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From "Bob Schellink (JIRA)" <>
Subject [jira] Commented: (CLK-561) Page#setForward(Class) silently fails for a non-existing .htm
Date Fri, 26 Jun 2009 16:09:07 GMT


Bob Schellink commented on CLK-561:

Actually the ConfigService.getPagePath says: "IllegalArgumentException - if the Page Class
is not configured with a unique path". Basically if you configure multiple templates to the
same Page and invoke getPagePath, Click won't know which template to return so it throws an

Not sure if we can easily change things at this stage as some code might be dependent on the
current behavior.

For the interim one can do this in a BorderPage:

public class BorderPage extends PAge {
  public void setForward(Class pageClass) {
    String path = getContext().getPagePath(pageClass);
    if(path ==null) {
      throw new IAE

> Page#setForward(Class) silently fails for a non-existing .htm
> -------------------------------------------------------------
>                 Key: CLK-561
>                 URL:
>             Project: Click
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 2.1.0
>            Reporter: WarnerJan Veldhuis
> When setting a forward in a page, and the corresponding .htm is missing, Page#setForward(Class)
will silently fail, and Page#getForward() will return null. Eventually, you will remain on
the current page, since ClickServlet  wasn't told otherwise.
> Example:
> ...
> public boolean onLogin() {
> ...
>    if ( isLoggedIn ) {
>         setForward(HomePage.class);
>         return false;
>    }
> ...
> }
> If home.htm is missing, setForward will set the forward field to null, while I would
expect it to barf with an IllegalArgumentException. The javadoc of ConfigService#getPagePath(Class)
also says: "@throws IllegalArgumentException if the Page Class is not configured"
> Proposed solution:
> Instead of returning null in XmlConfigService#getPagePage(Class), throw an IAE.

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