| Class | Description | 
|---|---|
| Loggable | 
 Loggable objects are used when there is a need to collect log entry data without actually
 logging the message until a later time. 
 | 
| LoggingHelper | 
 This class provides utility methods to use the WebLogic Logging. 
 | 
| NonCatalogLogger | 
 This class provides application services for logging error
 messages to the WebLogic Server log. 
 | 
| Severities | 
 This class defines the constants for all the severities used by WLS Logging. 
 | 
| WLLevel | 
 This class enumerates the WebLogic specific logging levels. 
 | 
| WLLogRecord | 
 WebLogic extensions to java.util.logging.LogRecord
 Defines the fields in the log records which are specific to WLS. 
 | 
| Exception | Description | 
|---|---|
| LoggerNotAvailableException | 
 This exception is thrown to indicate that the requested Logger does not
 live on the server process on which this request was invoked. 
 | 
weblogic.logging.