• APPENDER_ACTIVATE_MISSING_FILE_ERROR : Log4Qt
• APPENDER_ACTIVATE_MISSING_LAYOUT_ERROR : Log4Qt
• APPENDER_ACTIVATE_MISSING_WRITER_ERROR : Log4Qt
• APPENDER_CLOSED_ERROR : Log4Qt
• APPENDER_INVALID_PATTERN_ERROR : Log4Qt
• APPENDER_NO_OPEN_FILE_ERROR : Log4Qt
• APPENDER_NOT_ACTIVATED_ERROR : Log4Qt
• APPENDER_OPENING_FILE_ERROR : Log4Qt
• APPENDER_REMOVE_FILE_ERROR : Log4Qt
• APPENDER_RENAMING_FILE_ERROR : Log4Qt
• APPENDER_USE_INVALID_PATTERN_ERROR : Log4Qt
• APPENDER_USE_MISSING_LAYOUT_ERROR : Log4Qt
• APPENDER_USE_MISSING_WRITER_ERROR : Log4Qt
• APPENDER_WRITING_FILE_ERROR : Log4Qt
• CONFIGURATOR_INVALID_OPTION_ERROR : Log4Qt
• CONFIGURATOR_INVALID_SUBSTITUTION_ERROR : Log4Qt
• CONFIGURATOR_MISSING_APPENDER_ERROR : Log4Qt
• CONFIGURATOR_MISSING_LAYOUT_ERROR : Log4Qt
• CONFIGURATOR_OPENING_FILE_ERROR : Log4Qt
• CONFIGURATOR_PROPERTY_ERROR : Log4Qt
• CONFIGURATOR_READING_FILE_ERROR : Log4Qt
• CONFIGURATOR_UNKNOWN_APPENDER_CLASS_ERROR : Log4Qt
• CONFIGURATOR_UNKNOWN_LAYOUT_CLASS_ERROR : Log4Qt
• CONFIGURATOR_UNKNOWN_TYPE_ERROR : Log4Qt
• LAYOUT_EXPECTED_DIGIT_ERROR : Log4Qt
• LAYOUT_INTEGER_IS_NOT_POSITIVE_ERROR : Log4Qt
• LAYOUT_OPTION_IS_NOT_INTEGER_ERROR : Log4Qt
• LEVEL_INVALID_LEVEL_STRING : Log4Qt
• LOGGER_INVALID_LEVEL_FOR_ROOT : Log4Qt
• OK : Log4Qt