Error start elasticsearch in centos7

you mean something like this

[root@bigdata elasticsearch]# pwd
/etc/elasticsearch
[root@bigdata elasticsearch]# ll -h
total 164K
-rw-rw---- 1 root elasticsearch  199 Jul 13 14:07 elasticsearch.keystore
-rw-rw---- 1 root elasticsearch 2,8K Jul 13 14:43 elasticsearch.yml
-rw-r--r-- 1 root           989  23K Jun 11 14:35 hs_err_pid24963.log
-rw-r--r-- 1 root           989  23K Jun 11 14:37 hs_err_pid25558.log
-rw-r--r-- 1 root           989  23K Jun 11 14:39 hs_err_pid25688.log
-rw-r--r-- 1 root           989  23K Jun 11 14:40 hs_err_pid26090.log
-rw-r--r-- 1 root           989  23K Jun  9 13:58 hs_err_pid8475.log
-rw-rw---- 1 root elasticsearch 3,2K Jul  2 12:13 jvm.options
drwxr-s--- 2 root elasticsearch    6 Jul  2 12:17 jvm.options.d
-rw-rw---- 1 root           989 3,2K Jul 12 04:28 jvm.options.rpmsave
-rw-rw---- 1 root elasticsearch  19K Jul  2 12:13 log4j2.properties
-rw-rw---- 1 root elasticsearch  473 Jul  2 12:13 role_mapping.yml
-rw-rw---- 1 root elasticsearch  197 Jul  2 12:13 roles.yml
-rw-rw---- 1 root elasticsearch    0 Jul  2 12:13 users
-rw-rw---- 1 root elasticsearch    0 Jul  2 12:13 users_roles