tWarn – Docs for ESB 5.x

Component family

Logs & Errors

Function

This component provides a priority-rated message to the next
component. It does not stop your Job in case of error. If you want
to kill a Job in case of error, see tDie.

Purpose

Triggers a warning often caught by the tLogCatcher component for exhaustive log.

Basic settings

Warn message

Type in your warning message.

Code

Define the code level.

Priority

Enter the priority level as an integer.

Global Variables

WARN_MESSAGES: the warning message. This is an After
variable and it returns a string.

WARN_CODE: the code level of the warning message. This is
an After variable and it returns an integer.

WARN_PRIORITY: the priority level of the warning message.
This is an After variable and it returns an integer.

ERROR_MESSAGE: the error message generated by the
component when an error occurs. This is an After variable and it returns a string. This
variable functions only if the Die on error check box is
cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable
functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl +
Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio
User Guide.

Usage

Cannot be used as a start component. If an output component is
connected to it, an input component should be preceding it.

Log4j

The activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User
Guide.

For more information on the log4j logging levels, see the Apache documentation at http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Level.html.

Limitation

n/a