Hi Roger, I removed the constructor im my latest webrev.
Best regards, Goetz. > -----Original Message----- > From: hotspot-runtime-dev [mailto:hotspot-runtime-dev- > boun...@openjdk.java.net] On Behalf Of Roger Riggs > Sent: Donnerstag, 19. April 2018 19:21 > To: David Holmes <david.hol...@oracle.com>; core-libs- > d...@openjdk.java.net; hotspot-runtime-...@openjdk.java.net > Subject: Re: RFR(M): 8201593: Print array length in > ArrayIndexOutOfBoundsException. > > Hi David, > > A private constructor that is apparently unused (because it is used > implicitly by code > buried in HotSpot) is going to raise questions. > > Strictly speaking the new constructor is not necessary since the native > code can > compose the full message and use the existing constructor. > I'd recommend that approach. > > Thanks, Roger > > p.s. I'm headed out on vacation today > > > On 4/18/18 6:07 PM, David Holmes wrote: > > Adding back hotspot-runtime-dev - please reply-all > > > > On 19/04/2018 1:26 AM, Roger Riggs wrote: > >> Hi, > >> > >> Also, the new constructor should be public so it can be used in other > >> places. > > > > That takes this from being a simple change that adds more info to the > > exception message, to an API addition that requires a CSR etc. That > > changes the scope considerably. > > > > I'm not 100% clear why we need to change the Java side of this when we > > can push a message with the desired info from the VM side? > Agreed > > > > David > > > >> It seems in some cases the error message is a literal in the VM code > >> ( typeArrayKlass.cpp:149). > >> That would seem to be a duplication and not really a good idea. > >> > >> Roger > >> > >> > >> On 4/18/18 10:30 AM, Roger Riggs wrote: > >>> Hi, > >>> > >>> The message can be simpler and more efficiently convey the > information. > >>> It should be more consistent with existing uses of > >>> ArrayIndexOutOfBoundsException as > >>> throw by: Objects.checkIndex(index, length). > >>> > >>> Which roughly reads as: > >>> > >>> Index %d out-of-bounds for length %d > >>> > >>> Regards, Roger > >>> > >>> On 4/18/18 4:54 AM, David Holmes wrote: > >>>> Adding core-libs-dev as you're changing > >>>> java.lang.ArrayIndexOutOfBoundsException. > >>>> > >>>> I appreciate the intent here but I find the messages excessively > >>>> verbose. The basic error is: > >>>> > >>>> index N is outside range [0, length-1] > >>>> > >>>> David > >>>> > >>>> On 18/04/2018 6:09 PM, Lindenmaier, Goetz wrote: > >>>>> Hi, > >>>>> > >>>>> I would like to print a more verbose text on ArrayIndexOutOfBounds > >>>>> exception > >>>>> that not only mentions the index, but also the length of the array > >>>>> accessed. > >>>>> See the bug for documentation of the change of the message. > >>>>> http://cr.openjdk.java.net/~goetz/wr18/8201593-lenInAIOOB/01/ > >>>>> > >>>>> @aarch/arm people: > >>>>> I edited the aarch/arm files. Could you please verify this is > >>>>> correct? > >>>>> I can not build on these platforms. > >>>>> > >>>>> The code on all the other platforms is tested with all the jtreg > >>>>> and jck tests etc. > >>>>> > >>>>> Best regards, > >>>>> Goetz. > >>>>> > >>>>> > >>> > >>