Use Java 8 in maven-integration-testing

[Maarten Mulders <ma...@mulders.it>]

Hi all,

While working on a new feature in Maven, I was writing some integration 
tests as well. I wanted to use Paths.get(...) and 
Files.newBufferedReader(...), but then I noticed that 
maven-integration-testing is (still) being built with Java 7 [1].

I understand it is important we can test older versions of Maven with 
maven-integration-testing. As to my knowledge, we can do that with Java 
8 just as well as with Java 7. According to [2], every 2.x or 1.x 
release of Maven is end-of-life, and the earliest non-EOL version is 
3.0-alpha-3, released in 2009. Java 6 was mainstream back then, and to 
my knowledge, you can run any Java 6 program on Java 8 just as well. In 
fact, we already run the integration tests against master on Java 8 [3].

Am I missing something obvious here? Would there be any objections to 
changing maven-integration-testing so it uses Java 8 for compilation as 
well?

Thanks,

Maarten

[1] 
https://github.com/apache/maven-integration-testing/blob/master/pom.xml#L70
[2] https://maven.apache.org/docs/history.html
[3] https://builds.apache.org/job/maven-box/job/maven/job/master/

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