Package org.apache.log4j.varia
Class FallbackErrorHandler
- java.lang.Object
-
- org.apache.log4j.varia.FallbackErrorHandler
-
- All Implemented Interfaces:
ErrorHandler
public class FallbackErrorHandler extends java.lang.Object implements ErrorHandler
An ErrorHandler with a secondary appender. This secondary appender takes over if the primary appender fails for whatever reason.The error message is printed on
System.err
, and logged in the new secondary appender.
-
-
Constructor Summary
Constructors Constructor Description FallbackErrorHandler()
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
activateOptions()
No options to activate.void
error(java.lang.String message)
Print a the error message passed as parameter onSystem.err
.void
error(java.lang.String message, java.lang.Exception e, int errorCode)
Prints the message and the stack trace of the exception onSystem.err
.void
error(java.lang.String message, java.lang.Exception e, int errorCode, LoggingEvent event)
Prints the message and the stack trace of the exception onSystem.err
.void
setAppender(Appender primary)
The appender to which this error handler is attached.void
setBackupAppender(Appender backup)
Set the backup appender.void
setLogger(Logger logger)
Adds the logger passed as parameter to the list of loggers that we need to search for in case of appender failure.
-
-
-
Method Detail
-
activateOptions
public void activateOptions()
No options to activate.
-
error
public void error(java.lang.String message)
Print a the error message passed as parameter onSystem.err
.- Specified by:
error
in interfaceErrorHandler
- Parameters:
message
- The message associated with the error.
-
error
public void error(java.lang.String message, java.lang.Exception e, int errorCode)
Prints the message and the stack trace of the exception onSystem.err
.- Specified by:
error
in interfaceErrorHandler
- Parameters:
message
- The message associated with the error.e
- The Exception that was thrown when the error occurred.errorCode
- The error code associated with the error.
-
error
public void error(java.lang.String message, java.lang.Exception e, int errorCode, LoggingEvent event)
Prints the message and the stack trace of the exception onSystem.err
.- Specified by:
error
in interfaceErrorHandler
- Parameters:
message
- The message associated with the error.e
- The Exception that was thrown when the error occurred.errorCode
- The error code associated with the error.event
- The logging event that the failing appender is asked to log.
-
setAppender
public void setAppender(Appender primary)
The appender to which this error handler is attached.- Specified by:
setAppender
in interfaceErrorHandler
- Parameters:
primary
- The appender
-
setBackupAppender
public void setBackupAppender(Appender backup)
Set the backup appender.- Specified by:
setBackupAppender
in interfaceErrorHandler
- Parameters:
backup
- The backup appender
-
setLogger
public void setLogger(Logger logger)
Adds the logger passed as parameter to the list of loggers that we need to search for in case of appender failure.- Specified by:
setLogger
in interfaceErrorHandler
- Parameters:
logger
- One of the loggers that will be searched for the failing appender in view of replacement.
-
-