Change oraclejdk8 by openjdk8
Change oraclejdk8 by openjdk8

The install of oraclejdk8 is failling. The fix as stated here https://travis-ci.community/t/install-of-oracle-jdk8-is-failing/4365 is to either change the dist or change to openjdk. I think the proper solution is to use openjdk
researchgate/restler