Graylog Unable to connect to elastic search

Graylog Central (peer support)
1

I am getting below error on Graylog dashboard for Elastic search.

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Caused by: org.apache.http.conn.HttpHostConnectException: Connect to my-public-ip:9200 [/my-public-ip] failed: Connection refused (Connection refused)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159) ~[graylog.jar:?]
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:373) ~[graylog.jar:?]
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381) ~[graylog.jar:?]
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237) ~[graylog.jar:?]
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) ~[graylog.jar:?]
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) ~[graylog.jar:?]
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) ~[graylog.jar:?]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) ~[graylog.jar:?]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108) ~[graylog.jar:?]
at io.searchbox.client.http.JestHttpClient.executeRequest(JestHttpClient.java:151) ~[graylog.jar:?]
at io.searchbox.client.http.JestHttpClient.execute(JestHttpClient.java:77) ~[graylog.jar:?]
at org.graylog2.indexer.cluster.jest.JestUtils.execute(JestUtils.java:49) ~[graylog.jar:?]

2

It looks like the connection is being actively refused. Do you have a firewall (or firewalls) blocking the traffic? Is the host configured to accept connections on that port?

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