Changing from Oracle JDK to OpenJDK

[LuisGi93]

Hi team,
this PR closes #172 . Now OpenJDK is used instead of Oracle JDK.

[vagrant@localhost ~]$ java -version
openjdk version "1.8.0_212"
OpenJDK Runtime Environment (build 1.8.0_212-b04)
OpenJDK 64-Bit Server VM (build 25.212-b04, mixed mode)
[vagrant@localhost ~]$ sudo systemctl status elasticsearch
● elasticsearch.service - Elasticsearch
   Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/elasticsearch.service.d
           └─elasticsearch.conf
   Active: active (running) since Wed 2019-04-24 11:12:49 UTC; 30min ago
     Docs: http://www.elastic.co
 Main PID: 8123 (java)
   CGroup: /system.slice/elasticsearch.service
           ├─8123 /bin/java -Xms2362m -Xmx2362m -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+AlwaysPreTouch -server -Xss1m -Djava.awt.headless=true -Dfi...
           └─8260 /usr/share/elasticsearch/modules/x-pack-ml/platform/linux-x86_64/bin/controller

Apr 24 11:12:49 localhost.localdomain systemd[1]: Started Elasticsearch.
[vagrant@localhost ~]$ sudo systemctl status kibana
● kibana.service - Kibana
   Loaded: loaded (/etc/systemd/system/kibana.service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2019-04-24 11:13:09 UTC; 29min ago
 Main PID: 8421 (node)
   CGroup: /system.slice/kibana.service
           └─8421 /usr/share/kibana/bin/../node/bin/node --no-warnings --max-http-header-size=65536 /usr/share/kibana/bin/../src/cli -c /etc/kibana/kibana.yml

Apr 24 11:39:20 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:39:20Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:39:47 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:39:47Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:40:09 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:40:09Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:40:28 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:40:28Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:40:49 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:40:49Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:41:23 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:41:23Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:41:43 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:41:43Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:42:10 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:42:10Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:42:33 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:42:33Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Apr 24 11:42:49 localhost.localdomain kibana[8421]: {"type":"response","@timestamp":"2019-04-24T11:42:49Z","tags":[],"pid":8421,"method":"post","statusCode":200,"req":{"url":"/elasticsearch/_msear...11; Ubuntu; L
Hint: Some lines were ellipsized, use -l to show in full.

[dj-wasabi]

Sorry @LuisGi93 , but my PR caused some issues for you with this PR. Are you able to fix them so we can get this PR merged? I encounter this issue while making Molecule tests for the Elasticsearch roles. 😄

Thanks! 👍

[manuasir]

Hi @dj-wasabi ,

We're currently taking rid of this. Thanks for your warning.

[manuasir]

LGTM.