apoc.log.warn

Procedure Apoc Extended

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

Signature

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

Input parameters

Name Type Default

message

STRING?

null

params

LIST? OF ANY?

[]

Config parameters

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.

Usage Examples

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

CALL apoc.log.warn('Hello %s', ['World']);
neo4j.log
2020-11-18 10:21:37.365+0000 WARN  hello_world