我最近升级我的机器从Ubuntu的14.04到16.04。我现在面临使用的问题，elasticsearch作为一个服务。我安装 elasticsearch使用：
sudo apt-get install elasticsearch
现在sudo service elasticsearch status命令显示了我这样的结果：
elasticsearch.service - LSB: Starts elasticsearch
Loaded: loaded (/etc/init.d/elasticsearch; bad; vendor preset: enabled)
Active: active (exited) since Sat 2016-07-30 18:28:13 BDT; 1h 19min ago
Docs: man:systemd-sysv-generator(8)
Main PID: 7988 (code=exited, status=1/FAILURE)
CGroup: /system.slice/elasticsearch.service
Jul 30 18:28:13 dimik elasticsearch[10266]: [warning] /etc/init.d/elasticsearch: No java runtime was found
Jul 30 18:28:13 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 18:28:46 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 18:35:30 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 19:04:36 dimik systemd[1]: Started A search engine.
Jul 30 19:07:48 dimik systemd[1]: Started A search engine.
Jul 30 19:27:01 dimik systemd[1]: Started A search engine.
Jul 30 19:27:51 dimik systemd[1]: Started A search engine.
Jul 30 19:28:54 dimik systemd[1]: Started A search engine.
Jul 30 19:29:18 dimik systemd[1]: Started LSB: Starts elasticsearch.
虽然Java安装在我的机器，我可以使用这个命令来启动服务器。
sudo /usr/share/elasticsearch/bin/elasticsearch
我有点卡住了这里。任何帮助将不胜感激。
编辑
设置后JAVA_HOME根的错误：
elasticsearch.service - LSB: Starts elasticsearch
Loaded: loaded (/etc/init.d/elasticsearch; bad; vendor preset: enabled)
Active: active (exited) since Sat 2016-07-30 18:28:13 BDT; 3h 32min ago
Docs: man:systemd-sysv-generator(8)
Main PID: 7988 (code=exited, status=1/FAILURE)
CGroup: /system.slice/elasticsearch.service
Jul 30 18:35:30 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 19:04:36 dimik systemd[1]: Started A search engine.
Jul 30 19:07:48 dimik systemd[1]: Started A search engine.
Jul 30 19:27:01 dimik systemd[1]: Started A search engine.
Jul 30 19:27:51 dimik systemd[1]: Started A search engine.
Jul 30 19:28:54 dimik systemd[1]: Started A search engine.
Jul 30 19:29:18 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 20:02:07 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 20:20:21 dimik systemd[1]: Started LSB: Starts elasticsearch.
Jul 30 21:59:21 dimik systemd[1]: Started LSB: Starts elasticsearch.
我发现这个问题的解决方案。该解决方案来自这个讨论thread- 与Ubuntu 16.04无法启动elasticsearch弹性的网站。
看来，让Elasticsearch上运行
16.04，你必须设置START_DAEMON到真/etc/default/elasticsearch。它配备的缺省注释掉，并取消注释这让Elasticsearch就好重新开始。一定要使用
systemctl restart，而不是仅仅start因为服务是正确安装后启动，而且显然有一些socket/pidfile/something是systemd保持必须能够再次启动该服务之前发布。
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我来说两句