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TCP KeepAlive in Scout Client [message #990379]

Wed, 12 December 2012 03:49

Eclipse User

Hi

We are using Scout clients within following network topology:
Client <-> Firewall <-> Application Server (tomcat 6).

We have some imports that are taking quite a while. During those imports the network connection between client and server stays open.

Now we have the case that the firewall between client and server is dropping the network connection after one hour.

Besides eliminating long client side operations (long term strategy), I would like to enable "TCP keep alive" on the client.

What is the best/simplest way to do this (I am looking for keep alive without reusage of existing tcp sessions)?

Thx for your help.
Christian

Re: TCP KeepAlive in Scout Client [message #991310 is a reply to message #990379]

Tue, 18 December 2012 08:28

Eclipse User

I do not have a solution, but perhaps this forum thread [1] could help you.
It seems to be more an operating system related issue than a Java/Eclipse Scout issue.

As for Eclipse Scout, I would prefer your "long term strategy".
Create a server job [2] that is started by the client.
Use client notfication [3] to notify the client about the end of the job.

Then you do not have any problems with time outs and the users can continue to use the Scout client while the server job is running (the client is not blocked).

Adrian

[1] Oracle Forum
[2] ServerJob
[3] Client Notification

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