i just ran the program you wrote above in my IDE and got the below error. we are using apache license. In which file do we have to comment the xpack settings.
SampleESClient
client*** org.elasticsearch.client.RestHighLevelClient@797b0699
java.net.ConnectException: Connection refused
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:823)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:235)
at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1611)
at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1581)
at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1551)
at org.elasticsearch.client.ClusterClient.health(ClusterClient.java:130)
at SampleESClient.java:21)
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvent(DefaultConnectingIOReactor.java:173)
at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:147)
at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:350)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
at java.lang.Thread.run(Thread.java:748)