FS Problems

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BadTaste
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FS Problems

Beitrag von BadTaste »

Hi all,

currently, there are many people that contact me via email or the forum.
Most of you stated that you cannot download the file from the server.

My test implementation as well as two groups were able to download the file, which shows that the system works in general.
If you cannot download the file, either
1.) you get no answer from the server
or
2.) your connection is refused

regarding 1.)
The reason for 1 should in most cases be, that the server tries to send you an answer, but cannot reach you, because you sent a wrong IP address in the header of your messages (e.g., 127.0.0.1 or your local address).
You need to make sure that you send your external IP address.
Furthermore, you need to make sure, that the port given in the header is forwarded to your machine (seems to be impossible inside the University's network).

regarding 2.)
In this case, it seems that the server program has crashed or is not responding.
This is due to the fact that many implementation send wrong messages that cannot be parsed correctly.
Also, some implementations send far too many requests (one time we saw approx. 2.3 MB in 8 sec from one address).

While we cannot solve the first problem, we will try to make the server more robust in order to fix the second one. But as long as there are many implementation that send too many message, this will most probably not work.

We have taken the server offline.
We will make some alterations to it and hopefully have it online again this evening.

Again, please check your implementations in order to make sure that you don't send unnecessary or wrong messages.


greets
benni

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UdoWeber
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Re: FS Problems

Beitrag von UdoWeber »

We have taken the server offline.
Bedeutet die Bonusaufgabe ist verschoben und für heute nichts verloren?!

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BadTaste
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Re: FS Problems

Beitrag von BadTaste »

wir werden schauen, ob wir ihn nachher wieder online stellen.
wenn dann wieder so viele nachrichten gesendet werden, dass der server überlastet wird, werden wir ihn wohl wieder offline nehmen und das ganze verschieben.

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