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From Ted Yu <>
Subject Re: Updating Spark PR builder and 2.x test jobs to use Java 8 JDK
Date Tue, 05 Apr 2016 23:14:29 GMT
You may have noticed the following error (

[error] javac: invalid source release: 1.8
[error] Usage: javac <options> <source files>
[error] use -help for a list of possible options

On Tue, Apr 5, 2016 at 2:14 PM, Josh Rosen <> wrote:

> In order to be able to run Java 8 API compatibility tests, I'm going to
> push a new set of Jenkins configurations for Spark's test and PR builders
> so that those jobs use a Java 8 JDK. I tried this once in the past and it
> seemed to introduce some rare, transient flakiness in certain tests, so if
> anyone observes new test failures please email me and I'll investigate
> right away.
> Note that this change has no impact on Spark's supported JDK versions and
> our build will still target Java 7 and emit Java 7 bytecode; the purpose of
> this change is simply to allow the Java 8 lambda tests to be run as part of
> PR builder runs.
> - Josh

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