Preventing Server Timeout on a Socket

I have been questioning my solution to preventing server timeout and was wondering if anyone knows of a better way to do it. I am using a socket to connect to a ftp server which times out the connection after 3 minutes of inactivity. I have tried using the setKeepAlive(true) method for the Socket, but it does not prevent the server from timing me out after 3 minutes of inactivity. I have no idea why it doesn't or what keep alive even means now. My solution was to create a special Thread once the connection is made and have it send a blank command every minute until the Socket is no longer connected to the server. This works fine, but it seems like a workaround rather then a graceful solution. Does anyone have any ideas or input on this? Thank you.

I think that is a good idea. But just one more
question... What does the Socket method
setKeepAlive(true) do (and saying that, "it turns
keep alive on" is not a valid answer... Sun)?There are number of problems with setKeepAlive.
The basic idea is this. It is not so much keeping the socket connection alive as detecting whether it is dead.
But the problems with this are that it is basically a hack. It's not part of TCP and basically as far as I understand sends fake packets to the other side to fool the otherside into retransmitting the last packet.
But it may not work because as stated it's not an official part of TCP and I think the message may well be viewed from the other side as erroneous junk because your side already acknowleged the reciept of the original packet so a request for retransmission would appear to be a request that was old and got hung up somewhere.
Sometimes it works but not very much so.

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Connections dropped, DNS and server timeouts from new Lenovo with 802.11n

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New Airport Extreme, works great with Windows XP
machine ethernetted into it, and also with a MacBook
with wireless-N.
But my brand new Lenovo T60P with wireless-N is
flakey with the Airport. It connects fine with a
100% signal, using the WPA2-PSK / AES setting on the
Lenovo (WPA2 Personal security in 802.11n b/g
compatibility mode on the Airport). Most of the time
it works quite well.
But very frequently (every five minutes?) one of two
things will happen: with the signal still registering
fine in the taskbar (and in the laptop's wireless
"status" utility), it will become unable to locate
any website, including google.com, etc., and
refreshes of currently-displayed websites yield
server timeouts. The browser (firefox) gives a DNS
timeout message. The second thing is just your basic
dropped wireless connection. It will reconnect by
itself after a while.
Any advice is hugely appreciated. It ***** to
"upgrade" to headaches! (Ha! the forum software
doesn't like a synonym for "vaccuums". Apologies to
the nuns at Apple for my potty mouth.)
What you experienced is not a surprise as 802.11n is not a standard yet and each manufacturer has developed it own "pre-n" version. Right now Apple (base station) will work with Apple (notebooks), Dlink (routers) will work with Dlink (PCMCIA cards), etc.
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[Model Nodes] What prevents Server Parts to be assignedthere ?!:?

Hi,
I want to have a separate node to provide a dedicated service,
and therefore when I start my environment server and declared that
node as ModelNode, with 'client' disabled, i still can't assign to it
my server partition.
And if I declare it as regular node, the installation of the application
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Therefore, how to remotely start a node manager ? :-p
j-p
-----Message d'origine-----
De: John Parks [mailto:jparkss1.com]
Date: vendredi 15 septembre 2000 20:07
À: Jean-Paul.Gabriellisema.fr
Cc: 'Forte Users'
Objet: Re: (forte-users) [Model Nodes] What prevents Server Parts to be
assigned there ?!:?
Jean-Paul,
The ModelNode is a client node by definiton, no matter what properties you
change. I've previously asked for an enhancement to allow a
model node to be a
server node, but I don't expect much to happen. To install
server applications
to several nodes, you have to make sure that the node manager on
each node is
active. There really is no built-in support for distributing
applications in
mass to servers like there is for clients (using the model node feature).
Regards,
John Parks
S1 Corporation
Jean-Paul Gabrielli wrote:
Hi,
I want to have a separate node to provide a dedicated service,
and therefore when I start my environment server and declared that
node as ModelNode, with 'client' disabled, i still can't assign to it
my server partition.
And if I declare it as regular node, the installation of the application
failed if the node is not online.
What choice do I have ?
What prevents that ModelNode, client disabled, to host serverpartition ?!,
j-paul gabrielli
sema dts
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email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

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Solved!
Go to Solution.

Nokia's solution to update maps is exclusively using OVI Suite.
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My today's provider will also be punished by seeing me away definitively at the same time. And I will get away as many people as possible from Nokia!!!!!!!!!!!!!!!!!!!!!
I hate this product and this company: They are not concerned by their customers, they are just good at taking the money and run away.
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I hope someone can help.
When trying to publish to the ME gallery a small album of 7 pictures I get a server timeout error. My computer is also not updating new pictures to already published albums and my son is having trouble uploading youtube videos.
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Hi
Its urgent!!
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Error: -5
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Component: ICM
Module: icxxthr_mt.c
Line: 2698
Error Tag: {-}
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Edited by: Sasha on Feb 17, 2008 8:35 AM

Hi Sasha,
While i am running the web reports with huge sets of data i am getting the error like below. Could you please help me out on this issue.
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Any advice as to why I'm getting Email Server Timeouts for my 2 email accounts (ports 993 & 110)?

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The Motorola Droid Razr has a camera that sets up the shot to take a quality picture so its not in an instant. My wife also doesn't like that feature but I believe in the settings you can disable some of those functions. You have to read the owners manual for optimal settings.
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Hi,
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..\BusinessObjects Enterprise 11.5\Data\ServerName\
ServerName.Web_IntelligenceReportServer\sessions\SessionID\
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HKEY_LOCAL_MACHINE\SOFTWARE\Business Objects\Suite
11.5\default\WebIntelligence\Server\Admin\SwapTimeOut
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Thanks,
Madhu.

Re: What is the relationship between the JTA Server Timeout and

Two things. The transaction timeout is set when the transaction starts. When are you setting the timeout, and where are you starting the transaction?
          There is a bug in 6.0 SP1. The EJB subsystem always sets the transaction timeout. If you don't specify anything in your descriptor. It sets the timeout to 30 seconds. However, if you
          change the JTA default to 60 seconds, the EJB container won't see this change. This is fixed in our next minor release.
          -- Rob
          Tom Gerber wrote:
          > What is the relationship between the JTA Server Timeout and an EJB's <transcation-timeout-seconds> parameter?
          >
          > Does the EJB's timeout have to be >= the servers to take effect?
          >
          > We tried setting the timeout in the XML file to 60 seconds but the transaction still timed out after 30 seconds or so which makes me believe the server timeout overrides the EJB's timeout.
          >
          > Is this correct behavior?
          >
          > We are on WL 6.0 sp1
          >
          > Thanks
          >
          > Tom


Sorry, you cannot query for known bugs yet.
          Work is in progress :)
          Kumar
          Tom Gerber wrote:
          > Is there a place on the WebSupport site for WebLogic that I can query
          > for know issues for WL 6 sp1?
          >
          > I tried the Find Solutions but didn't find much.
          >
          > Thanks
          >
          > Rob Woollen wrote:
          >
          > > Two things. The transaction timeout is set when the transaction starts. When are you setting the timeout, and where are you starting the transaction?
          > >
          > > There is a bug in 6.0 SP1. The EJB subsystem always sets the transaction timeout. If you don't specify anything in your descriptor. It sets the timeout to 30 seconds. However, if you
          > > change the JTA default to 60 seconds, the EJB container won't see this change. This is fixed in our next minor release.
          > >
          > > -- Rob
          > >
          > > Tom Gerber wrote:
          > >
          > >> What is the relationship between the JTA Server Timeout and an EJB's <transcation-timeout-seconds> parameter?
          > >>
          > >> Does the EJB's timeout have to be >= the servers to take effect?
          > >>
          > >> We tried setting the timeout in the XML file to 60 seconds but the transaction still timed out after 30 seconds or so which makes me believe the server timeout overrides the EJB's timeout.
          > >>
          > >> Is this correct behavior?
          > >>
          > >> We are on WL 6.0 sp1
          > >>
          > >> Thanks
          > >>
          > >> Tom
          > >

Preventing Server Timeout on a Socket

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