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Message from discussion Shutting down Ebean
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Rob Bygrave  
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 More options Nov 17 2009, 5:44 am
From: Rob Bygrave <robin.bygr...@gmail.com>
Date: Tue, 17 Nov 2009 02:44:56 -0800 (PST)
Local: Tues, Nov 17 2009 5:44 am
Subject: Re: Shutting down Ebean
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Ok, I reproduced it and found the problem with Ebean not shutting down
in a timely fashion.

Logged as BUG 176 : Shutdown taking 30 secs or so ... should be
immediate

http://www.avaje.org/bugdetail-176.html

The problem was there is optionally a Timer that is used to warm the
Ebean server cache. That Timer was not a daemon ... so effectively
stopped the JVM from shutting down - hence hanging for 30 secs or so.
The fix was to make the Timer a daemon - I also made the thread names
a bit more meaningful.

Fixed in HEAD.

Cheers, Rob.

On Oct 19, 7:38 pm, Rob Bygrave <robin.bygr...@gmail.com> wrote:

> Hmmm. Well, I wasn't able to reproduce... in that it terminated in about 1
> second or so.

> I wonder if it is specific to a particular JDK/JVM.

> On Mon, Oct 19, 2009 at 7:00 PM, Alex <alxa...@googlemail.com> wrote:

> > Hi

> > > I haven't tried this yet.  The code looks fine ... the line
> > > "serverConfig.addClass(Hello.class);" ... should probably be outside that
> > if
> > > statement (you always register the bean even if you don't run the DDL).
> > ok

> > > You don't (shouldn't) need that explicit call to
> > > ShutdownManager.shutdown();  Ebean registers a shutdown hook ... we
> > should
> > > never need to code that ourselves. I'm pretty sure you added that after
> > you
> > > got this issue.
> > yes, that was the reason why I've added that.

> > > I think we are running different JVM's (Linux, MacOS and I'm using
> > Windows
> > > mostly).

> > > So yeah, I'll give it a go tonight. A ~1min wait/hang at shutdown ...
> > I'll
> > > probably look to use MySql so as to discount H2 background threads from
> > the
> > > issue.
> > great, thanks, alx


 
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