Elastic Search PHP Index Process Stalled

We have Elasticsearch installed on our PHP based Intranet.
Unfortunately the Index process seems to have stalled out about 3 months ago.
So the Elasticsearch index not pulling in new information or indexing anything at all.
Poked around querying the 9200 port.
Even created a another non working Index with Curl based on the settings information I obtained from my API queries.
Done the standard restarting of services and rebooting of the Centos 7 server.

I've been researching this for about a month with no luck.
Below is the output for the version of elasticsearch we're running.
Any advice you could provide would greatly appreciated.

Thank you

{
  "status" : 200,
  "name" : "Gorgon",
  "cluster_name" : "elasticsearch",
  "version" : {
    "number" : "1.4.5",
    "build_hash" : "2aaf797f2a571dcb779a3b61180afe8390ab61f9",
    "build_timestamp" : "2015-04-27T08:06:06Z",
    "build_snapshot" : false,
    "lucene_version" : "4.10.4"
  },
  "tagline" : "You Know, for Search"
}

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