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Date: Thu, 10 Aug 2017 01:31:04 +0200
From: Gilles <gilles@harfang.homelinux.org>
To: <dev@commons.apache.org>
Subject: Re: [Math][ALL] Travis failing (with JDK7 but not JDK8)
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archived-at: Wed, 09 Aug 2017 23:31:12 -0000

On Wed, 9 Aug 2017 16:10:58 -0700, Gary Gregory wrote:
> On Wed, Aug 9, 2017 at 3:52 PM, Gilles <gilles@harfang.homelinux.org> 
> wrote:
>
>> On Wed, 9 Aug 2017 15:23:23 -0700, Gary Gregory wrote:
>>
>>> I would start by updating the Maven plugins and any third party 
>>> deps.
>>>
>>> For example:
>>>
>>> [INFO] --- maven-jgit-buildnumber-plugin:1.2.10:extract-buildnumber
>>> (default) @ commons-math4 ---
>>>
>>> [ERROR]
>>>
>>> org.eclipse.jgit.errors.RevWalkException: Walk failure.
>>>
>>> Why not try updating maven-jgit-buildnumber-plugin to the current 
>>> version?
>>>
>>
>> To which version?
>> Isn't this supposed to be defined in the "parent"?
>>
>
> You can check
> 
> https://search.maven.org/#search%7Cga%7C1%7Ca%3A%22maven-jgit-buildnumber-plugin%22

This link confirms that 1.2.10 is the latest version of the
tool used by Commons Math's POM.

Then, there is another (with a different GroupId) that is at
1.2.11. I'll try that one...

Gilles

>
> Gary
>
>>
>> Gilles
>>
>>
>>
>>> Gary
>>>
>>>
>>> On Wed, Aug 9, 2017 at 3:19 PM, Gilles 
>>> <gilles@harfang.homelinux.org>
>>> wrote:
>>>
>>> On Wed, 9 Aug 2017 15:46:54 +0100, sebb wrote:
>>>>
>>>> On 9 August 2017 at 13:51, Gilles <gilles@harfang.homelinux.org> 
>>>> wrote:
>>>>>
>>>>> Hi.
>>>>>>
>>>>>> Build with Java 8 runs fine:
>>>>>>   https://travis-ci.org/apache/commons-math/jobs/262647212
>>>>>>
>>>>>> But with Java 7:
>>>>>>   https://travis-ci.org/apache/commons-math/jobs/262647211
>>>>>>
>>>>>> Is anyone willing to debug this failure?
>>>>>>
>>>>>>
>>>>> 1) Bug in maven-jgit-buildnumber-plugin - rather noisy when it 
>>>>> cannot
>>>>> find the current git info
>>>>>
>>>>>
>>>> That's not what makes the build fail since it happens in both.
>>>>
>>>> 2) Bug in JVM - buffer overflow.
>>>>
>>>>>
>>>>>
>>>> That's the issue.
>>>>
>>>> [I should have mentioned that I had also read the job log,
>>>> before posting.]
>>>>
>>>>
>>>> Both of these could happen with any Java version.
>>>>>
>>>>> Or is this a hint for making Java 8 the minimum supported
>>>>>
>>>>>> version for the next release?
>>>>>>
>>>>>>
>>>>> That is not a valid conclusion from the evidence.
>>>>>
>>>>>
>>>> How do you draw that conclusion?
>>>>
>>>> More to the point, my request is: What to do to fix the negative
>>>> advertisement for the project which this Travis issue propagates
>>>> (see badge):
>>>>   https://github.com/apache/commons-math
>>>>
>>>>
>>>> Regards,
>>>> Gilles
>>>>
>>>>
>>>>
>>
>> 
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