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https://issues.apache.org/jira/browse/WICKET-2573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg resolved WICKET-2573.
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Resolution: Fixed
Fix Version/s: 1.5-M1
1.4.4
Assignee: Igor Vaynberg
> Allow applications to chose not to use CGLIB proxies for @SpringBean
> injections
> -------------------------------------------------------------------------------
>
> Key: WICKET-2573
> URL: https://issues.apache.org/jira/browse/WICKET-2573
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-spring
> Affects Versions: 1.4.3, 1.5-M1
> Reporter: Kenny MacLeod
> Assignee: Igor Vaynberg
> Priority: Minor
> Fix For: 1.4.4, 1.5-M1
>
> Attachments: AnnotProxyFieldValueFactory.java, patch.txt,
> SpringComponentInjector.java
>
>
> Spring beans fetched from the spring context and injected into wicket
> components are currently proxied using CGLIB before being injected. These
> proxies are serializable, as required by the Servlet specification.
> However, this proxying puts restrictions on the beans being injected. If
> CGLIB cannot create the proxy (e.g. if the class to proxy has no default
> constructor, although there are other scenarios), then this technique does
> not work. Given that Spring beans can take on many obscure forms (Spring is
> less restrictive than CGLIB), this means that not all Spring beans can be
> injected.
> The simplest solution to this problem is to allow applications to specify
> that the injected Spring beans should not be proxied. Clearly, this should
> not be the default behaviour, since there's no guarantee that Spring beans
> are properly serializable. However, in many cases the developer knows this
> not to be an issue, either because they know the Spring beans are
> serializable (and will not drag half the appcontext along with them in the
> process), or because they know their container does not serialize sessions.
> In these situations, non-serializable objects are acceptable.
> It is trivial to modify SpringComponentInjector to support this behaviour.
> See attached patch.
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