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https://issues.apache.org/jira/browse/WICKET-1740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg reassigned WICKET-1740:
-------------------------------------
Assignee: Johan Compagner
> RequestCycle.urlFor modifies page parameters
> --------------------------------------------
>
> Key: WICKET-1740
> URL: https://issues.apache.org/jira/browse/WICKET-1740
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 1.3.4
> Reporter: Juliano Viana
> Assignee: Johan Compagner
>
> The method RequestCycle.urlFor(final Component component,final
> RequestListenerInterface listener, ValueMap params) (RequestCycle.java line
> 824) obtains a PageParameters instance from the current page or creates a new
> instance if the page has no associated PageParameters. It then proceeds to
> add to the PageParameters instance all the parameters passed on the 'params'
> argument. If its using the PageParameters instance associated with the
> current Page that means the parameters of the page are permanently altered
> and any code later in the request cycle that depends upon these parameters is
> going to be broken.
> I believe the soluction would be to clone the PageParameters instance
> obtained from the Page, as in:
> PageParameters pageParameters = page.getPageParameters();
> if (pageParameters == null)
> {
> pageParameters = new PageParameters();
> }
> else
> pageParameters =
> (PageParameters)pageParameters.clone();
> The above change doesn't seem to break any test cases.
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