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https://issues.apache.org/jira/browse/WICKET-2887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12871336#action_12871336
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Martin Grigorov edited comment on WICKET-2887 at 5/25/10 5:37 PM:
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I have a question about the design of
org.apache.wicket.protocol.http.IWebApplicationFactory:
Is it needed to use addComponentInstantiationListener(...) in MyApp#init() if I
use an implementation of org.apache.wicket.protocol.http.IWebApplicationFactory
?
org.apache.wicket.guice.GuiceWebApplicationFactory installs
GuiceComponentInjector automatically.
org.apache.wicket.spring.SpringWebApplicationFactory don't do that and the user
still has to install the listener explicitly.
I believe Guice approach is the better one.
was (Author: martin-g):
I have a question about the design of
org.apache.wicket.protocol.http.IWebApplicationFactory:
Is it needed to use addComponentInstantiationListener(...) in MyApp#init() if I
use an implementation of org.apache.wicket.protocol.http.IWebApplicationFactory
?
org.apache.wicket.guice.GuiceWebApplicationFactory installs
GuiceComponentInjector automatically.
org.apache.wicket.spring.SpringWebApplicationFactory don't do that and the user
still has to install the listener explicitly.
I believe Guice approach is the better one.
A fix could be to move "Application.set(webApplication);" in
WicketFilter#init(FilterConfig) few lines above to be just before
"webApplication = webApplicationFactory.createApplication(this);"
> Bootstraping wicket with GuiceWebApplicationFactory fails with exception
> ------------------------------------------------------------------------
>
> Key: WICKET-2887
> URL: https://issues.apache.org/jira/browse/WICKET-2887
> Project: Wicket
> Issue Type: Bug
> Components: wicket-guice
> Affects Versions: 1.4.8, 1.4.9
> Reporter: Zilvinas Kybartas
> Attachments: WICKET-2887-1.4.9.patch
>
>
> There seems to be some sort of chicken-egg problem:
> org.apache.wicket.WicketRuntimeException: There is no application attached to
> current thread main
> at org.apache.wicket.Application.get(Application.java:179)
> [wicket-1.4.9.jar:1.4.9]
> at
> org.apache.wicket.injection.web.InjectorHolder.setInjector(InjectorHolder.java:88)
> [wicket-ioc-1.4.9.jar:1.4.9]
> at
> org.apache.wicket.guice.GuiceComponentInjector.<init>(GuiceComponentInjector.java:102)
> [wicket-guice-1.4.9.jar:1.4.9]
> at
> org.apache.wicket.guice.GuiceWebApplicationFactory.createApplication(GuiceWebApplicationFactory.java:177)
> [wicket-guice-1.4.9.jar:1.4.9]
> at
> org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:701)
> [wicket-1.4.9.jar:1.4.9]
> After some digging i found that it is actually a regression made by this
> issue fix - WICKET-2761.
> If I rollback wicket-guice to 1.4.7, everything starts to work just fine.
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