Sends an HTTP Response to the Requestor that generated a FlowFile. This Processor is designed to be used in conjunction with the HandleHttpRequest in order to create a web service.
http, https, response, egress, web service
In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.
| Display Name | API Name | Default Value | Allowable Values | Description |
|---|---|---|---|---|
| HTTP Status Code | HTTP Status Code | The HTTP Status Code to use when responding to the HTTP Request. See Section 10 of RFC 2616 for more information. Supports Expression Language: true (will be evaluated using flow file attributes and variable registry) | ||
| HTTP Context Map | HTTP Context Map | Controller Service API: HttpContextMap Implementation: StandardHttpContextMap | The HTTP Context Map Controller Service to use for caching the HTTP Request Information | |
| Attributes to add to the HTTP Response (Regex) | Attributes to add to the HTTP Response (Regex) | Specifies the Regular Expression that determines the names of FlowFile attributes that should be added to the HTTP response |
Supports Sensitive Dynamic Properties: No
Dynamic Properties allow the user to specify both the name and value of a property.
| Name | Value | Description |
|---|---|---|
| An HTTP header name | An HTTP header value | These HTTPHeaders are set in the HTTP Response Supports Expression Language: true (will be evaluated using flow file attributes and variable registry) |
| Name | Description |
|---|---|
| success | FlowFiles will be routed to this Relationship after the response has been successfully sent to the requestor |
| failure | FlowFiles will be routed to this Relationship if the Processor is unable to respond to the requestor. This may happen, for instance, if the connection times out or if NiFi is restarted before responding to the HTTP Request. |
| Name | Description |
|---|---|
| http.context.identifier | The value of this attribute is used to lookup the HTTP Response so that the proper message can be sent back to the requestor. If this attribute is missing, the FlowFile will be routed to 'failure.' |
| http.request.uri | Value of the URI requested by the client. Used for provenance event. |
| http.remote.host | IP address of the client. Used for provenance event. |
| http.local.name | IP address/hostname of the server. Used for provenance event. |
| http.server.port | Listening port of the server. Used for provenance event. |
| http.subject.dn | SSL distinguished name (if any). Used for provenance event. |