Re: SessionScavenger exceptions using 5.1.2

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Re: SessionScavenger exceptions using 5.1.2

Stephen Stevens
Thanks, Greg.

I recently upgraded my servers to 5.1.4, and they are still annoying me 8-).

Regards,

Stephen

Greg Wilkins <gregw <at> mortbay.com> writes:

>
> Steve,
>
> Firstly I'm 99% sure that these are harmless and the worst case is that
> a session may live a bit longer than it should have.
>
> But then I was 99% sure that the code was threadsafe and should not be
> producing these exceptions anyway!!!
>
> I'm not near the code at the moment, but I will get onto this next week
> when I will be doing a 5.1.5rc0 release.
>
> cheers
>
> Stephen Stevens wrote:
> > Hi.
> >
> > We are using Jetty 5.1.2 on our production servers, and I see these
messages
> > in the log at random intervals during the day:
> >
> > 12:57:17,211 WARN  AbstractSessionManager EXCEPTION
> > java.util.ConcurrentModificationException
> > at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782)
> > at java.util.HashMap$ValueIterator.next(HashMap.java:812)
> > at
> >
org.mortbay.jetty.servlet.AbstractSessionManager.scavenge(AbstractSessionMan
> > ager.java:539)
<snip>


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