Add to Solr (Data) (Solr)


This operator adds an example set to Solr.


To connect to a Solr server, you have to specify a Solr connection. This comprises the URL of a Solr server and an optional user/password combination for authentication. Typically, the Solr server URL ends with the string '/solr'.

The next step is to select a collection on the server. A collection can be imagined as a table. It is composed of several columns, which are called Solr fields. A Solr field has a type (e.g. number) and a key (the name of the column). Each entry in Solr can be imagined as a row and contains values for the respective fields.

A RapidMiner example set has a very similar structure. It also can be imagined as a table. Therefore every row of RapidMiner is added as row in Solr. The RapidMiner attributes are used as Solr collection fields.


  • input (Data Table)

    This port connects the example set, which has to be added.

  • connection (Connection)

    This input port expects a Connection object if any. See the parameter connection entry for more information.


  • through (Data Table)

    The added example set is provided at this port.

  • connection (Connection)

    This output port delivers the Connection object from the input port. If the input port is not connected the port delivers nothing.


  • connection_source This parameter indicates how the connection should be specified. It gives you two options, predefined and repository. The parameter is not visible if the connection input port is connected. Range: selection
  • connection_entry This parameter is only available when the connection source parameter is set to repository. This parameter is used to specify a repository location that represents a connection entry. The connection can also be provided using the connection input port. Range: string
  • connection This parameter is only available when the connection source parameter is set to predefined. The connection details for the Solr connection have to be specified. If you have already configured a Solr connection, you can select it from the drop-down list. If you have not configured a Solr connection yet, select the icon to the right of the drop-down list. Create a new Solr connection in the Manage connections dialog. The Solr server URL is required. Additionally, you can specify a username/password combination for authentication. Range: configurable
  • collection Provide the name of the Solr collection, which has to be used to access data. Range: string