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From Rick Hillegas <rick.hille...@oracle.com>
Subject Re: lots of regression test errors on Java 7
Date Tue, 08 Mar 2011 13:17:11 GMT
Thanks for chasing this down, Knut!

On 3/8/11 2:46 AM, Knut Anders Hatlen wrote:
> Knut Anders Hatlen<knut.hatlen@oracle.com>  writes:
>
>> Rick Hillegas<rick.hillegas@oracle.com>  writes:
>>
>>> The error in ParameterMetaDataJdbc30Test might occur if you change the
>>> order of the test cases. I believe that that order is platform
>>> dependent and just happens to be alphabetical on most of the platforms
>>> we test. Have we changed the version of Java 7 which we are using in
>>> our regression tests?
>> Hi Rick,
>>
>> The Java 7 installation on the regression test machines was updated from
>> 1.7.0-ea-b116 to 1.7.0-ea-b131 on the day these failures started
>> happening. I haven't been able to reproduce the failures in my
>> environment when running the tests separately. I'll start suites.All
>> with the same version and see if the failures can be reproduced then.
> It turns out that the ordering of methods changed in b129, probably
> because of http://bugs.sun.com/view_bug.do?bug_id=6990754. The exact
> order was unspecified even before that, but the methods happened to
> always be returned in the same order as they were specified in the class
> file.
>
> I see that there is a bug report to get the old ordering back
> (http://bugs.sun.com/view_bug.do?bug_id=7023180), but even if that's
> fixed, I think our tests should be changed to work regardless of the
> order in which they run. When we started testing on phoneME, many tests
> had to be fixed because phoneME returns the methods in the opposite
> order of what most other JVMs do.
>
> I'll file JIRA issues for the tests I've seen fail because of this.
> (It's a bit hard to reproduce the failures reliably, since the order
> varies between runs even on the same platform.)
>


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