apoc.log.error

Procedure Apoc Extended

apoc.log.error(message, params) - logs error message

Signature

apoc.log.error(message :: STRING?, params = [] :: LIST? OF ANY?) :: VOID

Name	Type	Default
message	STRING?	null
params	LIST? OF ANY?	[]

Name

Type

Default

message

STRING?

null

params

LIST? OF ANY?

[]

The procedure support the following properties in the APOC configuration file (apoc.conf):

Table 1. Config parameters
name	type	default	description
apoc.user.log.type	String	`safe`	Type of logging. `node`: disable the procedures `safe`: replace all `.` and whitespace (space and tab) with underscore and lowercase all characters `raw`: left the messages as-is
apoc.user.log.window.ops	Long	10	Number of log messages permitted in a time-window. If this quota is exceeded, log messags will be skipped.
apoc.user.log.window.time	Long	10000	Length (in milliseconds) of the time-window.

We can log a message to neo4j.log using the following query:

CALL apoc.log.error('Hello %s', ['World']);

neo4j.log

2020-11-18 10:22:28.923+0000 ERROR hello_world