Successful Response

Elasticsearch REST performRequest api always returned response  for Synchronous by object Response and for Asynchronous by ResponseListener which contain response object. Response object contains other fields as given below:

Host

getHost() api return host information.

requestLine

getRequestLine() api returned information about performed request.

statusLine

return response status code by calling getStatusLine()

headers

provide response all header information by api getHeaders() if need to get specific one can get by getHeader(String).

Entity

Entity keeps all the content of response which comes after query or filters. We can get this by calling getEntity()

Failure Response or Exception

IOException

Communication problem like SocketTimeout etc.

ResponseException

Response received with status code not having 200 for OK. Response Exception not occurs for code 404 which indicate resource is not available.

Read More on Elasticsearch REST

• Elasticsearch REST API and Configuration
• Elasticsearch REST Java Connection Client
• Elasticsearch REST Synchronous and Asynchronous performRequest APIs
• Elasticsearch REST JAVA Client for Cluster Detail
• Elasticsearch REST JAVA Client to get Index Details List

Integration

Integrate Filebeat, Kafka, Logstash, Elasticsearch and Kibana