Merge pull request #915 from efiop/master

travis: use openjdk

scripts/ci/install_hadoop.sh

@@ -5,18 +5,8 @@
 set -x
 set -e
 
-# This command is used to tell shell, turn installation mode to non interactive
-# and set auto selection of agreement for Sun Java
-export DEBIAN_FRONTEND=noninteractive
-echo debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selections
-echo debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selections
-
-sudo apt-get update -y
-sudo apt-get install python-software-properties -y
-sudo add-apt-repository ppa:webupd8team/java -y
 sudo apt-get update -y
-sudo -E apt-get install oracle-java8-installer -y
-
+sudo apt-get install default-jdk
 java -version
 
 pushd /usr/local