Interface for attaching appenders to objects.
Implemented by classes capable of configuring log4j using a URL.
This interface defines commonly encoutered error codes.
Appenders may delegate their error handling to
Listen to events occuring within a
Implement this interface to create new instances of Logger or a sub-class of Logger.
A string based interface to configure package components.
Implemented by classes that render instances of java.lang.Throwable (exceptions and errors) into a string representation.
Implemented by logger repositories that support configurable rendering of Throwables.
Implementions of this interface allow certain appenders to decide when to perform an appender specific action.
Users should extend this class to implement customized logging event filtering.
The internal representation of caller location information.
Our LoggingEvent class which is designed to look and act just like log4j's, but which maintains an internal
No-operation implementation of Logger used by NOPLoggerRepository.
No-operation implementation of LoggerRepository which is used when LogManager.repositorySelector is erroneously nulled during class reloading.
RootLogger sits at the top of the logger hierachy.
ThrowableInformation is log4j's internal representation of throwables.
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