Jochen Kemnade created TAP5-2133:
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             Summary: DefaultRequestExceptionHandler swallows exceptions
                 Key: TAP5-2133
                 URL: https://issues.apache.org/jira/browse/TAP5-2133
             Project: Tapestry 5
          Issue Type: Bug
          Components: tapestry-core
    Affects Versions: 5.4
            Reporter: Jochen Kemnade


If an exception is thrown from the try block in 
org.apache.tapestry5.internal.services.DefaultRequestExceptionHandler.handleRequestException(Throwable),
 it is swallowed without any notification. In my case, the problem was a 
LinkCreationListener's throwing a NPE in a redirected request originating from 
a previous exception. This was very hard to debug because the NPE didn't show 
up in any stack trace or log.
I suggest that either the handler fail completely if the try block throws an 
exception or at least log it.

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