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Elasticsearch Connector

Elasticsearch Nodes version by Daniel Esser

This node creates a connection to Elasticsearch.


The protocol used to connect to Elasticsearch. The following strategies are available:
  • HTTP: Connect via HTTP. Be aware: Data transfer is send unencrypted and vulnerable to man-in-the-middle attacks.
  • HTTPS: Connect via HTTPS. Data transfer is send encrypted. The Elasticsearch server has to support this mode.
Host name.
Network port under which Elasticsearch can be reached. By default Elasticsearch uses port 9200 for communication.
Accept all certificates
If enabled, all SSL certificates will be accepted. Caution: Only enable this option if you really know what you are doing!
The protocol used to connect to Elasticsearch. The following strategies are available:
  • None: No authentidaction is used. Elasticsearch can be accessed without any access restrictions.
  • Credentials: Credentials are injected via KNIME credentials. Select the proper credential via drop-down menu.
  • Username & Password: Username and password are provided within the dialog. Enter username and password in the provided text fields.

Output Ports

An Elasticsearch connection.

Best Friends (Outgoing)



To use this node in KNIME, install Elasticsearch Nodes from the following update site:


A zipped version of the software site can be downloaded here.

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