As a last step, query results are returned to requestors in a given format. Solr communicates with clients using the HTTP protocol. Those clients are free to start the interaction by asking for one format or another, depending on their needs.
Although a default format can be set, the client can override it by means of the wt
parameter. The value of the wt
parameter is a mnemonic code associated with an available response writer.
There are several built-in response writers in Solr, which are described here:
3.22.41.235