyFactory.java:422)
...

Caused by: javassist.bytecode.DuplicateMemberException: duplicate method: getHandler in c.u.p.model.HandlerError_$$_javassist_11
        at javassist.bytecode.ClassFile.testExistingMethod(ClassFile.java:637) [javassist.jar:6.0.0.20100721-M4]
...

15:49:37,311 WARN  [PojoEntityTuplizer] could not create proxy factory for:com.unifiedpost.payments.model.HandlerError: org.hibernate.HibernateException: Javassist Enhancement failed: c.u.p.model.HandlerError
        at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:170) [:3.5.2-Final]
        at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:66) [:3.5.2-Final]
{code}

The same code works well in JBoss 6 AS *M3*.

||JBoss 6 Release||Javassist dependency||
|M3         |javassist-3.11.0.GA.jar|
|M4         |javassist-3.12.1.GA.jar|
|M5         |javassist-3.12.1.GA.jar|
|20101112   |javassist-3.12.1.GA.jar|

In between M3 and M4, following issue has been 'fixed': [JASSIST-97|https://jira.jboss.org/browse/JASSIST-97]
Not sure if it's related, but it looks close given the [patch|https://jira.jboss.org/secure/attachment/12332449/JASSIST-97.patch]

 
 








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