我使用Apache的FTPClient将文件上载到FTP服务器。Commons FTPClient - 如果FTP服务器不可用,storeFile()会挂起
但是,即使FTP服务器在我们上传文件时变得不可用,storeFile()挂起。 storeFile()不取消上传。
tcpdump的跟踪:
22:04:29.584767 IP 10.84.78.2> 192.168.114.2:ICMP 10.84.78.2 TCP端口53751不可到达,长度142
有没有一种方法来设置超时?我已经尝试在storeFile()之前的connect()和setDataTimeout()之后使用setSoTimeout()。但是这个属性似乎与这个问题无关。
线程转储,FTP服务器后采取的是不可用:
"Thread-1" prio=10 tid=0x00007f1a700f1800 nid=0x479b runnable [0x00007f1a76fea000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
at java.io.BufferedOutputStream.write(Unknown Source)
- locked <0x00000000bb026df8> (a java.io.BufferedOutputStream)
at org.apache.commons.net.io.ToNetASCIIOutputStream.write(ToNetASCIIOutputStream.java:75)
- locked <0x00000000bb028e20> (a org.apache.commons.net.io.ToNetASCIIOutputStream)
at org.apache.commons.net.io.Util.copyStream(Util.java:111)
at org.apache.commons.net.ftp.FTPClient._storeFile(FTPClient.java:653)
at org.apache.commons.net.ftp.FTPClient.__storeFile(FTPClient.java:624)
at org.apache.commons.net.ftp.FTPClient.storeFile(FTPClient.java:1976)
at ... (FTPClient.java:103)
at ... (Sender.java:67)
netstat的-anpo输出:
netstat的-anpo | grep的192
tcp6 0 0 10.84.78.2:9011 192.168.114.2:21 VERBUNDEN 19310/java aus (0.00/0/0)
tcp6 0 201480 10.84.78.2:33088 192.168.114.2:20 VERBUNDEN 19310/java ein (10,26/2/0)
有关在开始storeFile()方法是什么新线程并在超时时从另一个线程中断它? – MGorgon