Object converter = converterIter.next();
if (converter instanceof LoggingEventPatternConverter) {
patternConverters[i] = (LoggingEventPatternConverter) converter;
chainHandlesThrowable |= patternConverters[i].handlesThrowable();
} else {
patternConverters[i] = new LiteralPatternConverter("");
}
if (fieldIter.hasNext()) {
patternFields[i] = (FormattingInfo) fieldIter.next();
} else {
patternFields[i] = FormattingInfo.getDefault();