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From Phil Steitz <phil.ste...@gmail.com>
Subject Re: [VOTE][RC1] Release Commons Math 3.4.1
Date Fri, 09 Jan 2015 19:51:26 GMT
On 1/9/15 10:56 AM, sebb wrote:
> On 9 January 2015 at 17:21, Phil Steitz <phil.steitz@gmail.com> wrote:
>> On 1/9/15 10:06 AM, James Carman wrote:
>>> On Fri, Jan 9, 2015 at 12:03 PM, Phil Steitz <phil.steitz@gmail.com> wrote:
>>>
>>>> No, must be some issue with the environment or JDK.  I get
>>>> consistent, stable success under both Ant and Maven using the 1.5
>>>> JDK above.
>>> Our CI builds are all fine, right?
>> I can't explain the results linked above.  I have no idea what maven
>> does under the covers to try to simulate a 1.5 build in that
>> environment or what 1.5 jdk is actually being used.  The tests
>> succeed consistently for me using Oracle 1.5-1.7 JDKs under both Ant
>> and Maven.  I did have to down-rev Maven to 3.1.1, get rid of some
>> cruft and tweak the Ant build to grab the Hamcrest jars; but the
>> test goals succeed consistently.
> Maven does not simulate anything.
> Instead of running compile and test under its own JDK, it uses the
> alternate jdk.
>
> http://maven.apache.org/plugins/maven-compiler-plugin/examples/compile-using-different-jdk.html
>
> I've made this all clearer in the commons-parent-pom docs:
>
> http://commons.apache.org/commons-parent-pom.html
> and
> http://commons.apache.org/building.html
>
> [May not yet have been published]
>
> Note that Jenkins only failed the tests *once*; other tests (using the
> same JDK) have been OK.
> As I wrote elsethread, that suggests the tests are not 100% stable.
> Or perhaps there is an issue on a specific Jenkins host; I've not
> checked which hosts were involved yet.

I just looked at a few of the failed tests.  I suspect that what is
going on is that tests from the same class are being executed
concurrently and the test class has instance data.  I did not think
the pom was set up to allow this and I have never seen this kind of
failure before.

Phil
>
>
>> Phil
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>>
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