e.printStackTrace() 를 String 으로 변환하기 (printStackTrace to String)

e.printStackTrace() 를 String 으로 변환시 아래 메소드를 사용

public static String getPrintStackTrace(Exception e) {
  StringWriter errors = new StringWriter();
  e.printStackTrace(new PrintWriter(errors));
  return errors.toString();
}

 

샘플소스

import java.io.PrintWriter;
import java.io.StringWriter;

public class PrintStackTraceTest {
  public static void main(String[] args) {
    String errorStr = null;
    try{
      //강제적으로 에러 발생
      int number = Integer.parseInt("a");
    }catch(Exception e){
      //String으로 받음
      errorStr = getPrintStackTrace(e);
    }
  
  System.out.println("======================ERROR======================");
  System.out.println(errorStr);
  System.out.println("======================ERROR======================");

}

public static String getPrintStackTrace(Exception e) {
  StringWriter errors = new StringWriter();
  e.printStackTrace(new PrintWriter(errors));
  return errors.toString();
}
}