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InstantDB: Re: InstantDB & RmiJdbc


Michael

> We're experiencing a problem using a combination of InstantDB and RmiJdbc.
> After sometime the database becomes unresponsive.  This can occur when the
> system sits idle or when there is heavy use of the system.  To fix the
> problem, we have to shut the database (RmiJdbc) down and restart it.

RmiJdbc is a relatively simple program with no active components (i.e. it
only does things when it's told to). I wonder if a network connection could
time out when idle?

> I'm contacting you to see if you have ever had anyone mention similar
> problems.

I think I have heard of this happening before. I hope you don't mind, but
I've posted this response to the instantdb news group. Maybe someone else
out there can offer some more helpful suggestions.

Regards

Pete

--

Peter Hearty                         peter.hearty@lutris.com
Lutris Technologies (UK)        http://www.lutris.com
----- Original Message -----
From: "Michael Connick" <mpconnick@denaliproject.com>
To: <peter.hearty@lutris.com>
Sent: Tuesday, September 19, 2000 9:03 PM
Subject: InstantDB & RmiJdbc


>
> Peter:
>
> We're experiencing a problem using a combination of InstantDB and RmiJdbc.
> After sometime the database becomes unresponsive.  This can occur when the
> system sits idle or when there is heavy use of the system.  To fix the
> problem, we have to shut the database (RmiJdbc) down and restart it.
>
> We have also been using InstantDB directly in our standalone product, and
> have experienced no problems there.  This makes me think RmiJdbc is the
> problem.
>
> The problem occurs on a number of different server platforms (Windows NT,
> Linux, Novell).  I've managed to rule out:
>
> - platform
> - excessive memory usage
> - JDK/JRE version or vendor
>
> This leads me to believe there might be something related to either
RmiJdbc
> and threads or RmiJdbc causing a database lock of some sort to occur.
>
> I'm contacting you to see if you have ever had anyone mention similar
> problems.
>
> --
> Michael Connick
> The Denali Project, L.L.C.
> mpconnick@denaliproject.com
> 1-877-347-1629 ext. 218
> 1-517-347-1629 (fax)
> www.denaliproject.com
>
>
>

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