Re: [jetty-users] File session store: Unwriteable session

[Jan Bartel <janb@xxxxxxxxxxx>]

Hi Mark,

The jetty doco shows you how to correctly set up a DefaultSessionIdManager in code:  https://www.eclipse.org/jetty/documentation/jetty-10/programming-guide/index.html#pg-server-session-architecture

I think what is happening is that your code is creating the DefaultSessionIdManager, but not adding it to the Server with the setSessionIdManager call, and thus it is not being started - it is in startup that it works out what it's unique nodeid is, which is null in your stacktrace.

If you don't want to do any explicit setup of the DefaultSessionIdManager, you don't even have to create one yourself: the SessionHandler will create one on startup (if it can't find one via the Server instance).

I might add a log warning or exception if a non-initialized DefaultSessionIdManager is used, to make the problem more obvious.

cheers

Jan

On Sun, 14 Aug 2022 at 20:49, Mark Raynsford via jetty-users <jetty-users@xxxxxxxxxxx> wrote:

Hello!

I'm running into what I think is an easily reproducible bug:

https://github.com/io7m/jetty-bug-20220814

Can anyone else confirm this happens to them? This effectively makes
the FileSessionStore unusable here, because it fails to do the one
thing it's intended to do (allow sessions to survive server restarts).

To reproduce, just run:

https://github.com/io7m/jetty-bug-20220814/blob/master/src/main/java/com/io7m/jettybug/Main.java

... and try the sequence given in the `README.md` images.

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Mark Raynsford | https://www.io7m.com

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Jan Bartel <janb@xxxxxxxxxxx>

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