Fix reuse list tail exercise

[ghost]

Based on the work by @idarlington

[ghost]

@raulraja please take a look.

[raulraja]

LGTM!

[idarlington]

Hi @dialelo thanks, concerning hanging sbt test you have any idea why and any solutions?

[ghost]

Was your sbt test hanging? Weird. Compilation of tests is a bit slow since it uses Shapeless heavily but I've never experienced hanging tests, maybe tweaking the JVM settings can help?

[raulraja]

Try running sbt -v test and see what JVM args SBT is running with. It's most likely an OOM.

[idarlington]

@dialelo @raulraja I set max heap size at 2G and it still hangs at this point

[warn] 5 warnings found
[info] Compiling 37 Scala sources to /home/idarlington/Documents/REPOS/exercises-stdlib/target/scala-2.11/test-classes...

[raulraja]

What is the output of sbt -v test ?

[idarlington]

@raulraja this

[process_args] java_version = '1.8.0_91'
# Executing command line:
java
-Xmx2G
-XX:+UseConcMarkSweepGC
-XX:+CMSClassUnloadingEnabled
-XX:MaxPermSize=2G
-Xss2M
-Duser.timezone=GMT
-jar
/usr/share/sbt-launcher-packaging/bin/sbt-launch.jar

[raulraja]

That seems fine. Try sbt clean test

[idarlington]

Still hangs.

[raulraja]

I can't repro that, perhaps with more info about your environment. Builds
fine on travis which are usually crappy machines, so must be something
related to your setup.

On Mon, Jun 27, 2016 at 12:40 PM Ikenna Darlington Ogbajie <
notifications@github.com> wrote:

Still hangs.

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[idarlington]

I am runnning it on
Ubuntu 14.04,
12GB RAM,
sbt 0.13.7,
Java 1.8.0_91

[raulraja]

Can you try updating your sbt to the latest stable. That is an old version.
Not sure it matters since the launcher can fetch latest but in case.

On Mon, Jun 27, 2016 at 7:30 PM Ikenna Darlington Ogbajie <
notifications@github.com> wrote:

I am runnning it on
Ubuntu 14.04,
12GB RAM,
sbt 0.13.7,
java "1.8.0_91"

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[idarlington]

Hi, @raulraja , @dialelo it works fine now, had to delete the local version and clone it again. Thanks for trying to resolve this with me.

[raulraja]

Cool!

On Tue, Jun 28, 2016, 12:28 AM Ikenna Darlington Ogbajie <
notifications@github.com> wrote:

Hi, @raulraja https://github.com/raulraja , @dialelo
https://github.com/dialelo it works fine now, had to delete the local
version and clone it again. Thanks for trying to resolve this with me.

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