Systemd status incorrect on RHEL/CentOS 7, causing fail about ansible-role-solr HOT 5 CLOSED

Jul 24 03:19:51 centos7test systemd[1]: Starting Session c1 of user solr.
-- Subject: Unit session-c1.scope has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit session-c1.scope has begun starting up.
Jul 24 03:19:51 centos7test su[12809]: pam_unix(su-l:session): session opened for user solr by (uid=0)
Jul 24 03:19:51 centos7test solr[12807]: Port 8983 is already being used by another process (pid: 12603)
Jul 24 03:19:51 centos7test solr[12807]: Please choose a different port using the -p option.
Jul 24 03:19:51 centos7test su[12809]: pam_unix(su-l:session): session closed for user solr
Jul 24 03:19:51 centos7test systemd[1]: solr.service: control process exited, code=exited status=1
Jul 24 03:19:51 centos7test systemd[1]: Failed to start LSB: Controls Apache Solr as a Service.
-- Subject: Unit solr.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit solr.service has failed.
-- 
-- The result is failed.
Jul 24 03:19:51 centos7test systemd[1]: Unit solr.service entered failed state.
Jul 24 03:19:51 centos7test systemd[1]: solr.service failed.

$ sudo service solr status

Found 1 Solr nodes: 

Solr process 12603 running on port 8983
{
  "solr_home":"/var/solr/data",
  "version":"5.5.2 8e5d40b22a3968df065dfc078ef81cbb031f0e4a - sarowe - 2016-06-21 11:44:11",
  "startTime":"2016-07-24T03:19:40.136Z",
  "uptime":"0 days, 0 hours, 2 minutes, 21 seconds",
  "memory":"57.3 MB (%11.7) of 490.7 MB"}

TASK [geerlingguy.solr : Check current list of Solr cores.] ********************
fatal: [centos7]: FAILED! => {"changed": false, "content": "", "failed": true, "msg": "Status code was not [200]: Request failed: <urlopen error [Errno 111] Connection refused>", "redirected": false, "status": -1, "url": "http://localhost:8983/solr/admin/cores"}