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List: openjdk-serviceability-dev
Subject: Re: RFR(S) 8227435: Perf::attach() should not throw a java.lang.Exception
From: David Holmes <david.holmes () oracle ! com>
Date: 2019-07-18 5:26:05
Message-ID: 0faa1129-aa75-4174-ee24-57dab4941e94 () oracle ! com
[Download RAW message or body]
On 16/07/2019 9:42 pm, Langer, Christoph wrote:
> Hi Ralf,
>
> looks good. Prior to pushing you'll have to take care of the copyright years in the \
> files you touched 😊
> cc-ing hotspot-runtime, because I think it affects this area, too.
tl;dr - looks fine. :)
I was in two minds about this. To me this is not an I/O error so the
current use of Exception rather than IOException seemed more
appropriate. But the Java code needs to match the VM code and tweaking
the Java code to allow for the Exception would have a flow-on affect to
the whole call chain. So overall treating this case as an IOException
seems far simpler and not terribly wrong.
Cheers,
David
-----
> Thanks
> Christoph
>
>
> From: serviceability-dev <serviceability-dev-bounces@openjdk.java.net> On Behalf Of \
> Schmelter, Ralf
> Sent: Montag, 15. Juli 2019 10:10
> To: OpenJDK Serviceability <serviceability-dev@openjdk.java.net>
> Subject: [CAUTION] RFR(S) 8227435: Perf::attach() should not throw a \
> java.lang.Exception
> Please review this small change. It changes the exception which will be thrown when \
> the perf file has not yet the correct size. Instead of throwing the (not declared) \
> java.lang.Exception, we will now throw java.io.IOException, which is expected by \
> the calling code.
> webrev: http://cr.openjdk.java.net/~rschmelter/webrevs/8227435/webrev.0/
> bugreport: https://bugs.openjdk.java.net/browse/JDK-8227435
>
> Best regards,
> Ralf
>
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