try {
// 可能会报错的东西
} catch (Exception exception){
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
exception.printStackTrace(pw);
// msg就是最后取出来的字符串,可存数据库
String msg = sw.toString();
}

try {
// 可能会报错的东西
} catch (Exception exception){
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
exception.printStackTrace(pw);
// msg就是最后取出来的字符串,可存数据库
String msg = sw.toString();
}