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

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-5731.
-------------------------------

    Resolution: Rejected

Not sure what we can do here other than bring this to the attention of the Javassist developers and get them to fix this, then upgrade once that fix is released.

> Javassist Enhancement fails when JPA Entity has an attribute named "handler"
> ----------------------------------------------------------------------------
>
>                 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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