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LogManager readConfiguration() method in Java with Examples

  • Last Updated : 26 Sep, 2021

The readConfiguration() method of java.util.logging.LogManager is used to read and initialize the default configuration. This method throws IOException and SecurityException if the exception condition occurs, as given below
 

Syntax:  

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public void readConfiguration()
  throws IOException, SecurityException

Parameters: This method does not accepts any parameter.
Return Value: This method does not return anything. It just reads and initializes the logging configuration.
Exceptions: This method throws following exceptions:  

  • IOException: if any IO error occurs while reading the configuration.
  • SecurityException: if a security manager exists while the caller does not have logging permissions.

Below programs illustrate readConfiguration() method: 

Java




// Java program to illustrate
// LogManager readConfiguration() method
 
import java.util.logging.*;
import java.util.*;
 
public class GFG {
 
    public static void main(String[] args)
    {
 
        try {
            // Create LogManager object
            LogManager logManager
                = LogManager.getLogManager();
 
            System.out.println("LogManager: "
                               + logManager);
 
            System.out.println(
                "Reading the configuration "
                + "using readConfiguration() method");
            logManager.readConfiguration();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
Output: 
LogManager: java.util.logging.LogManager@1540e19d 
Reading the configuration using readConfiguration() method 
java.security.AccessControlException: access denied (“java.util.logging.LoggingPermission” “control”) 
 

Reference: https://docs.oracle.com/javase/9/docs/api/java/util/logging/LogManager.html#readConfiguration–
 

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