자바 예외 String으로 저장

예외 String 객체로 변환
public static String printStackTraceToString(Throwable e) { StringBuffer sb = new StringBuffer(); try { sb.append(e.toString()); sb.append("\n"); StackTraceElement element[] = e.getStackTrace(); for (int idx = 0; idx < element.length; idx++) { sb.append("\tat "); sb.append(element[idx].toString()); sb.append("\n"); } } catch (Exception ex) { return e.toString(); } return sb.toString(); }