49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
// exceptions/LoggingExceptions.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// An exception that reports through a Logger
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// {ErrorOutputExpected}
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import java.util.logging.*;
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import java.io.*;
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class LoggingException extends Exception {
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private static Logger logger =
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Logger.getLogger("LoggingException");
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LoggingException() {
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StringWriter trace = new StringWriter();
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printStackTrace(new PrintWriter(trace));
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logger.severe(trace.toString());
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}
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}
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public class LoggingExceptions {
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public static void main(String[] args) {
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try {
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throw new LoggingException();
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} catch(LoggingException e) {
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System.err.println("Caught " + e);
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}
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try {
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throw new LoggingException();
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} catch(LoggingException e) {
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System.err.println("Caught " + e);
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}
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}
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}
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/* Output:
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___[ Error Output ]___
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May 09, 2017 6:07:17 AM LoggingException <init>
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SEVERE: LoggingException
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at
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LoggingExceptions.main(LoggingExceptions.java:20)
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Caught LoggingException
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May 09, 2017 6:07:17 AM LoggingException <init>
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SEVERE: LoggingException
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at
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LoggingExceptions.main(LoggingExceptions.java:25)
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Caught LoggingException
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*/
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