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https://issues.apache.org/jira/browse/WICKET-3175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12932650#action_12932650
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Michał Letyński commented on WICKET-3175:
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@peter: its not a matter of number items on page. You can have 10 radio in list
view which is refreshed via ajax. On each refresh, radio buttons will be
recreated (it can be recreated on different cirumstances for e.g addOrReplace).
User is working couple of hours on page, sessionTimeout is set to high value.
Page autoIndex will not stop to grow.
> Radio uuid is calculated wrongly for heavy instalations.
> --------------------------------------------------------
>
> Key: WICKET-3175
> URL: https://issues.apache.org/jira/browse/WICKET-3175
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.13
> Reporter: Michał Letyński
> Attachments: radioproblem.tgz, WICKET-3175.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> On big page's autoIndex for Page is getting bigger. Autoindex is used for
> radio buttons to identify its value (return "radio" + uuid).
> Uuid is a short primitive type and when its bigger then 32767 it become
> negative. Its a problem for radio button getValue code which looks like this:
> public String getValue()
> {
> if (uuid < 0)
> {
> uuid = getPage().getAutoIndex();
> }
> return "radio" + uuid;
> }
> In such case new uuid is set and we will get an error after submit this radio:
> "WicketMessage: submitted http post value [radio-32768] for RadioGroup
> component [0:form:radioGroup] is illegal because it does not contain relative
> path to a Radio componnet. Due to this the RadioGroup component cannot
> resolve the selected Radio component pointed to by the illegal value. A
> possible reason is that componment hierarchy changed between rendering and
> form submission."
> Problem can be solved by changing short primitive type to Short object and
> checking its not null instead of <0.
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