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Ftp Error 421 No Transfer Timeout

i wonder if ftputil works fine with ftp server that limit the number of concurrent connections? If not, I will do what you suggest - just disconnect and add a message to the log. On the other hand, I can't completely hide that ftputil uses additional FTP connections behind the scenes (see ​leaky abstraction). I'm not comfortable with the first approach because it might cause existing ftputil client code to (subtly) fail that used to work. Source

That said, changing APIs isn't taboo, but there were already some significant changes from ftputil 2.8 to 3.0, and I wouldn't want to change more now unless to fix a "real" My problem with upload_exception is not that it wouldn't work but that it might be costly if the directory has lots of directories or files in it. If that happens, there's probably something wrong in my experience. ;-/ By the way, this reminds me of the support for hidden files (see tickets #23 and #65). SOLVED Go to Solution Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Subscribe Printer Friendly Page Narendra Uttekar https://forum.filezilla-project.org/viewtopic.php?t=26734

Is this a bug?Let me remind you that this problem seems to be very intermittent. All you can to is checking the firewalls/routers under your control. FTP client/server communication just doesn't work this way. if it fails to reopen the connection we have a real problem (= exception), otherwise we have a short delay.

http://hg.netbeans.org/web-main/rev/a4a6221987a2 Comment 5 Tomas Mysik 2012-03-29 13:44:07 UTC *** Bug 207465 has been marked as a duplicate of this bug. *** Comment 6 Tomas Mysik 2012-03-29 13:57:13 UTC Minor improvement added. comment:5 in reply to: ↑ 4 Changed 2 years ago by schwa Replying to ftputiluser: upload_exception function and multiple connections sorry, i did not explain my idea very well. After connecting to FTP with APF disabled, there have been no connection interruptions. The FTPHost instance needs one connection, and each opened remote file needs one more connection.

Register Now, or check out the Site Tour and find out everything Web Hosting Talk has to offer. STOR Lot.php.new 150 Opening BINARY mode data connection for Lot.php.new 226 Transfer complete RNFR Lot.php.new 350 File or directory exists, ready for destination name RNTO Lot.php 250 Rename successful PASV 227 I've configured my router and firewall properly and ftptest.net indicates the router/firewall are indeed configured properly. additional hints I guess you see the similarity. :-) ps: the leaky abstraction was a interesting read, thanks!

Again, I think it doesn't reduce the complexity compared with having the client code re-establish a connection itself. By using this site, you accept the Terms of Use and Rules of Participation. End of content United StatesHewlett Packard Enterprise International CorporateCorporateAccessibilityCareersContact UsCorporate ResponsibilityEventsHewlett Packard LabsInvestor RelationsLeadershipNewsroomSitemapPartnersPartnersFind a PartnerPartner Advertisement Web Hosting News Google, IBM, Others Pitch Open Standard for Cloud Server Design Tech Enforcement At Risk If AT&T Ruling Stands, U.S. Any action (including NOOP) will reset this counter.3.

The disconnection happening 1 second after the PASV is only coincidence, when the No-Transfer counter is zero, FileZilla will disconnect, no matter what else is happening at that time.If you set https://netbeans.org/bugzilla/show_bug.cgi?id=233485 but there is still the connection state problem. comment:2 follow-up: ↓ 3 Changed 2 years ago by ftputiluser i will implement the workaround in my application, so my personal problem is solved. did not think about the connection state.

Maybe it's just not clear how ftputil works - every open remote file requires another FTP connection because of the way FTP works. this contact form You may or may not be able to stick to port mode in your ftp client, if you can choose one single port to do all connections with, make sure you i think the time to debug this issue would have been sorter if the 'Implementation notes' of class FTPHost would be written to the documentation. http://worldipv6launch.org### END SIGNATURE BLOCK ### Top Profile Reply with quote mcjathan Post subject: Re: FileZilla Server Error: "421 No-transfer-time exceeded"PostPosted: 2012-10-04 21:16 Offline 500 Syntax error Joined: 2012-09-19 20:59

Knowledgebase Portal Home Knowledgebase Categories Billing & Payments 13 CGI, Perl, Qmail 6 Control Panel Help 7 Domain Registration & DNS 10 E-Mail Services 11 Or there is some problem on Vendor's FTP server. I haven't found a way to provide keep-alive functionality for the open remote file connections. have a peek here This is definitely a problem and I'm currently working with the app author to get this corrected.However, the second possible problem I'm seeing is the FTP / communication errors themselves.

Good. :-) first thought i had the exactly same thought about the parameter for keep_alive. a third idea why not simple reopen the connection? Within proftpd's config file it's set at: TimeoutLogin 120 TimeoutIdle 3600 TimeoutNoTransfer 3600 TimeoutStalled 3600 So I am unsure where it is getting the "300 seconds" from.

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Send feedback! Support My Support Tickets Announcements Knowledgebase Downloads Network Status Open Ticket Copyright © 2016 NetspaceOnline.net. Also, when doing a transfer does it even start it or does it get like half way through only to time out? But I will try to look at it.

thank you very muchSairamTue Jun 21, 2011 Can you send me the instructions as well. Ok, in theory, keep_alive could start a thread and get the current directory from time to time. Thanks It can only be attributable to human error. Check This Out In hindsight I wonder if adding keep_alive was a good idea after all since the feature is bound to cause subtle problems, at least in special cases.

NetBeans shows Warning window with Error message (see screenshot). For more information, seeKB: How To keep a connection open Keywordskeep alive, connection, timeout Related Articles How To keep a connection open What do you think about this topic? http://worldipv6launch.org### END SIGNATURE BLOCK ### Top Profile Reply with quote mcjathan Post subject: Re: FileZilla Server Error: "421 No-transfer-time exceeded"PostPosted: 2012-10-08 17:44 Offline 500 Syntax error Joined: 2012-09-19 20:59 Hence I mark the ticket as "wontfix".

Yes as a NetspaceOnline.net client, if you wish to allow those users you have given email... If this happens too often your connection may break or stall. If this works, modify the apf config file. Yes, that is what I wrote in bug description.

Is that failure rate a normal, typical network failure rate that one would expect to see between an FTP client and server? You will NOT get any reply!!!FTP connection problems?