} else { int length = exceptionClassName.length() + message.length() + 2; return new StringBuffer(length).append(exceptionClassName).append(": ").append(message).toString();
	public String toString() {		if (message == null) {			return exceptionClassName;		} else {			int length = exceptionClassName.length() + message.length() + 2;			return new StringBuffer(length).append(exceptionClassName).append(": ").append(message).toString(); //$NON-NLS-1$		}	}