Default configuration for log4j backend.
Default configuration for log4j backend. Appends to the console with a
simple layout at INFO level.
Configure with the specified configuration.
Configure with the specified configuration. config must contain a valid
XML document.
Configure with simple defaults.
Configure with simple defaults. See defaultProps.
Configure with the contents of the file at the specified url (either
.xml or .properties).
Configuration helpers for the log4j logging backend.