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https://issues.apache.org/jira/browse/WICKET-4?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468896
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Igor Vaynberg commented on WICKET-4:
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in the end i do not think we are going to support this because there is no good
way to do it.
onattach will be called before render and while the hieararchy can still be
modified - like it is now
we were talking about dropping beforerender and renaming onattach to
beforerender - because that is what it really is
> Page.onBeginRequest() [and consequently .onAttach()] not called when form on
> page is submitted.
> -----------------------------------------------------------------------------------------------
>
> Key: WICKET-4
> URL: https://issues.apache.org/jira/browse/WICKET-4
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.2.2
> Environment: os = OS X 10.4.8; java version = jre/jdk 1.5.0_06;
> servlet container = jetty-5.1.11RC0
> Reporter: Paul Milovanov
> Assigned To: Johan Compagner
> Priority: Critical
> Fix For: 1.3, 2.0
>
>
> Page.onBeginRequest() [and consequently .onAttach()] not called when form on
> page is submitted. Form.onBeginRequest() is not called as well. However,
> Page.onEndRequest() and Form.onEndRequest() are called correctly.
> In more detail:
> I have a page, FrontPage, and a form LoginForm on it (The form has
> defaultFormProcessing = true)
> onBeginRequest(), onEndRequest() in FrontPage, LoginForm, are overriden as
> follows:
> protected void onBeginRequest() {
> log.debug("request begin");
> ...
> super.onBeginRequest();
> }
> protected void onEndRequest() {
> super.onEndRequest();
> ...
> log.debug("request end");
> }
> So I load FrontPage, type in data into the form (that corr. to LoginForm) and
> submit form.
> The log output is as follows
> //first load of page
> DEBUG <hotline.pages.FrontPage> request begin
> ...
> DEBUG <hotline.pages.FrontPage$LoginForm> request begin
> ...
> DEBUG <hotline.pages.FrontPage> request end
> DEBUG <hotline.pages.FrontPage$LoginForm> request end
> ...
> //form submitted
> DEBUG <hotline.pages.FrontPage> request end
> DEBUG <hotline.pages.FrontPage$LoginForm> request end
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