Java 保存Exception信息

import java.io.PrintWriter;
import java.io.StringWriter;
public class ExceptionUtils {
    /**
     * 获取异常详细信息
     */
    public static String getExceptionMsg(Exception e){
        String msg = null;
        try {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw,true);
            e.printStackTrace(pw);
            pw.flush();
            sw.flush();
            msg = sw.toString();
            pw.close();
            sw.close();
        }catch (Exception error){
            error.printStackTrace();
        }
        return msg;
    }
}