Feedback and comments on ARM proposal (original) (raw)
Roel Spilker r.spilker at gmail.com
Tue Mar 10 01:59:51 PDT 2009
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Having the addSuppressedException and getSuppressedExceptions would indeed allow java to add the Exception from the try-block to the one from the finally-block in existing code.
Are you suggesting that for each try-finally block (and I mean the current ones) the programmer should have the possibility to declare if the try-exception of the finally-exception is leading, defaulting to the finally-exception?
Moreover, it only addresses a small part of the problem. Every try-finally block in which one exception propagates out of the try block and another from the finally block causes the exception from the try block to be discarded, whether the try-finally is a result of attempting to manage a true-resource-with-close, to manage a resource that doesn't quite match what this proposal supports, or for any other reason. Given the narrow applicability of the proposed construct, I would hope to see at least some attempt to address the underlying problem.
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