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From David Latorre <dvl...@gmail.com>
Subject Re: Is there a way to access the FtpSession.lastReply in the handleOnClose() call?
Date Mon, 14 Feb 2011 09:44:26 GMT
Hello Toli,

 why don't you set your ftpet to be run after STOR (and STOU...)
command? In the old way  this was the method onUploadEnd().


2011/2/12 Toli Kuznets <tkuznets@marinsoftware.com>:
> Hi,
>
> I have a custom FtpLet and I wan to kick off a job on file upload, so
> i override the handleOnClose() call.
>
> I'm running into a situation where when my users use SSIS (scary
> Microsoft product) to send files over FTP, they are not able to
> establish a data connection to my server (separate problem), there's
> an internal exception in STOR.execute() but I still get a callback in
> onHandleClose()
>
> However, when I get the callback, it's impossible for me to tell the
> difference between a "successful" upload or a callback after an
> exception when there was no physical file placed on disk.
>
> Looking in the debugger, I notice that the incoming FtpSession is
> actually a DefaultFtpSession that has an FtpIoSession that has a
> getLatReply() method that can return me something useful
> (REPLY_425_CANT_OPEN_DATA_CONNECTION in my case).
> However, getting to lastReply is not exposed.
>
> is there a better way to tell if handleOnClose() is being called on
> success or failure? How can i tell those 2 situations apart?
>
> My server is setup with all defaults for connections - in this case,
> the connection is coming in as ACTIVE and for some reason i get an
> exception when opening data connection, so i want to catch that case
> and not kick of an event in handleOnClose()
>
> This is on FtpServer-1.0.5, and the relevant stacktrace from the call
> to handleOnClose() after the failed open of data connection is:
>        at com.marin.plugin.ftpserver.FileUploadNotifierFtplet.onUploadEnd(FileUploadNotifierFtplet.java:70)
>        at org.apache.ftpserver.ftplet.DefaultFtplet.afterCommand(DefaultFtplet.java:89)
>        at org.apache.ftpserver.ftpletcontainer.impl.DefaultFtpletContainer.afterCommand(DefaultFtpletContainer.java:144)
>        at org.apache.ftpserver.impl.DefaultFtpHandler.messageReceived(DefaultFtpHandler.java:220)
>
> The "unable to open data connection" is below if it helps:
> 11 Feb 2011 16:15:30,977 DEBUG [pool-5-thread-1]
> nativefs.impl.NativeFtpFile (NativeFtpFile.java:212) - Checking if
> file exists
> 11 Feb 2011 16:15:30,977 DEBUG [pool-5-thread-1]
> nativefs.impl.NativeFtpFile (NativeFtpFile.java:218) - Authorized
> 11 Feb 2011 16:16:45,931 DEBUG [pool-5-thread-1] command.impl.STOR
> (STOR.java:134) - Exception getting the input data stream
> java.net.ConnectException: Operation timed out
>        at java.net.PlainSocketImpl.socketConnect(Native Method)
>        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432)
>        at java.net.Socket.connect(Socket.java:529)
>        at java.net.Socket.connect(Socket.java:478)
>        at org.apache.ftpserver.impl.IODataConnectionFactory.createDataSocket(IODataConnectionFactory.java:314)
>        at org.apache.ftpserver.impl.IODataConnectionFactory.openConnection(IODataConnectionFactory.java:259)
>        at org.apache.ftpserver.command.impl.STOR.execute(STOR.java:132)
>        at org.apache.ftpserver.impl.DefaultFtpHandler.messageReceived(DefaultFtpHandler.java:210)
>
> This is very reproducible, so i can provide any other information that
> may be helpful.
>
> I'm seeing similar behaviour directly from Windows FTP command-line shell.
>
> all other use cases (from Mac, from Windows FileZilla, etc work just fine)
>
> thanks!
>

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