// exceptions/LoggingExceptions.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// An exception that reports through a Logger

// {ErrorOutputExpected}

import java.util.logging.*;

import java.io.*;

class LoggingException extends Exception {

private static Logger logger =

Logger.getLogger("LoggingException");

LoggingException() {

StringWriter trace = new StringWriter();

printStackTrace(new PrintWriter(trace));

logger.severe(trace.toString());

}

}

public class LoggingExceptions {

public static void main(String[] args) {

try {

throw new LoggingException();

} catch(LoggingException e) {

System.err.println("Caught " + e);

}

try {

throw new LoggingException();

} catch(LoggingException e) {

System.err.println("Caught " + e);

}

}

}

/* Output:

___[ Error Output ]___

Jan 24, 2021 8:48:54 AM LoggingException <init>

SEVERE: LoggingException

at

LoggingExceptions.main(LoggingExceptions.java:20)

Caught LoggingException

Jan 24, 2021 8:48:54 AM LoggingException <init>

SEVERE: LoggingException

at

LoggingExceptions.main(LoggingExceptions.java:25)

Caught LoggingException

*/