On Thu, 10 Aug 2017 01:31:04 +0200, Gilles wrote:
On Wed, 9 Aug 2017 16:10:58 -0700, Gary Gregory wrote:
On Wed, Aug 9, 2017 at 3:52 PM, Gilles <gil...@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...

Done, didn't change a thing:
  https://travis-ci.org/apache/commons-math/jobs/262883559

Gilles


Gilles


Gary


Gilles



Gary


On Wed, Aug 9, 2017 at 3:19 PM, Gilles <gil...@harfang.homelinux.org>
wrote:

On Wed, 9 Aug 2017 15:46:54 +0100, sebb wrote:

On 9 August 2017 at 13:51, Gilles <gil...@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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