[NET-692] apache commons net 关于 FTPS的功能bug

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.7
• Component/s: FTP
• Assignee: Unassigned
• Reporter: zheng qin
• Created: 23/Oct/20 05:49
• Updated: 23/Oct/20 18:39

Description

LiteCA通过apache commons net开源软件，通过FTPS协议对接FTP服务器失败，异常堆栈打印如下：

javax.net.ssl.SSLException: Unsupported or unrecognized SSL message
at java.base/sun.security.ssl.SSLSocketInputRecord.handleUnknownRecord(Unknown Source)
at java.base/sun.security.ssl.SSLSocketInputRecord.decode(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at org.apache.commons.net.ftp.FTPSClient.openDataConnection(FTPSClient.java:642)
at org.apache.commons.net.ftp.FTPClient._retrieveFile(FTPClient.java:1907)
at org.apache.commons.net.ftp.FTPClient.retrieveFile(FTPClient.java:1893)