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[SAP EAI] FTP Error - FTPEx: 425 Unexpected reply codeCan't open data connection.

Error Message FTPEx: 425 Unexpected reply codeCan't open data connection. An error occurred while connecting to the FTP server abc.com:21. The FTP server returned the following error message: 'com.sap.aii.adapter.file.ftp.FTPEx: 425 Cannot open data connection.'. For details, contact your FTP server vendor. Cause FTP 425 에러는 FTP 서버에 접근하려는 클라이언트와 서버 사이의 데이터 채널이 닫혀 있거나 연결을 할 수 없음을 의미합니다. Solution ..

[Java] File Input / Output 입출력 Code

File 입출력 코드 import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.OutputStream; public class File_In_Out_EX { public static void main(String[] args) { FileInOut FileIO = new FileInOut(); FileIO.File_Output(); FileIO.File_Input(); } } class FileInOut { // File 내보내기 void File_Output() { try ..