Install jdk

Author: stsewd

scripts/travis/install_elasticsearch.sh

@@ -2,11 +2,12 @@ if [ $ES_VERSION ]
 then
     sudo add-apt-repository -y ppa:openjdk-r/ppa  
     sudo apt-get update -y
-    sudo apt-get install -y openjdk-7-jre
+    sudo apt-get install -y openjdk-7-jdk
     java --version
     sudo update-java-alternatives --list
     sudo update-java-alternatives --set java-1.7.0-openjdk-amd64
     java --version
+
     sudo apt-get purge -y elasticsearch
     wget https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-${ES_VERSION}.tar.gz
     tar -xzf elasticsearch-${ES_VERSION}.tar.gz