OnlyOnceErrorHandler (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.logging.util
Class OnlyOnceErrorHandler

java.lang.Object
  org.jboss.logging.util.OnlyOnceErrorHandler

All Implemented Interfaces:: org.apache.log4j.spi.ErrorHandler, org.apache.log4j.spi.OptionHandler

public class OnlyOnceErrorHandler
extends Object
implements org.apache.log4j.spi.ErrorHandler

The OnlyOnceErrorHandler implements log4j's default error handling policy which consists of emitting a message for the first error in an appender and ignoring all following errors.

The error message is printed on the specified print stream.

This policy aims at protecting an otherwise working application from being flooded with error messages when logging fails.

Since:: 0.9.0
Author:: Ceki Gülcü, Adrian Brock (adrian@jboss.org);

Constructor Summary

OnlyOnceErrorHandler()


Method Summary

void activateOptions()
          No options to activate.

void error(String message)
          Print a the error message passed as parameter on System.err.

void error(String message, Exception e, int errorCode)
          Prints the message and the stack trace of the exception on System.err.

void error(String message, Exception e, int errorCode, org.apache.log4j.spi.LoggingEvent event)
          Prints the message and the stack trace of the exception on System.err.

void setAppender(org.apache.log4j.Appender appender)
          Does not do anything.

void setBackupAppender(org.apache.log4j.Appender appender)
          Does not do anything.

void setLogger(org.apache.log4j.Logger logger)
          Does not do anything.

static void setOutput(PrintStream out)


Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail