原文:FTP response 421 received. Server closed connection

現象: 在springboot的定時器輪詢去下載ftp文件時,報以下錯誤: org.apache.commons.net.ftp.FTPConnectionClosedException: FTP response received. Server closed connection. at org.apache.commons.net.ftp.FTP. getReply FTP.java: at ...

2018-09-07 17:25 0 15932 推薦指數:

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500 OOPS: vsftpd: refusing to run with writable root inside chroot() Login failed. 421 Service not available, remote server has closed connection

該錯誤是由於從2.3.5之后,vsftpd增強了安全檢查,如果用戶被限定在了其主目錄下,則該用戶的主目錄不能再具有寫權限了!如果檢查發現還有寫權限,就會報該錯誤。 當我們限定了用戶不能跳出其主目錄之后,使用該用戶登錄FTP時往往會遇到這個錯誤: 要修復這個錯誤,有兩個辦法 ...

Tue Sep 10 21:23:00 CST 2019 0 629
Connection closed before full header was received

Flutter的Dio報錯: Connection closed before full header was received 可以檢查一下是不是端口有問題。 同事把端口設置為1433,就報告這個錯誤。換個端口就好了。 1433是SqlServer的端口,因此有是可能APP連接 ...

Fri Apr 24 17:38:00 CST 2020 0 1268
 
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