Registers a Windows Event Log Subscribe Callback to receive FlowFiles from Events on Windows. These can be filtered via channel and XPath.
ingest, event, windows
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 |
|---|---|---|---|---|
| Channel | channel | System | The Windows Event Log Channel to listen to. Supports Expression Language: true (will be evaluated using Environment variables only) | |
| XPath Query | query | * | XPath Query to filter events. (See https://msdn.microsoft.com/en-us/library/windows/desktop/dd996910(v=vs.85).aspx for examples.) Supports Expression Language: true (will be evaluated using Environment variables only) | |
| Maximum Buffer Size | maxBuffer | 1048576 | The individual Event Log XMLs are rendered to a buffer. This specifies the maximum size in bytes that the buffer will be allowed to grow to. (Limiting the maximum size of an individual Event XML.) | |
| Maximum queue size | maxQueue | 1024 | Events are received asynchronously and must be output as FlowFiles when the processor is triggered. This specifies the maximum number of events to queue for transformation into FlowFiles. | |
| Inactive duration to reconnect | inactiveDurationToReconnect | 10 mins | If no new event logs are processed for the specified time period, this processor will try reconnecting to recover from a state where any further messages cannot be consumed. Such situation can happen if Windows Event Log service is restarted, or ERROR_EVT_QUERY_RESULT_STALE (15011) is returned. Setting no duration, e.g. '0 ms' disables auto-reconnection. Supports Expression Language: true (will be evaluated using Environment variables only) |
| Name | Description |
|---|---|
| success | Relationship for successfully consumed events. |
| Name | Description |
|---|---|
| mime.type | Will set a MIME type value of application/xml. |