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https://issues.apache.org/jira/browse/FTPSERVER-339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12993488#comment-12993488
]
Aniceto Pérez y Madrid commented on FTPSERVER-339:
--------------------------------------------------
I'm experiencing this error from time to time. In some cases the issue can be
reproduced. And it's very annoying not to trust a ftp server
[ WARN] 2011-02-11 13:50:25,883 [xxxxx] [88.15.84.116] EXCEPTION :
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:233)
at sun.nio.ch.IOUtil.read(IOUtil.java:206)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:236)
at
org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:202)
at
org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:42)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:620)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
[ERROR] 2011-02-11 13:50:25,884 [xxxxxx] [88.15.84.116] Exception caught,
closing session
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:233)
at sun.nio.ch.IOUtil.read(IOUtil.java:206)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:236)
at
org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:202)
at
org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:42)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:620)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
[ INFO] 2011-02-11 13:50:25,884 [gest_docs] [88.15.84.116] CLOSED
> Commands Dropped After Successful File Upload
> ---------------------------------------------
>
> Key: FTPSERVER-339
> URL: https://issues.apache.org/jira/browse/FTPSERVER-339
> Project: FtpServer
> Issue Type: Bug
> Affects Versions: 1.0.3
> Reporter: Nick Padgett
> Assignee: Niklas Gustavsson
> Priority: Critical
> Fix For: 1.0.6, 1.1.0
>
>
> After my ftp client successfully uploads a file, it sends a QUIT request.
> This QUIT request doesn't always appear to be logged by the FtpServer which
> results in the connection idling and the FtpServer subsequently closes the
> connection. We experience this issue often when uploading large files (2+GB)
> or multiple medium size files (~1 GB). When the QUIT is received before the
> FtpServer issues a 226 transfer complete message, the server sends a 226
> transfer complete message , the a 221 goodbye message before closing the
> connection. When the QUIT is received after the FtpServer issues a 226
> transfer complete message, sometimes the QUIT is processed on the existing
> thread and sometimes it is processed on a new thread. In either case, the
> server sends a 221 goodbye message and closed the connection. This leads me
> to believe that a QUIT message could be sent to the server in the time
> between when the first thread is being closed and the second thread is being
> opened. Below are logs from my FtpServer that illustrate all of these
> scenarios.
> This issue occurs very frequently and is resulting in the user believing
> their uploads failed.
> QUIT received before 226 transfer complete sent:
> 2009-11-04 14:32:31,936 [pool-4-thread-8] INFO
> org.apache.ftpserver.command.impl.STOR - File uploaded
> /1024/2009/11/02/7558_7W5oJqfN_event.wmv
> 2009-11-04 14:32:31,937 [pool-4-thread-8] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 150 File status
> okay; about to open data connection.
> 2009-11-04 14:32:32,104 [pool-4-thread-8] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - RECEIVED: QUIT
> 2009-11-04 14:32:32,104 [pool-4-thread-8] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 226 Transfer
> complete.
> 2009-11-04 14:32:32,105 [pool-4-thread-8] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 221 Goodbye.
> 2009-11-04 14:32:32,105 [pool-4-thread-8] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - CLOSED
> QUIT received after 226 transfer complete sent on the same thread:
> 2009-11-03 19:25:23,958 [pool-4-thread-697] INFO
> org.apache.ftpserver.command.impl.STOR - File uploaded
> /1017/2009/10/09/7235_xVJpQ8tT_event.wmv
> 2009-11-03 19:25:23,958 [pool-4-thread-697] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 150 File status
> okay; about to open data connection.
> 2009-11-03 19:25:23,968 [pool-4-thread-697] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 226 Transfer
> complete.
> 2009-11-03 19:25:23,991 [pool-4-thread-697] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - RECEIVED: QUIT
> 2009-11-03 19:25:23,992 [pool-4-thread-697] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 221 Goodbye.
> 2009-11-03 19:25:23,992 [pool-4-thread-697] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - CLOSED
> QUIT received after the 226 transfer complete sent on a new thread:
> 2009-11-03 04:43:16,551 [pool-4-thread-662] INFO
> org.apache.ftpserver.command.impl.STOR - File uploaded
> /1030/2009/11/02/7580_GxDwum7M_event.wmv
> 2009-11-03 04:43:16,552 [pool-4-thread-662] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 150 File status
> okay; about to open data connection.
> 2009-11-03 04:43:16,552 [pool-4-thread-662] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 226 Transfer
> complete.
> 2009-11-03 04:43:16,595 [pool-4-thread-667] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - RECEIVED: QUIT
> 2009-11-03 04:43:16,598 [pool-4-thread-667] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 221 Goodbye.
> 2009-11-03 04:43:16,598 [pool-4-thread-667] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - CLOSED
> QUIT NOT received because the FtpServer is between threads:
> 2009-11-04 02:05:18,328 [pool-4-thread-16] INFO
> org.apache.ftpserver.command.impl.STOR - File uploaded
> /1051/2008/11/15/7400_NHftLRzu_event.mp4
> 2009-11-04 02:05:18,329 [pool-4-thread-16] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 150 File status
> okay; about to open data connection.
> 2009-11-04 02:05:18,397 [pool-4-thread-16] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 226 Transfer
> complete.
> 2009-11-04 02:08:18,394 [pool-4-thread-106] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - IDLE
> 2009-11-04 02:08:18,394 [pool-4-thread-106] INFO
> org.apache.ftpserver.impl.DefaultFtpHandler - Session idle, closing
> 2009-11-04 02:08:18,395 [pool-4-thread-106] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - CLOSED
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