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https://issues.apache.org/jira/browse/TAP5-721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714694#action_12714694
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Joost Schouten commented on TAP5-721:
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I just started looking for a way on how to make this work and have an
architecture question. The logic to handle a missing key message or exception
lives in AbstractMessages and is quite straight forward. Adding a boolean field
exceptionOnMissingKey which defaults to false and providing an extra
constructor taking both the Locale and this boolean. The tricky part however is
that all Messages are instantiated using a static forClass() method which
obviously cant pass any System property like this one along. In my oppinion
this only leaves me with the option of making the exceptionOnMissingKey a
static field and setting it in the TapestryModule, depending on
SymbolConstant.EXCEPTION_ON_MISSING_KEY == "true".
I don't particularly like the idea of a static field though and can imagine
more people with me. So my question; What would be the best way to go about
this problem? Is there a singleton service we can always asume present for all
of Tapestry which could be accessed by the AbstractMessages? Or would there
need to be a complete rethink of how Messages are instantiated in order to
cater for Exceptions on missing keys?
Cheers,
Joost
> missing message key fail with exception
> ---------------------------------------
>
> Key: TAP5-721
> URL: https://issues.apache.org/jira/browse/TAP5-721
> Project: Tapestry 5
> Issue Type: Improvement
> Affects Versions: 5.2
> Reporter: Joost Schouten
>
> I would like a way to tell tapestry to thrown an exception on encountering a
> missing message key. Printing of the "missing key" message on the page
> results in silent failure especially for larger apps.
> I would propose adding a boolean symbol along the lines of
> MISSING_MESSAGE_KEY_FAIL_WITH_EXCEPTION which defaults to false.
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