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Posted to commits@tapestry.apache.org by "Wulf Wechsung (Created) (JIRA)" <ji...@apache.org> on 2011/09/27 13:37:11 UTC

[jira] [Created] (TAP5-1672) Propertydisplay swallows NPEs

Propertydisplay swallows NPEs
-----------------------------

                 Key: TAP5-1672
                 URL: https://issues.apache.org/jira/browse/TAP5-1672
             Project: Tapestry 5
          Issue Type: Bug
          Components: tapestry-core
    Affects Versions: 5.2.6
            Reporter: Wulf Wechsung
            Priority: Minor



Situation:
A property (prop) on an object is realized by a getter (ie getProp()). The getter throws a NullPointerException on invokation. 

Observed Behavior:

Trying to display the property, the propertydisplay component reports an error "Property 'currentlyOverdue' contains a null value in the path." without any trace of the underlying NPE.


Expected Behavior:

The error report should include the stack-trace off the NPE and the error message could also be a bit clearer.



It's possible that propertydisplay also fails to report other exceptions that occur in a getter.



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