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From "Mitth'raw'nuruodo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4849) ObjectFactory constructor signature change breaks extensions
Date Sun, 10 Sep 2017 23:45:00 GMT

    [ https://issues.apache.org/jira/browse/WW-4849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160514#comment-16160514
] 

Mitth'raw'nuruodo commented on WW-4849:
---------------------------------------

OK, if this change was really necessary, then:

- it should have been listed in the release notes as a breaking change;
- the documentation for how to write a custom object factory should have been updated;
- there should have been a transitional period, with the no-arg constructor present but deprecated,
so that third parties could update their code;
- ideally, critical security patches should have been released separately.

Should I assume, then, that the correct way to override {{ObjectFactory}} no longer requires
a default no-arg constructor in the subclass, and submit a pull request to the Guice project
on that basis?

> ObjectFactory constructor signature change breaks extensions
> ------------------------------------------------------------
>
>                 Key: WW-4849
>                 URL: https://issues.apache.org/jira/browse/WW-4849
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.5.13
>            Reporter: Mitth'raw'nuruodo
>             Fix For: 2.5.14
>
>
> Commit {{6f91d0776a545c911ca4f2875ed9976614711ef9}} changed the signature of the {{ObjectFactory}}
constructor, breaking all classes that extend {{ObjectFactory}} (as per https://struts.apache.org/docs/objectfactory.html).
This affects eg the [{{guice-servlet}} Struts plugin| https://github.com/google/guice/blob/master/extensions/struts2/src/com/google/inject/struts2/Struts2Factory.java].
> This was not listed on the [2.5.13 version notes|https://struts.apache.org/docs/version-notes-2513.html]
as a breaking change, and breaking changes should preferably be avoided in critical security
updates.



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