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From "Howard M. Lewis Ship (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (TAP5-1941) Alerts component can fail with ComponentEventException is dismiss event triggered outside of XHR request (e.g., by web crawler)
Date Fri, 01 Aug 2014 17:23:40 GMT

     [ https://issues.apache.org/jira/browse/TAP5-1941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Howard M. Lewis Ship closed TAP5-1941.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 5.4

> Alerts component can fail with ComponentEventException is dismiss event triggered outside
of XHR request (e.g., by web crawler)
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-1941
>                 URL: https://issues.apache.org/jira/browse/TAP5-1941
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3.3
>            Reporter: Felix Gonschorek
>            Assignee: Howard M. Lewis Ship
>            Priority: Minor
>             Fix For: 5.4
>
>
> The Alerts component does not check for request.isXHR() in the "onDismiss" event handler.

> Crawlers (Googlebot) send non-xhr requests to the "onDismiss" event-url and generate
errors on my server, because the returned JSONObject is not a valid return value from an event
handler.
> org.apache.tapestry5.runtime.ComponentEventException: A component event handler method
returned the value {}. Return type org.apache.tapestry5.json.JSONObject can not be handled.

> A check for request.isXHR() and a conditional return value (null for non-ajax requests,
the json object for ajax requests) should fix this.
> thanks!



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