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Posted to dev@tuscany.apache.org by "Raymond Feng (JIRA)" <tu...@ws.apache.org> on 2007/08/15 00:41:31 UTC
[jira] Resolved: (TUSCANY-1515) The JavaBeansDataBinding does not
provide an exception handler
[ https://issues.apache.org/jira/browse/TUSCANY-1515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raymond Feng resolved TUSCANY-1515.
-----------------------------------
Resolution: Fixed
Patch applied under r565954. Thank you, Matt!
> The JavaBeansDataBinding does not provide an exception handler
> --------------------------------------------------------------
>
> Key: TUSCANY-1515
> URL: https://issues.apache.org/jira/browse/TUSCANY-1515
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Data Binding Runtime
> Affects Versions: Java-SCA-0.90, Java-SCA-0.91, Java-SCA-Next
> Environment: svn revision 563847
> Reporter: Matthew Sykes
> Priority: Minor
> Fix For: Java-SCA-Next
>
> Attachments: javabeans-exception-handler.diff
>
>
> The DefaultDataBindingExtensionPoint explicitly omits classes that extend java.lang.Throwable from being associated with the JavaBeansDataBinding. Without an association to the JavaBeansDataBinding (or some other "default" databinding), fault transformations from POJO exceptions to some other databinding do not occur as the transformation chain can't be established. The symptom of this is a new TransformationException("Target fault type cannot be resolved") getting thrown from the DataTransformationInterceptor.
> After removing the code in the DefaultDataBindingExtensionPoint that explicitly omits java.lang.Throwable classes from being associated with the JavaBeansDataBinding, an ExceptionHandler needed to be created for the JavaBeansDataBinding. An initial, naive implementation is attached as a patch. This implementation will simply act as a holder of the original exception and return it on createException.
> With these changes the Exception2ExceptionTransformer was able to establish a transformation from the JavaBeansDataBinding to a custom DataBinding implementation. Further work may be needed in the exception handler.
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