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warn
Last update:
May 18, 2026
Description
Writes a log entry with a warning severity to the ColdFusion logger. The entry includes the severity, thread ID, date, time, and a text message.
Category
Event Gateway Development
Syntax
warn(String message) warn(Throwable th) warn(String message, Throwable th) |
See also
Parameters
| Parameter | Description |
message | The message to include in the log entry. |
th | A throwable object, normally an exception. ColdFusion logs the exception information in the exception.log file in the ColdFusion logs directory. |
Usage
Use this method to send a warning message to the ColdFusion logging subsystem. ColdFusion writes messages with a severity of "warning" to the log file specified in the getLogger method that returned the Logger instance (or the default log file).
Example
The ColdFusion example SocketWatcherGateway class includes the following code in its constructor to load a configuration file. If it cannot load the file, it converts the exception information to a string and logs a warning that includes the gateway ID, and the exception information. It also passes the exception to the warn method
propsFilePath=configpath; try { FileInputStream propsFile = new FileInputStream(propsFilePath); properties.load(propsFile); propsFile.close(); this.loadProperties(); } catch (IOException e) { // do nothing. use default value for port. log.warn("SocketGateway(" + gatewayID + ") Unable to read configuration file " + propsFilePath + ": " + e.ToString() + ".Using default port.", e); } |
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