The Errors node emits messages when an unhandled error occurs in a Function node of a Deployment.

Only one Errors node can be added to a stack at a time.

Message Formats


When an error occurs the error object is emitted from the Errors node as the message. The object contains the following properties:

Field Type Description
class string Class of the error. Example: IllegalArgumentException
message string Error message. Example: 'foo' is an invalid value for argument 'bar'
stack string Error stack trace, where provided.
data Object Extra error data, where provided. string ID of the node that generated the error. Example: a83bd26f string Name of the node that generated the error, if the name exists. Example: My Function
stackery.runtime string Runtime of generating Function node, where available. Example: python
stackery.requestId string Request ID that generated the error, if available. Example: 6605b081-6f04-11e6-97ac-c34deb0b3dd9
stackery.message string The message passed into the function at invocation time, if available. Example: {"id": 5, "action": "PUT"}

Expected Response

The Errors node does not wait for responses after outputting error messages.

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