container/spi/src/main/java/org/mobicents/slee/container/MobicentsLogFilter.java
public boolean isLoggable(LogRecord record) 
  {

    Logger logger = getLogger(record);

    if (record.getThrown() != null) 
    {
      logWithThrowable(logger, record);
    } 
    else 
    {
      logWithoutThrowable(logger, record);
    }

    return false;
  }
public boolean isLoggable(LogRecord record) 
  {

    Logger logger = getLogger(record);

    if (record.getThrown() != null) 
    {
      logWithThrowable(logger, record);
    } 
    else 
    {
      logWithoutThrowable(logger, record);
    }

    return false;
  }
If the message should be logged, convert the JDK 1.4
LogRecord to a Log4J message.

@return <code>false</code> because JDK 1.4 logging should not happen
if this filter is active.